IS26KS256S-DPBLI00

IS26KS512S/256S/128S IS26KL512S/256S/128S 512Mb/256Mb/128Mb HyperFlash™ Family Non-Volatile Memory DATA SHEET Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 1 IS26KS128S/256S/512S IS26KL128S/256S/512S HyperFlash™ Family Non-Volatile Memory MARCH 2021 IS26KS512S / IS26KL512S 512 Mbit (64 Mbyte) IS26KS256S / IS26KL256S 256 Mbit (32 Mbyte) IS26KS128S / IS26KL128S 128 Mbit (16 Mbyte) CMOS 1.8 Volt or 3.0 Volt Core and I/O Features „ 9,2EXVVLJQDOV ± 6LQJOHHQGHGFORFN „ 9,2EXVVLJQDOV ± 'LIIHUHQWLDOFORFN&.&. „ &KLS6HOHFW&6 „ ELWGDWDEXV'4>@ „ 5HDG:ULWH'DWD6WUREH5:'6 ± +\SHU)ODVKŒPHPRULHVXVH5:'6RQO\DVD5HDG'DWD 6WUREH „ 8SWR0%VVXVWDLQHGUHDGWKURXJKSXW „ 'RXEOH'DWD5DWH''5±WZRGDWDWUDQVIHUVSHUFORFN „ 0+]FORFNUDWH 0%VDW99&& „ 0+]FORFNUDWH 0%VDW99&& „ QVLQLWLDOUDQGRPUHDGDFFHVVWLPH ± ,QLWLDOUDQGRPDFFHVVUHDGODWHQF\WRFORFNF\FOHV „ 6HTXHQWLDOEXUVWWUDQVDFWLRQV „ &RQILJXUDEOH%XUVW&KDUDFWHULVWLFV ± :UDSSHGEXUVWOHQJWKV ± E\WHVFORFNV ± E\WHVFORFNV ± E\WHVFORFNV ± /LQHDUEXUVW ± +\EULGRSWLRQ²RQHZUDSSHGEXUVWIROORZHGE\OLQHDUEXUVW ± :UDSSHGRUOLQHDUEXUVWW\SHVHOHFWHGLQHDFKWUDQVDFWLRQ ± &RQILJXUDEOHRXWSXWGULYHVWUHQJWK „ /RZ3RZHU0RGHV ± $FWLYH&ORFN6WRS'XULQJ5HDGP$QRZDNHXS UHTXLUHG ± 6WDQGE\—$W\SLFDOQRZDNHXSUHTXLUHG ± 'HHS3RZHU'RZQ—$W\SLFDO ± —VZDNHXSUHTXLUHG Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 „ ,17RXWSXWWRJHQHUDWHH[WHUQDOLQWHUUXSW ± %XV\WR5HDG\7UDQVLWLRQ ± (&&GHWHFWLRQ „ 5672RXWSXWWRJHQHUDWHV\VWHPOHYHOSRZHURQUHVHW ± 8VHUFRQILJXUDEOH5672/RZSHULRG „ E\WH3URJUDP%XIIHU „ 6HFWRU(UDVH ± 8QLIRUPN%VHFWRUV ± 2SWLRQDO(LJKWN%3DUDPHWHU6HFWRUVN%WRWDO „ $GYDQFHG6HFWRU3URWHFWLRQ ± 9RODWLOHDQGQRQYRODWLOHSURWHFWLRQPHWKRGVIRUHDFK VHFWRU „ 6HSDUDWHE\WHRQHWLPHSURJUDPDUUD\ „ 2SHUDWLQJ7HPSHUDWXUH ± ,QGXVWULDO±ƒ&WRƒ& ± ([WHQGHG±ƒ&WRƒ& ± ([WHQGHG±ƒ&WRƒ& ± $XWRPRWLYH$(&4*UDGH$±ƒ&WRƒ& ± $XWRPRWLYH$(&4*UDGH$±ƒ&WRƒ& ± $XWRPRWLYH$(&4*UDGH$±ƒ&WRƒ& „ ,6276DQG$(&4&HUWLILHG „ (QGXUDQFH ± SURJUDPHUDVHF\FOHV „ 5HWHQWLRQ ± \HDUGDWDUHWHQWLRQ „ (UDVHDQG3URJUDP&XUUHQW ± 0D[3HDNdP$ „ 3DFNDJLQJ2SWLRQV ± %DOO)%*$ „ $GGLWLRQDO)HDWXUHV ± (&&ELWFRUUHFWLRQELWGHWHFWLRQ ± &5&&KHFNYDOXH&DOFXODWLRQ 2 IS26KS128S/256S/512S IS26KL128S/256S/512S Performance Summary Read Access Timings 0D[LPXP&ORFN5DWHDW99&&9&&4 0+] 0D[LPXP&ORFN5DWHDW99&&9&&4 0+] 0D[LPXP$FFHVV7LPHW$&& QV 0D[LPXP&6$FFHVV7LPHWR)LUVW:RUG#0+] QV Typical Program / Erase Times 6LQJOH:RUG3URJUDPPLQJ% E —VaN%V :ULWH%XIIHU3URJUDPPLQJ% E —Va0%V 6HFWRU(UDVH7LPHN% 0E PVaN%V Typical Current Consumption %XUVW5HDG&RQWLQXRXV5HDGDW0+] P$ 3RZHU2Q5HVHW P$ 6HFWRU(UDVH&XUUHQW P$ :ULWH%XIIHU3URJUDPPLQJ&XUUHQW P$ 6WDQGE\&6 +LJK —$ 'HHS3RZHU'RZQ&6 +LJKƒ& Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 —$0E —$DOORWKHUGHQVLWLHV 3 IS26KS128S/256S/512S IS26KL128S/256S/512S Contents 1.  General Description  ''5&HQWHU$OLJQHG5HDG6WUREH)XQFWLRQDOLW\ '&$56   (UURU'HWHFWLRQDQG&RUUHFWLRQ)XQFWLRQDOLW\  2.  Connection Diagram )%*$%DOO[$UUD\)RRWSULQW 3. Signal Description   4.     HyperBus Protocol   &RPPDQG$GGUHVV%LW$VVLJQPHQWV  5HDG2SHUDWLRQV  +\SHU)ODVK5HDGZLWK'&$567LPLQJ  :ULWH2SHUDWLRQV    (QGXUDQFH 'DWD5HWHQWLRQ Hardware Interface 10.     Electrical Specifications $EVROXWH0D[LPXP5DWLQJV 7KHUPDO,PSHGDQFH /DWFKXS&KDUDFWHULVWLFV 2SHUDWLQJ5DQJHV     '&&KDUDFWHULVWLFV&026&RPSDWLEOH 3RZHU8SDQG3RZHU'RZQ 3RZHU2IIZLWK+DUGZDUH'DWD3URWHFWLRQ 3RZHU&RQVHUYDWLRQ0RGHV 5. Address Space Maps   )ODVK0HPRU\$UUD\   'HYLFH,'DQG&),,'&),$62  11. Timing Specifications  $&7HVW&RQGLWLRQV  $&&KDUDFWHULVWLFV 6.    Embedded Operations  (PEHGGHG$OJRULWKP&RQWUROOHU($&  3URJUDPDQG(UDVH6XPPDU\  'DWD3URWHFWLRQ  12. Embedded Algorithm Performance 13. Ordering Rule 14. Ordering Information  7. Device ID and Common Flash Interface (ID-CFI) ASO Map   'HYLFH,'DQG&RPPRQ)ODVK,QWHUIDFH ,'&),$620DS²6WDQGDUG  'HYLFH,'DQG&RPPRQ)ODVK,QWHUIDFH ,'&),$620DS²$XWRPRWLYH*UDGH $(&4  15. Package Drawing    8.  Software Interface Reference   &RPPDQG6XPPDU\  9. Data Integrity  Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021  4 IS26KS128S/256S/512S IS26KL128S/256S/512S 1. General Description £ 7KH ,66, +\SHU)ODVK IDPLO\ RI SURGXFWV DUH KLJKVSHHG &026 0LUURU%LW 125 IODVK GHYLFHV ZLWK WKH +\SHU%XV ORZ VLJQDO FRXQW''5'RXEOH'DWD5DWHLQWHUIDFHWKDWDFKLHYHVKLJKVSHHGUHDGWKURXJKSXW7KH''5SURWRFROWUDQVIHUVWZRGDWDE\WHVSHU FORFNF\FOHRQWKHGDWD'4VLJQDOV$UHDGRUZULWHDFFHVVIRUWKH+\SHU)ODVKFRQVLVWVRIDVHULHVRIELWZLGHRQHFORFNF\FOH GDWDWUDQVIHUVDWWKHLQWHUQDO+\SHU)ODVKFRUHDQGWZRFRUUHVSRQGLQJELWZLGHRQHKDOIFORFNF\FOHGDWDWUDQVIHUVRQWKH'4 VLJQDOV %RWKGDWDDQGFRPPDQGDGGUHVVLQIRUPDWLRQDUHWUDQVIHUUHGLQ''5IDVKLRQRYHUWKHELWGDWDEXV7KHFORFNLQSXWVLJQDOVDUH XVHGIRUVLJQDOFDSWXUHE\WKH+\SHU)ODVKGHYLFHZKHQUHFHLYLQJFRPPDQGDGGUHVVGDWDLQIRUPDWLRQRQWKH'4VLJQDOV7KH5HDG 'DWD6WUREH5:'6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igure 1. Logic Block Diagram 0DQGDWRU\6LJQDOV &6 &. &. '4>@ 5:'6 2SWLRQDO6LJQDOV 5(6(7 5672 ,17 36& 36& & 2 0 0 $ 1 ' ' ( & 2 ' ( 5 &21752/ /2*,& ; $''5 ; ; ; ; ' ' ' ' (( ( ( && & ' &' ' ' (( ( ( 55 5 6 5 6 6 6 0(025@ 2QFHWKH&KHFNYDOXH&DOFXODWLRQKDVFRPSOHWHGWKH GHYLFHUHWXUQVWRWKH5HDG\VWDWH65>@ DQGWKHFDOFXODWHG&KHFNYDOXHLVDYDLODEOHLQWKH&KHFNYDOXH/RZ5HVXOW5HJLVWHU DQGWKH&KHFNYDOXH+LJK5HVXOW5HJLVWHU7KH&KHFNYDOXH/RZ5HVXOW5HJLVWHUFRQWDLQV&KHFNYDOXHELWVDQGFDQEHUHDG IURPDGGUHVVZKLOHWKHGHYLFHLVLQWKH&5&$627KH&KHFNYDOXH+LJK5HVXOW5HJLVWHUFRQWDLQVELWVDQGFDQEHUHDGIURP DGGUHVVZKLOHWKHGHYLFHLVLQWKH&5&$627KH&KHFNYDOXH/RZ5HVXOW5HJLVWHUDQGWKH&KHFNYDOXH+LJK5HVXOW5HJLVWHUDUH ORDGHGZLWKVRQFHWKH&5&FDOFXODWLRQSURFHVVLVLQLWLDWHG 7KH&KHFNYDOXH&DOFXODWLRQFDQRQO\EHLQLWLDWHGZKHQWKHGHYLFHLVLQ6WDQGE\6WDWHDQGRQFHVWDUWHGFDQEHVXVSHQGHGZLWKWKH &5&6XVSHQGVHTXHQFHWRUHDGGDWDIURPWKHDUUD\'XULQJWKH6XVSHQGHGVWDWHWKH&5&6XVSHQG6WDWXV%LW&5&66%LQWKH 6WDWXV5HJLVWHUZLOOEHVHW65>@ 2QFHVXVSHQGHGWKHKRVWFDQUHDGWKH6WDWXV5HJLVWHUUHDGGDWDIURPWKHDUUD\DQGFDQ UHVXPHWKH&5&FDOFXODWLRQE\XVLQJWKH&5&5HVXPHFRPPDQGVHTXHQFH2QFHLQLWLDWHGWKH&5&$62FDQEHWHUPLQDWHGZLWK WKH$62([LW&RPPDQGRUD+DUGZDUH5HVHWWRUHWXUQWKHGHYLFHWR5HDG$UUD\0RGH7KH&KHFNYDOXH&DOFXODWLRQFDQQRWEH SHUIRUPHGZKLOHDQRWKHU$62LVDFWLYH$+DUGZDUH5HVHWZLOOFOHDUWKHYDOXHLQWKH&5&6WDUW$GGUHVV5HJLVWHU&5&(QG$GGUHVV 5HJLVWHU&KHFNYDOXH+LJK5HVXOW5HJLVWHUDQGWKH&KHFNYDOXH/RZ5HVXOW5HJLVWHU 7KH(QGLQJ$GGUHVV($VKRXOGEHDWOHDVWWZRDGGUHVVHVKLJKHUWKDQWKH6WDUWLQJ$GGUHVV6$,I($  6$  WKH&KHFNYDOXH &DOFXODWLRQZLOODERUWDQGWKHGHYLFHZLOOUHWXUQWRWKH5HDG\VWDWH65>@ 65>@ZLOOEHVHWWRLQGLFDWHWKHDERUWHGFRQGLWLRQ ,I($  6$  WKH&KHFNYDOXH+LJK5HVXOW5HJLVWHUDQGWKH&KHFNYDOXH/RZ5HVXOW5HJLVWHUZLOOKROGLQGHWHUPLQDWHGDWD Figure 2. CRC-32 Polynomial CRC-32C Polynomial = X32 + X28 + X27 + X26 + X25 + X23 + X22 + X20 + X19 + X18 + X14 + X13 + X11 + X10 + X9 + X8 + X6 + 1 Figure 3. Check-Value Calculation Sequence Enter CRC ASO Load CRC Starting Address Load CRC Ending Address Read Status Register Busy ? SR[7]=0 Yes No Read Checkvalue Result Register Exit CRC ASO Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 8 IS26KS128S/256S/512S IS26KL128S/256S/512S 7KHUHDGGDWDRUGHULQJXVHGLQFDOFXODWLQJWKHFKHFNYDOXHIURPWKH&5&SRO\QRPLDOLVVKRZQDVIROORZV %LW5HDGGDWD /RZHU2UGHU:RUG±'DWDIURP$GGUHVVQ +LJKHU2UGHU:RUG±'DWDIURP$GGUHVVQ                                                                 &5&3RO\QRPLDO'DWD2UGHULQJ Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 9 IS26KS128S/256S/512S IS26KL128S/256S/512S 2. Connection Diagram 2.1 FBGA 24-Ball 5 x 5 Array Footprint +\SHU)ODVKGHYLFHVDUHSURYLGHGLQ)RUWLILHG%DOO*ULG$UUD\)%*$PPSLWFKEDOO[EDOODUUD\IRRWSULQWZLWKPP[PP ERG\7KHSDFNDJHKHLJKWLVGHYLFHGHSHQGHQWDQGPD\EHHLWKHUPPRUPP6HH2UGHULQJ,QIRUPDWLRQ5HIHUWRWKHGHYLFH GDWDVKHHW2UGHULQJ3DUW1XPEHUYDOLGFRPELQDWLRQVVHFWLRQIRUWKHSDFNDJHLQXVH Figure 4. 