BU9794KV-E2

LCD Segment Drivers Standard Segment Drivers BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV No.10044EAT05 ●Description ROHM standard function segment driver series achieve “Ultra