24-Ball FBGA, 6 x 8 mm, 5x5 Ball Footprint, Top View 1RWHV  %&.LV5)8RQWKH9GHYLFHPRGHO  %36&DQG&36&DUH5)8RQVWDQGDUG9DQG9GHYLFHVPRGHO00&36&LV5)8RQ9'&$56GHYLFHPRGHO  '18²'RQRW8VH7KLVSLQEDOOLVFRQQHFWHGLQWHUQDOO\DQGPXVWEHOHIWXQFRQQHFWHG Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 10 IS26KS128S/256S/512S IS26KL128S/256S/512S 3. Signal Description Figure 5. HyperFlash Interface 5(6(7 &6 &. &. 36& 36& 9&& 9&&4 '4>@ 5:'6 ,17 5672 966 9664 Table 2. Signal Descriptions Symbol Type M/O Description &6 ,QSXW 0 Chip Select.+\SHU)ODVKEXVWUDQVDFWLRQVDUHLQLWLDWHGZLWKD+LJKWR/RZWUDQVLWLRQ+\SHU)ODVK EXVWUDQVDFWLRQVDUHWHUPLQDWHGZLWKD/RZWR+LJKWUDQVLWLRQ &.&. ,QSXW 0 Differential Clock.&RPPDQG$GGUHVV'DWDLQIRUPDWLRQLVLQSXWRURXWSXWZLWKUHVSHFWWRWKH FURVVLQJRIWKH&.DQG&.VLJQDOV&.LVRQO\XVHGRQWKH9GHYLFHVDQGPD\EHOHIWRSHQ RUFRQQHFWHGWR&.RQ9GHYLFHV 5:'6 2XWSXW 0 Read Write Data Strobe.2XWSXWGDWDGXULQJUHDGWUDQVDFWLRQVDUHHGJHDOLJQHGZLWK5:'6 '4>@ ,QSXW2XWSXW 0 Data Input / Output.&RPPDQG$GGUHVV'DWDLQIRUPDWLRQLVWUDQVIHUUHGRQWKHVH'4VGXULQJ UHDGDQGZULWHWUDQVDFWLRQV 36& 36& ,QSXW 2 Phase Shifted Clock. 36&36&DOORZVLQGHSHQGHQWVNHZLQJRIWKH5:'6VLJQDOZLWKUHVSHFW WRWKH&.&.LQSXWV36&LVRQO\XVHGRQWKH9GHYLFH36&DQG36&PD\EHGULYHQ +LJKDQG/RZUHVSHFWLYHO\RUERWKPD\EHleft floatingGXULQJZULWHWUDQVDFWLRQV ,17 2XWSXW RSHQGUDLQ 2 INT Output.:KHQ/RZWKHGHYLFHLVLQGLFDWLQJWKDWDQLQWHUQDOHYHQWKDVRFFXUUHG7KLVVLJQDO LVLQWHQGHGWREHXVHGDVDV\VWHPOHYHOLQWHUUXSWIRUWKHGHYLFHWRLQGLFDWHWKDWDQRQFKLSHYHQW KDVRFFXUUHG,17LVDQRSHQGUDLQRXWSXW 5(6(7 ,QSXW 2 Hardware Reset. :KHQ/RZWKHGHYLFHZLOOVHOILQLWLDOL]HDQGUHWXUQWRWKHDUUD\UHDGVWDWH 5:'6DQG'4>@DUHSODFHGLQWRWKH+LJK=VWDWHZKHQ5(6(7LV/RZ5(6(7LQFOXGHV DZHDNSXOOXSLI5(6(7LVOHIWXQFRQQHFWHGLWZLOOEHSXOOHGXSWRWKH+LJKVWDWH 2 RSTO# Output.5672LVDQRSHQGUDLQRXWSXWXVHGWRLQGLFDWHZKHQD325LVRFFXUULQJZLWKLQ WKHGHYLFHDQGFDQEHXVHGDVDV\VWHPOHYHOUHVHWVLJQDO8SRQFRPSOHWLRQRIWKHLQWHUQDO325 WKH5672VLJQDOZLOOWUDQVLWLRQIURP/RZWRKLJKLPSHGDQFHDIWHUDXVHUGHILQHGWLPHRXWSHULRG KDVHODSVHG8SRQWUDQVLWLRQWRWKHKLJKLPSHGDQFHVWDWHWKHH[WHUQDOSXOOXSUHVLVWDQFHZLOOSXOO 5672+LJKDQGWKHGHYLFHLPPHGLDWHO\LVSODFHGLQWRWKH6WDQGE\VWDWH 5672 2XWSXW RSHQGUDLQ 9&& 3RZHU6XSSO\ 3* Power. 9&&4 3RZHU6XSSO\ 3* Input / Output Power. 966 3RZHU6XSSO\ 3* Ground. 9664 3RZHU6XSSO\ 3* Input / Output Ground. 1RWH  0 0DQGDWRU\2 2SWLRQDO3* 3RZHU*URXQG Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 11 IS26KS128S/256S/512S IS26KL128S/256S/512S 4. HyperBus Protocol $OOEXVWUDQVDFWLRQVFDQEHFODVVLILHGDVHLWKHUUHDGRUZULWH$EXVWUDQVDFWLRQLVVWDUWHGZLWK&6JRLQJ/RZZLWK&. /RZDQG &. +LJK7KHWUDQVDFWLRQWREHSHUIRUPHGLVSUHVHQWHGWRWKH+\SHU)ODVKGHYLFHGXULQJWKHILUVWWKUHHFORFNF\FOHVLQD''5 PDQQHUXVLQJDOOVL[FORFNHGJHV7KHVHILUVWWKUHHFORFNVWUDQVIHUWKUHHZRUGVRI&RPPDQG$GGUHVV&$&$&$LQIRUPDWLRQ WRGHILQHWKHWUDQVDFWLRQFKDUDFWHULVWLFV „ 5HDGRUZULWHWUDQVDFWLRQ „ :KHWKHUWKHWUDQVDFWLRQZLOOEHWRWKHPHPRU\DUUD\RUWRUHJLVWHUVSDFH ± $OWKRXJKWKH+\SHU%XVSURWRFROSURYLGHVIRUVODYHGHYLFHVWKDWKDYHERWKPHPRU\DQGUHJLVWHUDGGUHVVVSDFHV+\SHU)ODVK PHPRULHVGHVFULEHGLQWKLVVSHFLILFDWLRQGRQRWGLIIHUHQWLDWHEHWZHHQPHPRU\DQGUHJLVWHUVDVVHSDUDWHDGGUHVVVSDFHV 7KHUHLVDVLQJOHDGGUHVVVSDFHVHOHFWHGE\DQ\WUDQVDFWLRQLQGHSHQGHQWRIZKHWKHUWKHWUDQVDFWLRQLQGLFDWHVWKHWDUJHW ORFDWLRQLVLQPHPRU\VSDFHRUUHJLVWHUVSDFH:ULWHWUDQVDFWLRQVDOZD\VSODFHWKHWUDQVDFWLRQDGGUHVVDQGGDWDLQWRDD FRPPDQGUHJLVWHUVHWEXIIHU5HDGWUDQVDFWLRQVUHWXUQGDWDIURPWKHPHPRU\DUUD\RUIURPDUHJLVWHUDGGUHVVVSDFHZLQGRZ WKDWKDVEHHQWHPSRUDULO\RYHUODLGZLWKLQWKHVLQJOHDGGUHVVVSDFHE\WKHH[HFXWLRQRIFRPPDQGV7KHVLQJOHDGGUHVVVSDFH ZLWKUHJLVWHUVSDFHRYHUOD\VPHWKRGRORJ\LVEDFNZDUGFRPSDWLEOHZLWKOHJDF\SDUDOOHO125)ODVKPHPRU\SURJUDPDQGHUDVH VRIWZDUHGULYHUV „ :KHWKHUDWUDQVDFWLRQZLOOXVHDOLQHDURUZUDSSHGEXUVWVHTXHQFH ± +\SHU)ODVKZULWHWUDQVDFWLRQVGRQRWVXSSRUWEXUVWVHTXHQFHDQGLJQRUHWKHEXUVWW\SHLQGLFDWLRQ:ULWHFRPPDQG WUDQVDFWLRQVWUDQVIHUDVLQJOHZRUGSHUZULWH2QO\WKH:RUG3URJUDPFRPPDQGZULWHGDWDWUDQVIHUPD\EHGRQHZLWKDOLQHDU EXUVWDWXSWR0+] „ 7KHWDUJHWKDOISDJHDGGUHVVURZDQGXSSHURUGHUFROXPQDGGUHVV „ 7KHWDUJHW:RUGZLWKLQKDOISDJHDGGUHVVORZHURUGHUFROXPQDGGUHVV 2QFHWKHWUDQVDFWLRQKDVEHHQGHILQHGDQXPEHURILGOHFORFNF\FOHVDUHXVHGWRVDWLVI\DQ\UHDGODWHQF\UHTXLUHPHQWVEHIRUHGDWD LVWUDQVIHUUHG2QFHWKHWDUJHWGDWDKDVEHHQWUDQVIHUUHGWKH+\SHU%XVPDVWHUKRVWFRPSOHWHVWKHWUDQVDFWLRQE\GULYLQJ&6+LJK ZLWK&. /RZDQG&. +LJK'DWDLVWUDQVIHUUHGDVELWYDOXHVZLWKWKHILUVWHLJKWELWVWUDQVIHUUHGRQD+LJKJRLQJ&. ZULWHGDWDRU&$ELWVRU5:'6HGJHUHDGGDWDDQGWKHVHFRQGHLJKWELWVEHLQJWUDQVIHUUHGRQWKH/RZJRLQJ&.RU5:'6 HGJH'DWDWUDQVIHUVGXULQJUHDGRUZULWHRSHUDWLRQVFDQEHHQGHGDWDQ\WLPHE\EULQJLQJ&6+LJKZKHQ&. /RZDQG &. +LJK5HDGGDWDLVHGJHDOLJQHGZLWK5:'6WUDQVLWLRQVDQG:ULWHGDWDLVFHQWHUDOLJQHGZLWKFORFNHGJHV 4.1 Command / Address Bit Assignments Table 3. Command / Address Bit Assignments CA Bit# Bit Name Bit Function  5: ,GHQWLILHVWKHWUDQVDFWLRQDVD5HDGRU:ULWH  5HDGRSHUDWLRQ  :ULWHRSHUDWLRQ 7DUJHWVSDFHLVGHILQHGLQ&$  7DUJHW ,QGLFDWHVZKHWKHUWKH5HDGRU:ULWHRSHUDWLRQDFFHVVHVWKHPHPRU\RUUHJLVWHUVSDFHV  PHPRU\VSDFH  UHJLVWHUVSDFH 7KHUHJLVWHUVSDFHLVLQWHQGHGWREHXVHGE\YRODWLOHPHPRU\DQGSHULSKHUDOGHYLFHV7KH+\SHU )ODVKGHYLFHVZLOOQRWWDNHDGYDQWDJHRIWKLVIHDWXUHDQGWKLVELWVKRXOGEHVHWWRGXULQJ5HDGRU :ULWHWUDQVDFWLRQV  %XUVW7\SH ,QGLFDWHVZKHWKHUWKHEXUVWZLOOEHOLQHDURUZUDSSHG  :UDSSHG%XUVW  /LQHDU%XUVW *E 0E 5HVHUYHG 5HVHUYHGIRUIXWXUHDGGUHVVH[SDQVLRQ 5HVHUYHGELWVVKRXOGEHVHWWRE\WKHKRVWFRQWUROOHU *E 0E 5RZDQG8SSHU &ROXPQ$GGUHVV  5HVHUYHG  /RZHU&ROXPQ $GGUHVV +DOISDJHFRPSRQHQWRIWDUJHWDGGUHVV 5HVHUYHGIRUIXWXUHFROXPQDGGUHVVH[SDQVLRQ 5HVHUYHGELWVVKRXOGEHVHWWRE\WKHKRVWFRQWUROOHU /RZHU&ROXPQFRPSRQHQWRIWKHWDUJHWDGGUHVV6\VWHPZRUGDGGUHVVELWV$VHOHFWLQJWKH VWDUWLQJZRUGZLWKLQDKDOISDJH Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 12 IS26KS128S/256S/512S IS26KL128S/256S/512S 4.2 Read Operations &$LQGLFDWHVWKDWDUHDGRSHUDWLRQLVWREHSHUIRUPHGDQGDOVRLQGLFDWHVWKHEXUVWW\SHZUDSSHGRUOLQHDU5HDGRSHUDWLRQVEHJLQ WKHLQWHUQDODUUD\DFFHVVDVVRRQDVWKHKDOISDJHDGGUHVVKDVEHHQSUHVHQWHGLQ&$DQG&$&$LGHQWLILHVWKHWDUJHWZRUG DGGUHVVZLWKLQWKHFKRVHQKDOISDJH7KHKRVWWKHQFRQWLQXHVFORFNLQJIRUDQXPEHURIF\FOHVGHILQHGE\WKHODWHQF\FRXQWVHWWLQJLQ WKH&RQILJXUDWLRQ5HJLVWHU2QFHWKHVHODWHQF\FORFNVKDYHEHHQFRPSOHWHGWKHPHPRU\VWDUWVWRVLPXOWDQHRXVO\WUDQVLWLRQWKH5HDG :ULWH'DWD6WUREH5:'6DQGEHJLQVRXWSXWWLQJWKHWDUJHWGDWD1HZGDWDLVRXWSXWLQDQHGJHDOLJQHGIDVKLRQXSRQHYHU\ WUDQVLWLRQRI5:'6'DWDZLOOFRQWLQXHWREHRXWSXWDVORQJDVWKHKRVWFRQWLQXHVWRWUDQVLWLRQWKHFORFN&.DQG&.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 Figure 6. Read Operation CS# Initial Access CK# , CK 5 cycle latency RWDS DQ[7:0] 47:40 39:32 31:24 23:16 15:8 Dn A 7:0 Command-Address Host drives DQ[7:0] and Memory drives RWDS RWDS and Data are edge aligned Dn B Dn+1 A Dn+1 B Memory drives DQ[7:0] and RWDS 1RWHV  7UDQVDFWLRQVPXVWEHLQLWLDWHGZLWK&. /RZDQG&. +LJK&6PXVWUHWXUQ+LJKEHIRUHDQHZWUDQVDFWLRQLVLQLWLDWHG   5HDGDFFHVVIURPWKHIODVKDUUD\VWDUWVRQFH&$>@LVFDSWXUHG  7KHUHDGODWHQF\LVGHILQHGE\WKH5HDG/DWHQF\YDOXHLQWKH9RODWLOH&RQILJXUDWLRQ5HJLVWHURUWKH1RQ9RODWLOH&RQILJXUDWLRQ5HJLVWHU  ,QWKLVH[DPSOHRIDUHDGRSHUDWLRQWKH/DWHQF\&RXQWZDVVHWWRILYHFORFNV Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 13 IS26KS128S/256S/512S IS26KL128S/256S/512S Table 4. Maximum Operating Frequency for Latency Code Options Latency Code Latency Clocks Maximum Operating Frequency (MHz)                                      5HVHUYHG 1$  5HVHUYHG 1$  5HVHUYHG 1$  5HVHUYHG 1$ 1RWHV  'HIDXOW19&5ODWHQF\VHWWLQJZKHQWKHGHYLFHLVVKLSSHGIURPWKHIDFWRU\LVFORFNV  7KH/DWHQF\&RGHLVWKHYDOXHORDGHGLQWR1RQ9RODWLOH&RQILJXUDWLRQ5HJLVWHUELWV[9&5>@  0D[LPXP2SHUDWLQJ)UHTXHQF\DVVXPHGWREHXVLQJDGHYLFHZLWKW$&& QV Figure 7. Read Transaction Crossing a Page Boundary 12 Clock Initial Latency CS# 9 Words Data CK 3 Clock Initial Page Crossing Latency RWDS DQ[7-0] A0 02 46 8A 80 07 dd dd dd dd Read from Address =123457h Address Address 123457 123458 dd dd dd dd dd dd dd Address Address Address 12345D 12345E 12345F dd dd dd dd Address Address 123460 123461 1RWHV  5HDGRSHUDWLRQVWDUWLQJDWGHYLFHDGGUHVVK  /DWHQF\FRGHORDGHGLQWRWKH&RQILJXUDWLRQ5HJLVWHULVEZKLFKUHVXOWVLQODWHQF\FORFNV  3DJHERXQGDU\FURVVLQJUHTXLUHVWKUHHFORFNVLQWKLVFDVHFORFNLQLWLDOODWHQF\PLQXVFORFNVZRUGVRILQLWLDOGDWD  &.LVQRWVKRZQEXWLVWKHFRPSOHPHQWRIWKH&.VLJQDO  &$ IRUDOLQHDU5HDGEXUVW Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 14 IS26KS128S/256S/512S IS26KL128S/256S/512S Table 5. First Page Boundary Crossing During Linear Read (Latency Count = 11 Clocks) Target Address Clock Cycle 0 1 2 3 ... 12  13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ' ; ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ; ; ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '  &$ &$ &$  %XV7XUQDURXQG  ,QLWLDO/DWHQF\ ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ' ; ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ; ; ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' — — — — — — — — — — — — — — — 29 30 31 32 33 34 35 — — 1 2 ... 11 Latency Count Table 6. First Page Boundary Crossing During Linear Read (Latency Count = 16 Clocks) Target Address Clock Cycle After CS# Goes Low 0 1 2 3 ... 17 18 19 20 21 22 23 24 25 26 27 28  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ; ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ; ; ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ; ; ; ' '  ' ' ' ' ' ' ' ' ' ' ' ' ; ; ; ; ' '  ' ' ' ' ' ' ' ' ' ' ' ; ; ; ; ; ' '  ' ' ' ' ' ' ' ' ' ' ; ; ; ; ; ; ' '  ' ' ' ' ' ' ' ' ' ; ; ; ; ; ; ; ' '  %XV7XUQDURXQG ,QLWLDO/DWHQF\ ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ; ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ' ; ; ' '  ' ' ' ' ' ' ' ' ' ' ' ' ' ; ; ; ' '  ' ' ' ' ' ' ' ' ' ' ' ' ; ; ; ; ' '  ' ' ' ' ' ' ' ' ' ' ' ; ; ; ; ; ' '  ' ' ' ' ' ' ' ' ' ' ; ; ; ; ; ; ' '  ' ' ' ' ' ' ' ' ' ; ; ; ; ; ; ; ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' — — — — — — — — — — — — — — &$ &$ &$  — — 1 2 ... 16 Latency Count IIntegrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 15 IS26KS128S/256S/512S IS26KL128S/256S/512S 7RFDOFXODWHODWHQF\ZKHQFURVVLQJDSDJHERXQGDU\XVHWKHIROORZLQJIRUPXOD if ((PS - LTCY) < ADDR & (SP -1)) { ((ADDR & (SP -1)) - PS + LTCY) ` else {0} ZKHUH 36 SDJHVL]H ZRUGV 63 VXESDJHVL]H ZRUGV /7&@LVFOHDUHGWR6HH)LJXUH(YDOXDWH(UDVH6WDWXV6RIWZDUH6HTXHQFH IRUGHWDLOV  7KH((6FRPPDQGFDQEHXVHGWRGHWHFWHUDVHRSHUDWLRQVWKDWIDLOHGGXHWRORVVRISRZHUUHVHWRUIDLOXUHGXULQJDQHUDVH RSHUDWLRQ 7KH((6FRPPDQGUHTXLUHVW((6WRFRPSOHWHDQGXSGDWHVWKH6HFWRU(UDVH6WDWXV%LWLQWKH6WDWXV5HJLVWHU65>@7KH'HYLFH 5HDG\%LWLQWKH6WDWXV5HJLVWHU65>@PD\EHUHDGXVLQJWKH5HDG6WDWXV5HJLVWHUKFRPPDQGWRGHWHUPLQHZKHQWKH((6 FRPPDQGKDVILQLVKHG2QFHWKH'HYLFH5HDG\%LWLQWKH6WDWXV5HJLVWHULQGLFDWHVWKDWWKHGHYLFHKDVUHWXUQHGWRWKH5HDG\ VWDWHWKH6HFWRU(UDVH6WDWXV%LW65>@LQGLFDWHVZKHWKHUWKHWDUJHWVHFWRUZDVVXFFHVVIXOO\HUDVHG,IDVHFWRULVIRXQGQRWHUDVHG ZLWK65>@ WKHVHFWRUPXVWEHHUDVHGDJDLQWRHQVXUHUHOLDEOHVWRUDJHRIGDWDLQWKHVHFWRU 7KH6HFWRU(UDVH&RXQW6(&IXQFWLRQSURYLGHVWKHFDSDELOLW\WRUHDGWKHQXPEHURIWLPHVHDFKVHFWRUKDVEHHQHUDVHG7KH6(& FRPPDQGRXWSXWVWKHQXPEHURIVXFFHVVIXOHUDVHF\FOHVIRUWKHDGGUHVVHGVHFWRU7KH6HFWRUDGGUHVVFDQVWDUWDWDQ\VHFWRU ORFDWLRQRIWKHPHPRU\DUUD\DQGWKH6(&FRPPDQGVKLIWVRXWWKHFRXQW7KHFRXQWFRQVLVWVRIELWVE\WHVRIGDWDZKHUHFRXQW ELWVFRQWDLQWKHHUDVHFRXQWJLYLQJDPD[LPXPRIPLOOLRQF\FOHV&RXQWELWLVDIODJLQGLFDWLQJZKHWKHU6(&KDVEHHQUHVHW LQWKHSDVWRUQRW$µ¶LQGLFDWHVD3RZHU/RVVHYHQWGXULQJ(UDVHUHVXOWLQJLQWKHFRXQWHUUHVHW Figure 15. Evaluate Erase Status Software Sequence Write Evalulate Erase Status Command (D0h) to target sector (SA) Read Status Register Busy ? SR[7]=0 Yes No Yes Prior Erase Successful Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 Prior Erase Corrupted ? SR[0]=1 No Prior Erase Unsuccessful 31 IS26KS128S/256S/512S IS26KL128S/256S/512S 6.2.7 Erase Methods 6.2.7.1 Chip Erase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it Name Reset Status Busy Status Ready Status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±'XULQJDVXVSHQGHG&5&FDOFXODWLRQRQO\UHDGRSHUDWLRQVIURPWKHDUUD\DUHDOORZHG Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 36 IS26KS128S/256S/512S IS26KL128S/256S/512S 6.2.12 Non-Volatile Configuration Register and Volatile Configuration Register 7KH1RQ9RODWLOH&RQILJXUDWLRQ5HJLVWHU19&5DQGWKH9RODWLOH&RQILJXUDWLRQ5HJLVWHU9&5DUHXVHGWRGHILQHWKHRSHUDWLQJ FRQGLWLRQVIRUWKH+\SHU)ODVKEXV&RQILJXUDEOHFKDUDFWHULVWLFVLQFOXGH  :UDSSHG%XUVW/HQJWKE\WHE\WHRUE\WHZUDSSHGEXUVW D E\WHDQGE\WHZUDSSHGEXUVWVEHKDYHLQWKHOHJDF\PDQQHUE\WHZUDSSHGEXUVWEHKDYHDVVKRZQLQ 7DEOH  5HDG/DWHQF\WRFORFNVWRDOORZIRULQLWLDOUHDGODWHQF\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7KH19&5LVLQWHQGHGWRKROG D GHIDXOW VHWWLQJWR DOORZ DOLJQPHQW ZLWK WKH KRVW FRQWUROOHU VHWWLQJV GXULQJ ERRW RSHUDWLRQ 7KH 9&5 ZLOO RIWHQ EH XSGDWHG ZLWK RSWLPL]HG VHWWLQJV GXULQJWKHERRWSURFHVV7KHVRXUFHIRUEXVFKDUDFWHULVWLFVZLOOVKLIWIURPWKH19&5DIWHU3RZHU8SRU+DUG5HVHWWRWKH9&5 RQFHWKH9&5LVORDGHG2QFHWKH9&5LVORDGHGRQO\D3RZHU8SRU+DUG5HVHWZLOOUHWXUQEXVFKDUDFWHULVWLFVEDFNWRWKH19&5 VHWWLQJV:KHQXQORFNHGWKH9&5FDQEHDOWHUHGDWDQ\WLPHZKLOHWKHGHYLFHLVLGOH 7KHQXPEHURIWLPHVWKH19&5FDQEHHUDVHGDQGUHSURJUDPPHGLVGHILQHGE\WKH19&5VSHF7RDVVXUHFRQVLVWHQWEXV FRQILJXUDWLRQGXULQJDQGDIWHU19&5SURJUDPPLQJWKH9&5VKRXOGEHXVHGWRGHILQHEXVRSHUDWLQJFKDUDFWHULVWLFVZKHQ SURJUDPPLQJWKH19&5 Table 18. VCR and NVCR Configuration Register Bit Assignments xVCR Bit Function Settings (Binary) [9&5>@ 5HVHUYHG [9&5>@ 'ULYH6WUHQJWK 6HH7DEOH'ULYH6WUHQJWK&RGH [9&5>@ [9&5)UHH]H 9&5RU19&5/RFNHG1R3URJUDPPLQJRU(UDVLQJRI19&5QRFKDQJHVWR9&5 9&5DQG19&58QORFNHGIDFWRU\GHIDXOW [9&5>@ 665)UHH]H 6HFXUH6LOLFRQ5HJLRQ/RFNHG3URJUDPPLQJQRWDOORZHG 6HFXUH6LOLFRQ5HJLRQ8QORFNHGIDFWRU\GHIDXOW 5HVHUYHGGHIDXOW [9&5>@ 3DUDPHWHU6HFWRUVDQG5HDG3DVVZRUG6HFWRUVPDSSHGLQWRORZHVWDGGUHVVHV 3DUDPHWHU6HFWRU 3DUDPHWHU6HFWRUVDQG5HDG3DVVZRUG6HFWRUVPDSSHGLQWRKLJKHVWDGGUHVVHV 8QLIRUP6HFWRUVZLWK5HDG3DVVZRUG6HFWRUPDSSHGLQWRORZHVWDGGUHVVHVIDFWRU\ 0DSSLQJ GHIDXOW 8QLIRUP6HFWRUVZLWK5HDG3DVVZRUG6HFWRUPDSSHGLQWRKLJKHVWDGGUHVVHV [9&5>@ 5HDG/DWHQF\ &ORFN/DWHQF\ &ORFN/DWHQF\ &ORFN/DWHQF\ &ORFN/DWHQF\ &ORFN/DWHQF\  &ORFN/DWHQF\IDFWRU\GHIDXOW 6HH7DEOH0D[LPXP2SHUDWLQJ)UHTXHQF\IRU/DWHQF\&RGH2SWLRQV [9&5>@ 5HVHUYHG [9&5>@ 5:'66WDOO &RQWURO 5:'6ZLOOVWDOOUHPDLQ/RZXSRQ'XDO(UURU'HWHFWGHIDXOW 5:'6ZLOOQRWEHVWDOOHGXSRQ'XDO(UURU'HWHFW [9&5>@ %XUVW/HQJWK 5HVHUYHG E\WHV E\WHV E\WHVIDFWRU\GHIDXOW 5HVHUYHGGHIDXOW 1RWH  7KHSODFHPHQWRIWKH&RQILJXUDWLRQ5HJLVWHUELWVDUHWKHVDPHLQERWKWKH1RQ9RODWLOHDQG9RODWLOH&RQILJXUDWLRQ5HJLVWHUV Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 37 IS26KS128S/256S/512S IS26KL128S/256S/512S Table 19. Drive Strength Code xVCR[14:12] Typical Impedance 1.8V VCCQ Typical Impedance 3V VCCQ GHIDXOW                        Units 2KPV 1RWH  7\SLFDO,PSHGDQFHPHDVXUHGDWQRPLQDO9&&4ƒ& Figure 17. Configuration Control 1RQ9RODWLOH &RQILJXUDWLRQ5HJLVWHU 9RODWLOH &RQILJXUDWLRQ5HJLVWHU &56HOHFW0XOWLSOH[HU ',5  19&5 ',5  9&5 ',5 6HW &OHDU &OHDU /RDG9RODWLOH&RQILJXUDWLRQ5HJLVWHU 3RZHU2Q5HVHW +DUGZDUH5HVHW 'HYLFH&RQILJXUDWLRQ 1RWHV  $6RIWZDUH5HVHWZLOOQRWFKDQJHWKHVWDWHRIWKH&56HOHFW0XOWLSOH[HU  3URJUDPPLQJRUHUDVXUHRIWKH19&5GRHVQRWLPSDFWWKHFRQWHQWVRIWKH9&5WKDWKDVEHHQSUHYLRXVO\ORDGHG  ,IWKH9&5KDVQRWEHHQORDGHGSURJUDPPLQJRIWKH19&5ZLOOEHUHVXOWLQWKH9&5EHLQJORDGHGZLWKWKHQHZ19&5YDOXH  Table 20. VCR and NVCR Freeze Bits Immediately After Power-Up or Hardware Reset NVCR[11] Bit VCR[11] Bit NVCR VCR   3URJUDPPDEOH(UDVDEOH   7HPSRUDULO\/RFNHG 7HPSRUDULO\/RFNHG   3URJUDPPDEOH(UDVDEOH 6HWWDEOH&OHDUDEOH   3HUPDQHQWO\/RFNHG 3HUPDQHQWO\/RFNHG 6HWWDEOH&OHDUDEOH 1RWHV  3URJUDPPLQJ(UDVLQJWKH19&5ZLOOQRWLPSDFWEHKDYLRUXQWLODIWHUWKHQH[W325RU+DUGZDUH5HVHW  /RDGLQJWKH9&5ZLOOLPSDFWEHKDYLRULPPHGLDWHO\  7KLVVWDWHRFFXUVDIWHU19&5>@ 9&5>@ DQGWKH19&5>@ELWLVSURJUDPPHG7KHVWDWHZLOORQO\H[LVWXQWLOWKHQH[W325RU+DUGZDUH5HVHW7KHUHDIWHU 19&5>@ 9&5>@   7KLVVWDWHRFFXUVDIWHU325RU+DUGZDUH5HVHWZKHQ19&5>@ZDVSUHYLRXVO\SURJUDPPHG Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 38 IS26KS128S/256S/512S IS26KL128S/256S/512S Table 21. Example Burst Sequences VCR / NVCR [1:0] CA[45] Wrap Boundary (Bytes) Start Address (Hex) Address Sequence (Hex) (Words) ;;  /LQHDU ;;;;;; $%&'()     ;;;;;;     ;;;;;;& &'()$%    ;;;;;;$ $%&'()    ;;;;;;( ()$%&'    ;;;;;; $%&'() $%&'()    ;;;;;;( ()$%&'() $%&' Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 39 Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021                           ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ± ±    ±  ±            ±    ±                  ±      ±                        ±        ± ;        ;                     ± ; ;       ; ± ; ; ;      ; ; ;            ;             ± ; ; ; ;     ; ; ; ;              ± ; ; ; ; ;    ; ; ; ; ; /HJHQG ; PDUNVLGOHSHULRGVRQWKHEXVZKHQ5:'6GRHVQRWWRJJOH ± LQGLFDWHVWKDWWKHE\WHZUDSSHGEXUVWKDVFRPSOHWHG 40 ± ; ; ; ; ; ; ;  ; ; ; ; ; ; ; ±                 ±                                                                                                                                ±        ±        ± ± ±       ± ±       ± ± ± ± ± ±     ± ± ± ± ± ± ± ± ±    ± ± ± ± ± ± ± ± ± ± ±   ± ± ± ± ± ± ± ± ± ± ± ± ±  ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ±                                                                                                                               ±                                               ± ± ± ±                ± ± ±      ± ± ±                                                                                                                                                                                                                      /DWHQF\&RXQW ± ; ; ; ; ; ;   ; ; ; ; ; ;                                                   ; ;                ; ; ; ;                ;       ; ;  /DWHQF\ ,QLWLDO        ;       ; ;                                                ; ;                                       ±                ±   &$ &$ &$   %XV  7XUQDURXQG    ;       ;                                                                               Clock Cycle ... 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56  3  2  1  0  Target $GGUHVV IS26KS128S/256S/512S IS26KL128S/256S/512S Table 22. 64-byte Wrapped Burst Address Sequence (Latency Code = 16)                            Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021  ; ; ;                     ; ; ;    ± ± ±         ±   ±               ±     ±                     ±       ±                           ± ;        ± ; ;       ; ;           ;            ± ; ; ;      ; ; ±                        ;              ±                                           ± ± ± ± ±    ± ± ± ± ± ± ± ± ± ± ±   ± ± ± ± ± ± ± ± ± ± ± ± ±  ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± /HJHQG; PDUNVLGOHSHULRGVRQWKHEXVZKHQ5:'6GRHVQRWWRJJOH ± LQGLFDWHVWKDWWKHE\WHZUDSSHGEXUVWKDVFRPSOHWHG 41 ± ± /DWHQF\&RXQW ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ±                                                             ± ± ± ± ±                                     ± ± ± ± ±                                                                                                                                                                                                                                                                                                                ;              ± ;               ± ;                                          ; ;  /DWHQF\ ,QLWLDO  ;     7XUQDURXQG                                                                                                                                                                                                   &$ &$ &$    %XV                                                                                                                                     ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ... 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52  3  2  1  0 Clock Cycle  Target $GGUHVV IS26KS128S/256S/512S IS26KL128S/256S/512S Table 22. 64-byte Wrapped Burst Address Sequence (Latency Code = 12) (continued) IS26KS128S/256S/512S IS26KL128S/256S/512S 6.2.12.1 CRC Value Register 7KHYRODWLOH&5&UHJLVWHU&5&5VWRUHVWKHUHVXOWVRIWKH&5&SURFHVVWKDWFDOFXODWHVWKH&KHFNYDOXHRQWKHGDWDFRQWDLQHGDW WKHVWDUWLQJDGGUHVVWKURXJKWKHHQGLQJDGGUHVV Table 23. CRC Value Register Bit Assignments %LW3RVLWLRQ &5&9DOXH/RZ5HVXOW5HJLVWHU &5&9DOXH+LJK5HVXOW5HJLVWHU >@ 5 5 >@ 5 5 >@ 5 5 >@ 5 5 >@ 5 5 >@ 5 5 >@ 5 5 >@ 5 5 >@ 5 5 >@ 5 5 >@ 5 5 >@ 5 5 >@ 5 5 >@ 5 5 >@ 5 5 >@ 5 5 1RWH  &5&9DOXHLVD9RODWLOH5HJLVWHU 6.2.13 ASO Entry and Exit 6.2.13.1 ID-CFI ASO 7KHV\VWHPFDQDFFHVVWKH,'&),$62E\LVVXLQJWKH,'&),(QWU\FRPPDQGVHTXHQFHGXULQJ5HDG0RGH7KLVHQWU\FRPPDQG XVHVWKH6HFWRU$GGUHVV6$LQWKHFRPPDQGWRGHWHUPLQHZKLFKVHFWRUZLOOEHRYHUODLG6HHWKHGHWDLOGHVFULSWLRQVLQ7DEOH 7DEOH,'&),$GGUHVV0DS2YHUYLHZ6HFWLRQ'HYLFH,'DQG6HFWLRQ&RPPRQ)ODVK0HPRU\,QWHUIDFH 7KH,'&),$62DOORZVWKHIROORZLQJDFWLYLWLHV „ 5HDG,'&),$62XVLQJWKHVDPH6$DVXVHGLQWKH(QWU\FRPPDQG „ $62([LW 7KHIROORZLQJLVD&VRXUFHFRGHH[DPSOHRIXVLQJWKH&),(QWU\DQG([LWIXQFWLRQV5HIHUWRWKH/RZ/HYHO'ULYHU8VHU*XLGHIRU JHQHUDOLQIRUPDWLRQRQ,66,IODVKPHPRU\VRIWZDUHGHYHORSPHQWJXLGHOLQHV /* Example: CFI Entry command */ *( (UINT16 *)base_addr + 0x555 ) = 0x0098; /* write CFI entry command */ /* Example: CFI Exit command */ *( (UINT16 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03/15/2021 46 IS26KS128S/256S/512S IS26KL128S/256S/512S 6.2.14.4 ECC Error 7KHUHDUHWKUHHPHWKRGVIRUUHSRUWLQJWRWKHKRVWV\VWHPZKHQ(&&HUURUVDUHGHWHFWHG „ 7KHUHLVDQ(&&6WDWXV$62WKDWSURYLGHVWKHVWDWXVRIDQ\HUURUGHWHFWLRQRUFRUUHFWLRQDFWLRQWDNHQZKHQUHDGLQJDKDOISDJH ORFDWLRQZLWKLQWKH$62 „ 7KH,QWHUUXSW,17RXWSXWPD\EHHQDEOHGWRLQGLFDWHZKHQHLWKHUDRQHRUWZRELWHUURULVGHWHFWHGDVD+DOISDJHLVUHDG „ $PRGHPD\EHHQDEOHGWRFDXVHWKH5HDG:ULWH'DWD6WUREH5:'6WRVWRSWRJJOLQJVWDOOZKHQUHDGLQJD+DOISDJH FRQWDLQLQJDWZRELWHUURU7KHVWDOOFRQGLWLRQFDQEHGHWHFWHGE\WKH+\SHU%XVPDVWHUDVDEXVHUURUZKHQ5:'6GRHVQRW WUDQVLWLRQIRUPRUHWKDQFORFNF\FOHV ECC Status Register (ECCSR) (&&65GRHVQRWKDYHXVHUSURJUDPPDEOHQRQYRODWLOHELWVDOOGHILQHGELWVDUHYRODWLOHUHDGRQO\VWDWXV7KHVWDWXVRI(&&LQHDFK +DOISDJH(&&XQLWLVSURYLGHGE\WKHELW(&&6WDWXV5HJLVWHU(&&657KH(&&5HJLVWHU5HDGFRPPDQGLVZULWWHQIROORZHG E\DQ(&&XQLWDGGUHVV7KHFRQWHQWVRIWKHVWDWXVUHJLVWHUWKHQLQGLFDWHVIRUWKHVHOHFWHG(&&XQLWZKHWKHUWKHUHLVDQHUURULQWKH 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ECC Status Register Bit Assignments Bits Field Name Function Type Default State >@ 5)8 5HVHUYHG 9RODWLOH5HDG2QO\  5HVHUYHGIRU)XWXUH8VH   ELW(&&GHWHFWLRQRFFXUUHGVLQFHODVW (&&6WDWXV$62H[LW  1RELW(&&GHWHFWLRQRFFXUUHGVLQFHODVW (&&6WDWXV$62H[LW >@ %' ELW(&&'HWHFWLRQ 9RODWLOH5HDG2QO\ Description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µGRQ¶WFDUH¶DQGLJQRUHGE\DQ\VRIWZDUHUHDGLQJ(&&VWDWXV 7KH(&&65LVUHWXUQHGWRWKHGHIDXOWVWDWHVZLWKD+DUGZDUH5HVHWRUZKHQWKH(&&6WDWXV$62LVH[LWHGZLWKD6RIWZDUH5HVHW $62([LWFRPPDQG Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 47 IS26KS128S/256S/512S IS26KL128S/256S/512S Address Trap Register (ATR) $UHJLVWHULVSURYLGHGWRFDSWXUHWKH+DOISDJHDGGUHVVZKHUHDQ(&&HUURULVILUVWHQFRXQWHUHGGXULQJDUHDGRIWKH)ODVKDUUD\7KH 0ELW+\SHU)ODVKGHQVLW\GHYLFHVRQO\UHFRUGWKHDGGUHVVZKHUHDWZRELWHUURULVHQFRXQWHUHG$OORWKHU+\SHU)ODVKGHYLFHV PD\XVHWKH$635>@FRQILJXUDWLRQELWWRHQDEOHWKH$GGUHVV7UDS5HJLVWHUWRFDSWXUHERWKELWDQGELWHUURUORFDWLRQV7KH $GGUHVV7UDS5HJLVWHUKDVDYDOLGDGGUHVVZKHQWKH(&&6WDWXV5HJLVWHU(&&65ELWRU  7KH(UURU/RZHU$GGUHVV5HJLVWHUDQG(UURU8SSHU$GGUHVV5HJLVWHUFRQWDLQWKHDGGUHVVWKDWZDVDFFHVVHGZKHQWKHHUURULV GHWHFWHG7KHIDLOLQJELWVPD\QRWEHORFDWHGDWWKHH[DFWDGGUHVVLQGLFDWHGLQWKHUHJLVWHUVEXWZLOOEHORFDWHGZLWKLQWKHDOLJQHG E\WH+DOISDJHZKHUHWKHHUURUZDVGHWHFWHG,IHUURUVDUHIRXQGLQPXOWLSOHKDOISDJHVGXULQJDVLQJOHUHDGRSHUDWLRQWKHDGGUHVV RIWKHILUVWIDLOLQJ+DOISDJHDGGUHVVLVFDSWXUHGLQWKH(UURU/RZHU8SSHU$GGUHVV5HJLVWHUV2QO\WKHDGGUHVVRIWKHILUVWHQDEOHG HUURUW\SHELWRUHLWKHUELWRUELWDVVHOHFWHGLQ$635>@HQFRXQWHUHGDIWHU3RZHU2Q5HVHW325KDUGZDUHUHVHWRUH[LW IURPWKH(&&$62LVFDSWXUHG(DFK(&&$62H[LWFOHDUVWKHDGGUHVVWUDSUHJLVWHUDQG(&&65>@ELWV :KHQWZRELWHUURUGHWHFWLRQLVQRWHQDEOHGDQGWKHVDPH+DOISDJHLVSURJUDPPHGPRUHWKDQRQFH(&&HUURUGHWHFWLRQIRUWKDW +DOISDJHLVGLVDEOHGVRQRHUURUFDQEHUHFRJQL]HGWRWUDSWKHDGGUHVV Table 25. 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Secure Silicon Region Memory Space 5HDGLQJWKH6655HJLRQLVSHUIRUPHGRQFHWKH665$62LVHQWHUHGXVLQJWKH665HQWU\VHTXHQFH7KH665LVPDSSHGWRD VSHFLILFVHFWRULGHQWLILHGGXULQJWKH665(QWU\FRPPDQGVHTXHQFH6655HDGRSHUDWLRQVZLWKLQWKHVHFWRULGHQWLILHGGXULQJWKH 665(QWU\FRPPDQGVHTXHQFHEXWRXWVLGHWKHYDOLGN%665DGGUHVVUDQJHZLOO\LHOGLQGHWHUPLQDWHGDWD5HDGVWRVHFWRUVQRW RYHUODLGE\WKH665$62ZLOOUHWULHYHDUUD\GDWD$665([LWVHTXHQFHZLOOUHWXUQWKHGHYLFHWRWKHDUUD\UHDG$62 6.3.1.2 Programming Secure Silicon Region Memory Space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 PD\EHXVHGWRSURWHFWWKH 665DGGUHVVVSDFH$665([LWVHTXHQFHZLOOUHWXUQWKHGHYLFHWRWKH5HDG0RGH Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 49 IS26KS128S/256S/512S IS26KL128S/256S/512S Figure 18. SSR Address Space E\WH2735HJLRQ E\WH2735HJLRQ E\WH2735HJLRQ :KHQSURJUDPPHGWRHDFK ORFNELWSURWHFWVLWVUHODWHG E\WH273UHJLRQIURPDQ\IXUWKHU SURJUDPPLQJ   E\WH2735HJLRQ E\WH2735HJLRQ E\WH2735HJLRQ E\WH2735HJLRQ 5HJLRQ([SDQGHG9LHZ  5HVHUYHG E\WH5DQGRP1XPEHU /RFN%LWVWR %\WHK %\WHK %\WH)K Table 26. SSR Address Map Region Byte Address Range (Hex) Contents K /HDVW6LJQLILFDQW%\WHRI,66, 3URJUDPPHG5DQGRP1XPEHU   )K 0RVW6LJQLILFDQW%\WHRI,66, 3URJUDPPHG5DQGRP1XPEHU KK 5HJLRQ/RFNLQJ%LWV %\WH>ELW@ORFNVUHJLRQ IURPSURJUDPPLQJZKHQ   %\WH>ELW@ORFNVUHJLRQ IURPSURJUDPPLQJZKHQ  $OO%\WHV ))K K)K 5HVHUYHGIRU)XWXUH8VH5)8 $OO%\WHV ))K 5HJLRQ K)K $YDLODEOHIRU8VHU 3URJUDPPLQJ $OO%\WHV ))K 5HJLRQ K)K $YDLODEOHIRU8VHU 3URJUDPPLQJ $OO%\WHV ))K   $YDLODEOHIRU8VHU 3URJUDPPLQJ $OO%\WHV ))K 5HJLRQ (K))K $YDLODEOHIRU8VHU 3URJUDPPLQJ $OO%\WHV ))K 5HJLRQ Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 Initial Delivery State (Hex) ,66,3URJUDPPHG5DQGRP 1XPEHU 50 IS26KS128S/256S/512S IS26KL128S/256S/512S 6.3.2 Advanced Sector Protection (ASP) $GYDQFHG6HFWRU3URWHFWLRQ$63LVDVHWRILQGHSHQGHQWKDUGZDUHDQGVRIWZDUHPHWKRGVXVHGWRGLVDEOHRUHQDEOHSURJUDPPLQJ RUHUDVHRSHUDWLRQVLQGLYLGXDOO\LQDQ\RUDOOVHFWRUV7KLVVHFWLRQGHVFULEHVWKHYDULRXVPHWKRGVRISURWHFWLQJGDWDVWRUHGLQWKH PHPRU\DUUD\$QRYHUYLHZRIWKHVHPHWKRGVLVVKRZQLQ)LJXUH  Figure 19. Advanced Sector Protection Overview $63&RQILJXUDWLRQ5HJLVWHU 2QH7LPH3URJUDPPDEOH 3DVVZRUG3URWHFWLRQ 0HWKRG/RFN%LW $635>@  3HUVLVWHQW3URWHFWLRQ 0HWKRG/RFN%LW $635>@  3DVVZRUG5HJLVWHUE 2QH7LPH3URWHFW 33%/RFN%LW  33%V/RFNHG   33%V8QORFNHG %LWLVYRODWLOH325VHWWLQJGHSHQGVRQSURWHFWLRQPHWKRG 3HUVLVWHQW3URWHFWLRQ0HWKRGGHIDXOWVWR 3DVVZRUG3URWHFWLRQ0HWKRGGHIDXOWVWR &OHDULQJWRORFNVDOO33%VWRWKHLUFXUUHQWVWDWH 2QFHFOHDUHGWRUHTXLUHVSRZHUF\FOHWRXQORFN 3HUVLVWHQW3URWHFWLRQ%LWV 33%  '\QDPLF3URWHFWLRQ%LWV '@  '('(&&2Q2II%LW $635>@ (&&2Q2II%LW'LVDEOHG'XDO(UURU'HWHFW(QDEOHG $635>@ (&&2Q2II%LW(QDEOHG'XDO(UURU'HWHFW'LVDEOHGGHIDXOW >@  5HVHUYHG >@ ; 5HVHUYHG >@  5HVHUYHG >@  5HDG3DVVZRUG0RGH(QDEOH $635>@ 5HDG3DVVZRUG0RGH3HUPDQHQWO\(QDEOHG $635>@ 5HDG3DVVZRUG0RGH'LVDEOHGGHIDXOWIURPIDFWRU\ >@  5HVHUYHG >@  5HVHUYHG Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 53 IS26KS128S/256S/512S IS26KL128S/256S/512S Table 28. ASP Configuration Register (Continued) Bit Default Value Name >@  3HUVLVWHQW3DVVZRUG3URWHFWLRQ0RGH/RFN%LWV $635>@ 1RW$OORZHG $635>@ 3DVVZRUG0RGH3HUPDQHQWO\(QDEOHG$635)UR]HQ $635>@ 3HUVLVWHQW0RGH3HUPDQHQWO\(QDEOHG$635)UR]HQ $635>@ 3HUVLVWHQW0RGH7HPSRUDULO\(QDEOHGGHIDXOWIURPIDFWRU\ >@  5HVHUYHG $VVKLSSHGIURPWKHIDFWRU\DOOGHYLFHVGHIDXOWWRWKH3HUVLVWHQW3URWHFWLRQPHWKRGZLWKDOOVHFWRUVXQSURWHFWHGZKHQSRZHULV DSSOLHG7KHGHYLFHSURJUDPPHURUKRVWV\VWHPFDQWKHQFKRRVHZKLFKVHFWRUSURWHFWLRQPHWKRGWRXVH3URJUDPPLQJHLWKHURIWKH IROORZLQJWZRRQHWLPHSURJUDPPDEOHQRQYRODWLOHELWVORFNVWKHSDUWSHUPDQHQWO\LQWKDWPRGH „ 3HUVLVWHQW3URWHFWLRQ0RGH/RFN%LW$635>@ „ 3DVVZRUG3URWHFWLRQ0RGH/RFN%LW$635>@ ,IERWKORFNELWV$635>@DQG$635>@DUHVHOHFWHGWREHSURJUDPPHGDWWKHVDPHWLPHWKHRSHUDWLRQZLOODERUWDQG6WDWXV 5HJLVWHUELWV65>@DQG65>@ZLOOEHVHWWRLQGLFDWHWKHIDLOXUH2QFHWKH3DVVZRUG0RGH/RFN%LWLVSURJUDPPHGWKH3HUVLVWHQW 0RGH/RFN%LWLVSHUPDQHQWO\GLVDEOHGDQGQRFKDQJHVWRWKHSURWHFWLRQVFKHPHDUHDOORZHG6LPLODUO\LIWKH3HUVLVWHQW0RGH/RFN %LWLVSURJUDPPHGWKH3DVVZRUG0RGHLVSHUPDQHQWO\GLVDEOHG3URJUDPPLQJDWWHPSWVWRWKH$635DIWHUHLWKHU$635>@RU $635>@KDYHEHHQSURJUDPPHGZLOOEHDERUWHGDQG6WDWXV5HJLVWHUELWV65>@DQG65>@ZLOOEHVHWWRLQGLFDWHWKHIDLOXUH If the Password Mode is chosen, the password must be programmed prior to setting the corresponding Lock Register Bit. The four-word password must be programmed in order in a 0-1-2-3 sequence, other programming sequences will result in undefined behavior. After the Password Protection Mode Lock Bit is programmed, a power cycle, Hardware Reset, or PPB Lock Bit Set command is required to set the PPB Lock Bit to 0 to protect the PPB array. 7KHSURJUDPPLQJWLPHRIWKH$63&RQILJXUDWLRQ5HJLVWHULVWKHVDPHDVWKHW\SLFDOZRUGSURJUDPPLQJWLPH'XULQJD$63 &RQILJXUDWLRQ 5HJLVWHU SURJUDPPLQJ ($ 7KH V\VWHP FDQ DOVR GHWHUPLQH WKH VWDWXV RI WKH $635 SURJUDPPLQJ E\ UHDGLQJ WKH 6WDWXV5HJLVWHU6HH6HFWLRQ(UURU7\SHVDQG&OHDULQJ3URFHGXUHVIRULQIRUPDWLRQRQWKHVHVWDWXVELWV 6.3.8 Persistent Protection Mode 7KH3HUVLVWHQW3URWHFWLRQPHWKRGVHWVWKH33%/RFN%LWWRGXULQJ325RU+DUGZDUH5HVHWVRWKDWWKH33%ELWVDUHXQSURWHFWHGE\ DGHYLFHUHVHW7KHUHLVDFRPPDQGWRFOHDUWKH33%/RFN%LWWRWRSURWHFWWKH33%7KHUHLVQRFRPPDQGLQWKH3HUVLVWHQW 3URWHFWLRQPHWKRGWRVHWWKH33%/RFN%LWWRWKHUHIRUHWKH33%/RFN%LWZLOOUHPDLQDWXQWLOWKHQH[WSRZHURIIRU+DUGZDUH 5HVHW 6.3.9 Password Protection Mode 3DVVZRUG3URWHFWLRQ0RGHDOORZVDQHYHQKLJKHUOHYHORIVHFXULW\WKDQWKH3HUVLVWHQW6HFWRU3URWHFWLRQ0RGHE\UHTXLULQJDELW SDVVZRUGIRUVHWWLQJWKH33%/RFN%LW,QDGGLWLRQWRWKLVSDVVZRUGUHTXLUHPHQWDIWHU3RZHU8SRU+DUGZDUH5HVHWWKH33%/RFN %LWLVFOHDUHGWRWRHQVXUHSURWHFWLRQDW3RZHU8S6XFFHVVIXOH[HFXWLRQRIWKH3DVVZRUG8QORFNFRPPDQGE\HQWHULQJWKHHQWLUH SDVVZRUGVHWVWKH33%/RFN%LWWRDOORZLQJIRUVHFWRU33%PRGLILFDWLRQV 3DVVZRUG3URWHFWLRQ1RWHV „ 7KH3DVVZRUG3URJUDP&RPPDQGLVRQO\FDSDEOHRISURJUDPPLQJ¶V „ 7KHSDVVZRUGLVDOO¶VZKHQVKLSSHGIURPIDFWRU\,WLVORFDWHGLQLWVRZQPHPRU\VSDFHDQGLVDFFHVVLEOHWKURXJKWKHXVHRIWKH 3DVVZRUG3URJUDPDQG3DVVZRUG5HDGFRPPDQGV „ $OOELWSDVVZRUGFRPELQDWLRQVDUHYDOLGDVDSDVVZRUG „ 2QFHWKH3DVVZRUGLVSURJUDPPHGDQGYHULILHGWKH3DVVZRUG3URWHFWLRQ0RGH/RFNLQJ%LWPXVWEHSURJUDPPHGWRLQRUGHU WRSUHYHQWUHDGLQJWKHSDVVZRUG „ 7KH3DVVZRUG3URWHFWLRQ0RGH/RFN%LWRQFHSURJUDPPHGWRSUHYHQWVUHDGLQJWKHELWSDVVZRUGRQWKHGDWDEXVDQG IXUWKHUSDVVZRUGSURJUDPPLQJ$OOIXUWKHUSURJUDPDQGUHDGFRPPDQGVWRWKHSDVVZRUGUHJLRQDUHGLVDEOHGDQGWKHVH FRPPDQGVDUHLJQRUHG$WWHPSWHGSURJUDPPLQJRIDSURWHFWHG3DVVZRUGZLOOVHWWKH6HFWRU/RFN6WDWXV%LW65>@DQGWKH 3URJUDP6WDWXV%LW65>@,IDIXUWKHUSURJUDPPLQJRSHUDWLRQLVDWWHPSWHGRQHLWKHUWKH3DVVZRUGRUWKH3DVVZRUG3URWHFWLRQ 0RGH/RFN%LWWKHRSHUDWLRQZLOOEHDERUWHGDQGWKHIDLOXUHZLOOEHLQGLFDWHGLQWKH6WDWXV5HJLVWHUVHH7DEOH7KHUHLVQR PHDQVWRYHULI\ZKDWWKHSDVVZRUGLVDIWHUWKH3DVVZRUG3URWHFWLRQ0RGH/RFN%LWLVSURJUDPPHG3DVVZRUGYHULILFDWLRQLVRQO\ DOORZHGEHIRUHVHOHFWLQJWKH3DVVZRUG3URWHFWLRQ0RGH Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 54 IS26KS128S/256S/512S IS26KL128S/256S/512S „ 7KH3DVVZRUG0RGH/RFN%LWLVQRWHUDVDEOH „ )RUWKHXQORFNLQJIXQFWLRQWRRFFXUWKHSDVVZRUGSRUWLRQFDQEHHQWHUHGLQDQ\RUGHUDVORQJDVWKHHQWLUHELWSDVVZRUGLV HQWHUHG,IWKHSDVVZRUGXQORFNFRPPDQGSURYLGHGSDVVZRUGGRHVQRWPDWFKWKHKLGGHQLQWHUQDOSDVVZRUGWKHXQORFNRSHUDWLRQ IDLOVLQWKHVDPHPDQQHUDVDSURJUDPPLQJRSHUDWLRQRQDSURWHFWHGVHFWRU7KH6WDWXV5HJLVWHUZLOOUHWXUQWRWKHUHDG\VWDWHZLWK WKH3URJUDP6WDWXV%LWVHWWRLQGLFDWLQJDIDLOHGSURJUDPPLQJRSHUDWLRQGXHWRDORFNHGVHFWRU,QWKLVFDVHLWLVDIDLOXUHWR FKDQJHWKHVWDWHRIWKH33%/RFN%LWEHFDXVHLWLVVWLOOSURWHFWHGE\WKHODFNRIDYDOLGSDVVZRUG „ 7KHGHYLFHUHTXLUHVDSSUR[LPDWHO\W36:' —VIRUVHWWLQJWKH33%/RFN%LWDIWHUWKHYDOLGELWSDVVZRUGLVJLYHQWRWKH GHYLFH „ 7KH3DVVZRUG8QORFNFRPPDQGFDQQRWEHDFFHSWHGDQ\IDVWHUWKDQRQFHHYHU\W36:'VHH7DEOH 7KLVPDNHVLWWDNHDQXQUHDVRQDEO\ORQJWLPHPLOOLRQ\HDUVIRUDKDFNHUWRUXQWKURXJKDOOWKHELWFRPELQDWLRQVLQDQ DWWHPSWWRFRUUHFWO\PDWFKDSDVVZRUG7KH($VWDWXVFKHFNLQJPHWKRGVPD\EHXVHGWRGHWHUPLQHZKHQWKH($&LVUHDG\WR DFFHSWDQHZSDVVZRUGFRPPDQG „ If the password is lost after setting the Password Mode Lock Bit, there is no way to clear the PPB Lock Bit. 6.3.10 Read Password Protection Mode 7KH5HDG3DVVZRUG0RGHFDQUHSODFHWKHGHIDXOW6HFWLRQ3DVVZRUG3URWHFWLRQ0RGH7KH5HDG3DVVZRUG0RGHLVHQDEOHG WR UHSODFH WKH GHIDXOW 33% 3DVVZRUG 3URWHFWLRQ 0RGH ZKHQ WKH XVHU SURJUDPV $635>@   7KH 5HDG 3DVVZRUG 0RGH LV QRW DFWLYHXQWLOWKHSDVVZRUGLVSURJUDPPHGDQG$635>@LVSURJUDPPHGWR 7KH5HDG3DVVZRUG3URWHFWLRQ0RGHHQDEOHVSURWHFWLQJWKH)ODVK0HPRU\$UUD\IURPUHDGSURJUDPDQGHUDVH2QO\WKHORZHVWRU KLJKHVWN%VHFWRUDGGUHVVUDQJHVHOHFWHGE\WKH1RQ9RODWLOH&RQILJXUDWLRQ5HJLVWHUELWV[9&5>@UHPDLQVUHDGDEOHXQWLOD VXFFHVVIXO3DVVZRUG8QORFNFRPPDQGLVFRPSOHWHG1RWHWKDWUHDGVIURPWKHUHDGSURWHFWHGSRUWLRQRIWKHDUUD\ZLOODOLDVEDFNWR WKHUHDGDEOHVHFWRU ,QWKLVPRGHWKH33%/RFN%LWLVXVHGWRFRQWUROWKHKLJKRUGHUELWVRIDGGUHVV:KHQWKH33%/RFN%LWLVWKHDGGUHVVELWVRSHUDWH QRUPDOO\:KHQWKH33%/RFN%LWLVWKHDGGUHVVELWVWKDWVHOHFWDPDLQDUUD\VHFWRUDGGUHVVUDQJHDUHIRUFHGHLWKHUWRV [9&5>@ RURUWRV[9&5>@ RUWRVHOHFWWKHORZHVWRUKLJKHVWDGGUHVV)ODVK0HPRU\$UUD\DGGUHVVUDQJH SHUWKHWDEOHEHORZ:KHQ[9&5>@ RUWKHERWWRP]HURDGGUHVVN%RIWKHDUUD\LVUHDGDEOH:KHQ[9&5>@ RU WKHWRSPD[LPXPDGGUHVVN%RIWKHDUUD\LVUHDGDEOH Table 29. ASP Configuration Register Selection of Persistent and Password Protection Modes ASPR Bit Default Value     Name 3HUVLVWHQW3DVVZRUG3URWHFWLRQ0RGH/RFN%LWV $635>@ 1RW$OORZHG $635>@ 3DVVZRUG0RGH3HUPDQHQWO\(QDEOHG $635>@ 3HUVLVWHQW0RGH3HUPDQHQWO\(QDEOHG $635>@ 3HUVLVWHQW0RGH7HPSRUDULO\(QDEOHGGHIDXOWIURPIDFWRU\ Table 30. xVCR Mapping of Boot Block Address Range xVCR Bit Default Value Name [9&5>@  0DS3DUDPHWHU6HFWRUVDQG5HDG3DVVZRUG6HFWRUVPDSSHGLQWRORZHVWDGGUHVVHV 0DS3DUDPHWHU6HFWRUVDQG5HDG3DVVZRUG6HFWRUVPDSSHGLQWRKLJKHVWDGGUHVVHV 8QLIRUP6HFWRUVZLWK5HDG3DVVZRUG6HFWRUPDSSHGLQWRORZHVWDGGUHVVHV 8QLIRUP6HFWRUVZLWK5HDG3DVVZRUG6HFWRUPDSSHGLQWRKLJKHVWDGGUHVVHV 7KH33%ELWVDUHSURWHFWHGIURPSURJUDPDQGHUDVHZKHQWKH33%/RFN%LWLVDQGPD\EHSURJUDPPHGRUHUDVHGZKHQWKH33% /RFN%LWLV 7KH33%/RFN%LWLVVHWWRE\325RU+DUGZDUH5HVHWVDPHDVLQ33%3DVVZRUG3URWHFWLRQ0RGH Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 55 IS26KS128S/256S/512S IS26KL128S/256S/512S Read Password Protection Notes: „ :KHQWKH5HDG3DVVZRUG231RSWLRQLVRUGHUHGWKHXVHUFDQSURJUDPWKH$635>@ELWWRDQGXVH5HDG3DVVZRUGRUQRWDV GHVLUHG „ 7KHFRPPDQGVHTXHQFHIRUSURJUDPPLQJUHDGLQJDQGORFNLQJRIWKH3DVVZRUGIRU5HDG3DVVZRUG0HWKRGLVWKHVDPHDVWKH GHIDXOWIRUWKH33%3DVVZRUG0HWKRG „ :KHQWKH5HDG3DVVZRUG0RGHDQG3DVVZRUG3URWHFWLRQ0RGHDUHHQDEOHGLH$635>@DQG$635>@DUHSURJUDPPHGWR WKHQDOODGGUHVVHVDUHUHGLUHFWHGWRWKH%RRW6HFWRUXQWLOWKHSDVVZRUGXQORFNLQJVHTXHQFHLVSURSHUO\HQWHUHGZLWKWKHFRUUHFW SDVVZRUG$WZKLFKWLPHWKH5HDG3DVVZRUG0RGHLVGLVDEOHGDQGDOODGGUHVVLQJZLOOVHOHFWWKHSURSHUORFDWLRQ „ ,IDV\VWHP+DUGZDUH5HVHWRFFXUVWKHQWKH5HDG3DVVZRUG0RGHLVUHHQDEOHG „ $635>@LVXVHGWRVHOHFWEHWZHHQ5HDG3DVVZRUGYHUVXV33%3DVVZRUGRSWLRQV,I$635>@ WKHQWKHGHYLFHLVUHDG\IRU 5HDG3DVVZRUG+RZHYHU5HDG3DVVZRUGLVQRWHQDEOHGXQWLO$635>@ $WZKLFKSRLQWDOODGGUHVVHVVHOHFWRQO\ZLWKLQWKH WRSRUERWWRPVHFWRUVXQWLOWKHGHYLFHLVXQORFNHGZLWKWKHSURSHUXQORFNLQJVHTXHQFHDQG3DVVZRUG:KHQ$635>@ WKH DGGUHVVHVVHOHFWQRUPDOO\7KLVDOORZVXVHUVWRSURJUDPLQFRGHWHVWLWSURYLGHDSDVVZRUGDQGWKHQORFNLWE\SURJUDPPLQJ $635>@  „ 7KH5HDG3DVVZRUGFRPPDQGVHTXHQFHUHWXUQXQGHILQHGUHVXOWVLIVHQWZKHQ5HDG3DVVZRUG3URWHFWLRQLVLQXVH7KH33% /RFN%LWPD\RQO\EHUHWXUQHGWRE\D+DUGZDUH5HVHW325RUWKH33%/RFN%LW&OHDUFRPPDQGVHTXHQFH „ 2QO\WKH,'5HDGFRPPDQG3DVVZRUG8QORFNFRPPDQGDQGDUUD\UHDGVDUHYDOLGGXULQJ5HDG3DVVZRUG0RGHZKLOHWKH33% /RFN%LW 2WKHUFRPPDQGVDUHGLVDEOHGXQWLOWKHSDVVZRUGLVVXSSOLHGWRHQDEOHUHDGLQJRIWKHHQWLUHGHYLFHDQGQRUPDO FRPPDQGRSHUDWLRQ „ :KHQ5HDG3DVVZRUG3URWHFWLRQ0RGHLVDFWLYH$635>@ $635>@ 33%/RFN%LW UHDGLQJRIWKHPDLQDUUD\LV DOORZHGEXWIRUFHGWRKDYHRQO\WKHERRWVHFWRUYLVLEOHYLDWKHIRUFLQJRIPHPRU\VHFWRUDGGUHVVWRRUV5HDGLQJWKH'@  Name +\EULG%XUVW7\SH(QDEOH  +\EULG2QH:UDSSHGEXUVWVHTXHQFHIROORZHGE\OLQHDUEXUVW  /HJDF\:UDSSHGEXUVWVHTXHQFHRQO\ ([DPSOHEXUVWVHTXHQFHVIRUE\WHDQGE\WH+\EULGEXUVWUHDGV   E\WHH[DPSOHZUDSZLWKLQE\WHERXQGDU\EHIRUHWUDQVLWLRQLQJWROLQHDUEXUVW D $%&'() E ()$%&' E\WHH[DPSOHZUDSZLWKLQE\WHERXQGDU\EHIRUHWUDQVLWLRQLQJWROLQHDUEXUVW D  E  Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 56 IS26KS128S/256S/512S IS26KL128S/256S/512S 6.3.12 INT# Output 7KH,17SLQLVDQRSHQGUDLQRXWSXWXVHGWRLQGLFDWHWRWKHKRVWV\VWHPWKDWDQHYHQWKDVRFFXUUHGZLWKLQWKHIODVKGHYLFH7KHXVHU FDQVHOHFWWRWUDQVLWLRQWKH,17RXWSXWSLQWRWKHDFWLYH/RZVWDWHZKHQ „ 7UDQVLWLRQLQJIURPWKH%XV\WRWKH5HDG\VWDWH „ ELW(&&HUURULVGHWHFWHG „ 7UDQVLWLRQLQJIURPWKH%XV\WRWKH5HDG\VWDWH 7KHLQWHUUXSWVRXUFHVDUHHQDEOHGE\WKHLQWHUUXSWFRQILJXUDWLRQUHJLVWHU 2SHUDWLRQLVFRQWUROOHGZLWKWKH,QWHUUXSW&RQILJXUDWLRQ5HJLVWHU,&5ZKHUHWKH,17RXWSXWQRUPDOO\+LJKLVHQDEOHG7KH ,QWHUUXSW&RQILJXUDWLRQ5HJLVWHUGHWHUPLQHVZKHQDQLQWHUQDOHYHQWLVHQDEOHGWRWULJJHUD+LJKWR/RZWUDQVLWLRQRQWKH,17RXWSXW SLQ7KH,QWHUUXSW6WDWXV5HJLVWHULQGLFDWHVZKDWHQDEOHGLQWHUQDOHYHQWVKDYHRFFXUUHGVLQFHWKHODVWWLPHWKH,65KDVEHHQ FOHDUHG,IHQDEOHGWKH,17RXWSXWSLQZLOOWKHQWUDQVLWLRQIURP+LJKWR/RZXSRQWKHRFFXUUHQFHRIDQHQDEOHGHYHQW2QFHWKHKRVW UHFRJQL]HVWKDW,17KDVWUDQVLWLRQHGWRWKH/RZVWDWHWKH,QWHUUXSW6WDWXV5HJLVWHUFDQEHUHDGWRGHWHUPLQHZKLFKLQWHUQDOHYHQW ZDVUHVSRQVLEOH 7KH,17RXWSXWFDQEHIRUFHGWRWUDQVLWLRQEDFNWRWKHKLJKLPSHGDQFHVWDWHUHWXUQHG+LJKE\DQH[WHUQDOSXOOXSUHVLVWDQFHXVLQJ WKUHHPHWKRGV „ 'LVDEOHWKH,17RXWSXWE\ORDGLQJDLQWRELWRIWKH,QWHUUXSW&RQILJXUDWLRQ5HJLVWHU7KH,QWHUUXSW6WDWXV5HJLVWHUZLOOEH FOHDUHGXSRQORDGLQJ,&5>@ZLWKD „ 'LVDEOHWKHHYHQWFKDQQHOUHVSRQVLEOHIRUFDXVLQJWKHRXWSXWWRWUDQVLWLRQ/RZE\ORDGLQJDLQWRWKHDSSURSULDWHHYHQWHQDEOHELW LQWKH,QWHUUXSW&RQILJXUDWLRQ5HJLVWHU7KHDVVRFLDWHGELWLQWKH,QWHUUXSW6WDWXV5HJLVWHUZLOOEHFOHDUHGXSRQORDGLQJDLQWRWKH FRUUHVSRQGLQJELWLQWKH,&5 „ 5HVHWWKHDSSURSULDWHELWE\ZULWLQJDLQWKH,QWHUUXSW6WDWXV5HJLVWHUELWWKDWLQGLFDWHVZKLFKLQWHUQDOHYHQWRFFXUUHGWRFDXVH WKHRXWSXWWRJR/RZ$OO,QWHUUXSW6WDWXV5HJLVWHUELWVWKDWDUH/RZDQGDUHDOVRHQDEOHGLQWKH,QWHUUXSW&RQILJXUDWLRQ5HJLVWHU PXVWEHUHVHWEHIRUHWKH,17RXWSXWZLOOUHWXUQ+LJK 7KH,17RXWSXWZLOODOVREHUHWXUQHGWRWKHGHIDXOWGLVDEOHG+LJK=VWDWHZLWKD+DUGZDUH5HVHW5(6(7 /RZRUD3RZHU2Q 5HVHW+DUGZDUH5HVHWDQG3RZHU2Q5HVHWGLVDEOHDOOLQWHUUXSWVE\VHWWLQJWKH,QWHUUXSW&RQILJXUDWLRQ5HJLVWHUEDFNWRWKHGHIDXOW DOOLQWHUUXSWVGLVDEOHGVWDWH Table 32. Interrupt Configuration Register POR Default State RESET# Default State ,172XWSXW (QDEOH    ,17RXWSXWGLVDEOHG+LJKRU2SHQ'UDLQ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its Function >@ Type 9RODWLOH 5HDG:ULWH Description 1RWH  %RWK325DQG+DUGZDUH5HVHWUHVXOWVLQDOOLQWHUUXSWFKDQQHOVEHLQJGLVDEOHG Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 57 IS26KS128S/256S/512S IS26KL128S/256S/512S Table 33. Interrupt Status Register POR Default State RESET# Default State 5HVHUYHG   5HVHUYHGIRU)XWXUH8VH >@ 5($'<    $%XV\WR5HDG\WUDQVLWLRQKDVQRWRFFXUUHG  $%XV\WR5HDG\WUDQVLWLRQKDVRFFXUUHG @ 5HVHUYHG   5HVHUYHGIRUIXWXUHXVH >@ 325'HWHFW    325KDVQRWRFFXUUHG  325KDVRFFXUUHG >@ ELW(UURU 'HWHFW    ELWHUURUGHWHFWLRQKDVQRWRFFXUUHG  ELWHUURUGHWHFWLRQKDVRFFXUUHG >@ ELW(UURU 'HWHFW    ELWHUURUGHWHFWLRQKDVQRWRFFXUUHG  ELWHUURUGHWHFWLRQKDVRFFXUUHG Bits Function >@ Type 9RODWLOH5HDG:ULWH Description 1RWHV  +DUGZDUH5HVHWUHVXOWVLQDOO,65ELWVEHLQJVHWWR  325UHVXOWVLQWKH,65325'HWHFWELW,65>@EHLQJFOHDUHGWRDOORWKHUELWVWREHVHWWR  ,65>@LVFOHDUHGWRGXULQJ325DQGLVRQO\VHWWRZLWKD+DUGZDUH5HVHW5(6(7 RUZLWKDZULWHWRWKH,65  7KH,17RXWSXWVWDWHLVQRWDIIHFWHGE\WKHYDOXHRI,65>@  :ULWLQJWRWKH,65FDQRQO\IOLSELWVIURPWKHWRWKHVWDWH2QO\DQLQWHUUXSWRFFXUUHQFHIOLSVDQ,65ELWIURPWKHWRWKHVWDWH Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 58 IS26KS128S/256S/512S IS26KL128S/256S/512S Device ID and Common Flash Interface (ID-CFI) ASO Map 7.1 Device ID and Common Flash Interface (ID-CFI) ASO Map — Standard 7KH'HYLFH,'SRUWLRQRIWKH$62ZRUGORFDWLRQVKWR)KSURYLGHVPDQXIDFWXUHU,'GHYLFH,'DQGEDVLFIHDWXUHVHW LQIRUPDWLRQIRUWKHGHYLFH)RUDGGLWLRQDOLQIRUPDWLRQVHH6HFWLRQ,'&),$62 Table 34. ID (Autoselect) Address Map Word Address Data Description 6$K K 0DQXIDFWXUHU,' 6$K (K 'HYLFH,' 6$K 5HVHUYHG 6$K 5HVHUYHG 6$K 5HVHUYHG 6$K 5HVHUYHG 6$K 5HVHUYHG 6$K 5HVHUYHG 6$K 5HVHUYHG 6$K 5HVHUYHG 6$$K 5HVHUYHG 6$%K 5HVHUYHG 6$&K K 6$'K 5)8 /RZHU6RIWZDUH%LWV %LW6WDWXV5HJLVWHU6XSSRUW  6WDWXV5HJLVWHU6XSSRUWHG  6WDWXV5HJLVWHU1RW6XSSRUWHG %LW'43ROOLQJ6XSSRUW  '4%LWV3ROOLQJ6XSSRUWHG  '4%LWV3ROOLQJ1RW6XSSRUWHG %LW&RPPDQG6HW6XSSRUW  5HVHUYHG  5HVHUYHG  +\SHU)ODVK&RPPDQG6HW  &ODVVLF&RPPDQG6HW %LWV)±5HVHUYHG  8SSHU6RIWZDUH%LWV K 0E#9 )K 0E#9 6$(K K 0E#9 K 0E#9 'HYLFH,' K 0E#9 K 0E#9 6$)K K Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 'HYLFH,' 59 IS26KS128S/256S/512S IS26KL128S/256S/512S Table 35. CFI Query Identification String Word Address Data Description 6$K 6$K 6$K K K K 4XHU\8QLTXH$6&,,VWULQJ³45@ DQG5:'6 84 IS26KS128S/256S/512S IS26KL128S/256S/512S 11.2.3 Read AC Parameters Table 53. HyperBus 1.8V/3.0V Device Common Read Timing Parameters Parameter Symbol 166 MHz 133 MHz 100 MHz Unit Min Max Min Max Min Max W&6+,  ±  ±  ± &KLS6HOHFW6HWXSWRQH[W&.5LVLQJ(GJH W&66  ±  ±  ± QV 'DWD6WUREH9DOLG W'69 ±  ±  ±  QV ,QSXW6HWXS W,6  ±  ±  ± QV ,QSXW+ROG W,+  ±  ±  ± QV +\SHU)ODVK5HDG,QLWLDO$FFHVV7LPH W$&& ±  ±  ±  QV &ORFNWR'4V/RZ= W'4/=  ±   ± QV &.WUDQVLWLRQWR'49DOLG W&.'       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'Q $ 'Q % W2= 'Q $ 'Q % 5:'6DQG'DWDDUHGULYHQE\WKHPHPRU\ 1RWHV  &.DQG36&DUHRSWLRQDODQGVKRZQDVGDVKHGOLQHZDYHIRUPV  7KHGHOD\SKDVHVKLIWIURP&.WR36&LVFRQWUROOHGE\WKH+\SHU%XVPDVWHULQWHUIDFH+RVWDQGLVJHQHUDOO\EHWZHHQDQGGHJUHHVLQRUGHUWRSODFHWKH 5:'6HGJHZLWKLQWKHGDWDYDOLGZLQGRZZLWKVXIILFLHQWVHWXSDQGKROGWLPHRIGDWDWR5:'67KHUHTXLUHPHQWVIRUGDWDVHWXSDQGKROGWLPHWR5:'6DUH GHWHUPLQHGE\WKH+\SHU%XVPDVWHULQWHUIDFHGHVLJQDQGDUHQRWDGGUHVVHGE\WKH+\SHU%XVVODYHWLPLQJSDUDPHWHUV  7KH+\SHU%XVWLPLQJSDUDPHWHUVRIW&.'DQGW&.',GHILQHWKHEHJLQQLQJDQGHQGSRVLWLRQRIWKHGDWDYDOLGSHULRG7KHW&.'DQGW&.',YDOXHVWUDFNWRJHWKHUYDU\E\WKH VDPHUDWLREHFDXVH5:'6DQG'DWDDUHRXWSXWVIURPWKHVDPHGHYLFHXQGHUWKHVDPHYROWDJHDQGWHPSHUDWXUHFRQGLWLRQV Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 85 IS26KS128S/256S/512S IS26KL128S/256S/512S Table 54. DCARS Read Timings (@ 3.0 V) Parameter 100 MHz Symbol +\SHU)ODVK36&WUDQVLWLRQWR5:'6WUDQVLWLRQ 7LPHGHOWDEHWZHHQ&.WR'4YDOLGDQG36&WR5:'6 Min Max Unit W36&5:'6   QV W36&5:'6W&.'   QV 1RWH  6DPSOHGQRWWHVWHG Table 55. DCARS Read Timings (@ 1.8 V) Parameter 133 MHz Symbol Unit Min Max Min Max W36&5:'6     QV W36&5:'6W&.'     QV +\SHU)ODVK36&WUDQVLWLRQWR5:'6WUDQVLWLRQ 7LPHGHOWDEHWZHHQ&.WR'4YDOLGDQG36&WR 5:'6 100 MHz 1RWH  6DPSOHGQRWWHVWHG 11.2.4 Word Programming with Multiple Word Burst Data Load Figure 33. Burst Write During Load of Multiple Words During a Word Program Command Timing Diagram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ntegrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 86 IS26KS128S/256S/512S IS26KL128S/256S/512S 11.2.5 Write AC Parameters Table 56. HyperFlash 1.8V/3.0V Device Common Write Timing Parameters Parameter Symbol &KLS6HOHFW+LJK%HWZHHQ7UDQVDFWLRQV &KLS6HOHFW6HWXSWRQH[W&.5LVLQJ (GJH 'DWD6WUREH9DOLG 166 MHz 133 MHz 100 MHz Unit Min Max Min Max Min Max W&6+,   ±  ±  ± QV W&66  ±  ±  ± QV W'69 ±  ±  ±  QV ,QSXW6HWXS W,6  ±  ±  ± QV ,QSXW+ROG W,+  ±  ±  ± QV &KLS6HOHFW+ROG$IWHU&.)DOOLQJ(GJH W&6+  ± ±  ± QV &KLS6HOHFW,QDFWLYHRUFORFNWR5:'6 +LJK= W'6= ±    ±  QV ± Table 57. Burst Write During Load of Multiple Words During a Word Program Command Timings Parameter Symbol 50 MHz  Min 2SHUDWLQJ)UHTXHQF\IRU%XUVW:ULWH &KLS6HOHFW6HWXSWRQH[W&.5LVLQJ(GJH W&66 &KLS6HOHFW$FWLYHWR5:'69DOLG/RZ Max Unit  0+]  ± QV W'69 ±  QV ,QSXW6HWXS W,6  ± QV ,QSXW+ROG W,+  ± QV W&6+  ± QV &KLS6HOHFW+ROG$IWHU&.)DOOLQJ(GJH &KLS6HOHFW,QDFWLYHWR5:'6+LJK= W'6= ±  QV &KLS6HOHFW+LJK%HWZHHQ2SHUDWLRQV W&6+,  ± QV 1RWHV  6DPSOHGQRWWHVWHG  0+]WLPLQJVDUHRQO\UHTXLUHGZKHQXVLQJDEXUVWZULWHGXULQJD:RUG3URJUDPFRPPDQG Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 87 IS26KS128S/256S/512S IS26KL128S/256S/512S 12. Embedded Algorithm Performance Table 58. Embedded Algorithm Characteristics Min Typ Max Unit 6HFWRU(UDVH7LPH.E\WH Parameter ±   PV 3DUDPHWHU6HFWRU(UDVH7LPH.E\WH ±   PV   V &KLS(UDVH7LPH0E Comments ,QFOXGHVSUHSURJUDPPLQJSULRUWRHUDVXUH  &KLS(UDVH7LPH0E ±   V &KLS(UDVH7LPH0E ±   V 6LQJOH:RUG3URJUDPPLQJ7LPH ±   —V :RUG3URJUDPPLQJ&RPPDQG6HTXHQFH +DOISDJHE\WH%XIIHUHG3URJUDPPLQJ7LPH ±   —V %XIIHUHG3URJUDPPLQJ&RPPDQG 6HTXHQFH %XIIHU3URJUDPPLQJ7LPHIXOOE\WH ±   —V (UDVH6XVSHQG(UDVH5HVXPHW(6/ ±   —V 3URJUDP6XVSHQG3URJUDP5HVXPHW36/ ±  —V (UDVH5HVXPHWRQH[W(UDVH6XVSHQGW(56 ±  3URJUDP5HVXPHWRQH[W3URJUDP6XVSHQG W356 ±  %ODQN&KHFNN%6HFWRU ±  1231XPEHURI3URJUDPRSHUDWLRQVSHU/LQH 0LQLPXPRIQVEXWtW\SLFDOSHULRGVDUH QHHGHGIRU(UDVHWRSURJUHVVWRFRPSOHWLRQ —V  0LQLPXPRIQVEXWtW\SLFDOSHULRGVDUH QHHGHGIRU3URJUDPWRSURJUHVVWR FRPSOHWLRQ PV ±  ,QGXVWULDO7HPSHUDWXUH ±  ,QGXVWULDO3OXV7HPSHUDWXUH 2QO\DVLQJOHSURJUDPRSHUDWLRQRQHDFK ZRUGE\WHKDOISDJH (YDOXDWH(UDVH6WDWXV7LPHW((6 ±   —V   —V  —V 3DVVZRUG&RPSDULVRQ7LPHW36:'  &5&6XVSHQG&5&5HVXPHW&5&6/ ² &5&5HVXPHWRQH[W&5&6XVSHQGW&5&56 ²  &5&&DOFXODWLRQ6HWXS7LPHW&5&B6(783 ²  &5&&DOFXODWLRQ5DWH   —V ² 0LQLPXPRIQVEXWtW\SLFDOSHULRGVDUH QHHGHGIRUWKH&5&FDOFXODWLRQWRSURJUHVV WRFRPSOHWLRQ —V 0%V &DOFXODWLRQUDWHRYHUDODUJH!E\WH EORFNRIGDWD 1RWHV  7\SLFDOSURJUDPDQGHUDVHWLPHVDVVXPHWKHIROORZLQJFRQGLWLRQVƒ&9RU99&&F\FOHDQGDFKHFNHUERDUGGDWDSDWWHUQ  8QGHUZRUVWFDVHFRQGLWLRQVRIƒ&9&& 9RU9F\FOHVDQGDUDQGRPGDWDSDWWHUQ  (IIHFWLYHZULWHEXIIHUVSHFLILFDWLRQLVEDVHGXSRQDE\WHZULWHEXIIHURSHUDWLRQ  ,QWKHSUHSURJUDPPLQJVWHSRIWKH(PEHGGHG(UDVHDOJRULWKPDOOZRUGVDUHSURJUDPPHGWRKEHIRUH6HFWRUDQG&KLSHUDVXUH  6\VWHPOHYHORYHUKHDGLVWKHWLPHUHTXLUHGWRH[HFXWHWKHEXVF\FOHVHTXHQFHIRUWKHSURJUDPFRPPDQG6HH7DEOH&RPPDQG'HILQLWLRQVIRUIXUWKHU LQIRUPDWLRQRQFRPPDQGGHILQLWLRQV Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 88 IS26KS128S/256S/512S IS26KL128S/256S/512S 13. ORDERING Rule for HyperFlash IS26KS 128 S - DP B L A200TR Packing Type %ODQN 7UD\ 75 7DSH 5HHO Model Number $GGLWLRQDO2UGHULQJ2SWLRQ  )%*$EDOOPPKHLJKW  '&$56)%*$EDOOPPKHLJKW TEMPERATURE RANGE , ,QGXVWULDOƒ&WRƒ& ( ([WHQGHGƒ&WRƒ& ( ([WHQGHGƒ&WRƒ& $ $XWRPRWLYH*UDGHƒ&WRƒ& $ $XWRPRWLYH*UDGHƒ&WRƒ& $ $XWRPRWLYH*UDGHƒ&WRƒ& PACKAGE Materials / /RZ+DORJHQ/HDG3EIUHH PACKAGE Type % %*$[PPSDFNDJHPPSLWFK 6SHHG '3 0+] '* 0+] '$ 0+] Device technology 6 QP0LUURU%LW3URFHVVWHFKQRORJ\ Density  0HJDELW  0HJDELW  0HJDELW (Call Factory) BASE PART NUMBER IS = Integrated Silicon Solution Inc. .6 9+\SHU)ODVK ./ 9+\SHU)ODVK IIntegrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 89 IS26KS128S/256S/512S IS26KL128S/256S/512S 14. ORDERING INFROMATION 256Mb HyperFlash Density 256Mb 256Mb, DCARS Voltage Speed (MHz) Package Temperature IS26KS256S-DPBLI00 1.8V 166 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C IS26KS256S-DPBLE00 1.8V 166 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C IS26KS256S-DPBLE100 1.8V 166 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C IS26KS256S-DPBLA100 1.8V 166 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C Automotive IS26KS256S-DPBLA200 1.8V 166 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C Automotive IS26KS256S-DPBLA300 1.8V 166 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C Automotive IS26KL256S-DABLI00 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C IS26KL256S-DABLE00 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C IS26KL256S-DABLE100 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C IS26KL256S-DABLA100 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C Automotive IS26KL256S-DABLA200 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C Automotive IS26KL256S-DABLA300 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C Automotive IS26KS256S-D*BLI03 1.8V 1 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C IS26KS256S-D*BLE03 1.8V 1 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C IS26KS256S-D*BLE103 1.8V 1 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C IS26KS256S-D*BLA103 1.8V 1 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C Automotive IS26KS256S-D*BLA203 1.8V 1 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C Automotive IS26KS256S-D*BLA303 1.8V 1 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C Automotive IS26KL256S-DABLI03 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C IS26KL256S-DABLE03 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C IS26KL256S-DABLE103 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C IS26KL256S-DABLA103 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C Automotive IS26KL256S-DABLA203 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C Automotive IS26KL256S-DABLA303 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C Automotive Ordering Part Number Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 Remarks 90 IS26KS128S/256S/512S IS26KL128S/256S/512S 128Mb HyperFlash Density 128Mb 128Mb, DCARS Voltage Speed (MHz) Package Temperature IS26KS128S-DPBLI00 1.8V 166 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C IS26KS128S-DPBLE00 1.8V 166 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C IS26KS128S-DPBLE100 1.8V 166 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C IS26KS128S-DPBLA100 1.8V 166 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C Automotive IS26KS128S-DPBLA200 1.8V 166 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C Automotive IS26KS128S-DPBLA300 1.8V 166 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C Automotive IS26KL128S-DABLI00 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C IS26KL128S-DABLE00 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C IS26KL128S-DABLE100 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C IS26KL128S-DABLA100 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C Automotive IS26KL128S-DABLA200 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C Automotive IS26KL128S-DABLA300 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C Automotive IS26KS128S-D*BLI03 1.8V 1 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C IS26KS128S-D*BLE03 1.8V 1 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C IS26KS128S-D*BLE103 1.8V 1 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C IS26KS128S-D*BLA103 1.8V 1 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C Automotive IS26KS128S-D*BLA203 1.8V 1 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C Automotive IS26KS128S-D*BLA303 1.8V 1 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C Automotive IS26KL128S-DABLI03 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C IS26KL128S-DABLE03 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C IS26KL128S-DABLE103 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C IS26KL128S-DABLA103 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 85°C Automotive IS26KL128S-DABLA203 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 105°C Automotive IS26KL128S-DABLA303 3.0V 100 24 VF-BGA, Pb-free & Halogen-free -40 to 125°C Automotive Ordering Part Number Remarks Note: 1. A1, A2, A3 : Meets AEC-Q100 requirements with PPAP Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 91 IS26KS128S/256S/512S IS26KL128S/256S/512S 15. PACKAGE DRAWING Integrated Silicon Solution, Inc.- www.issi.com Rev.A9 03/15/2021 92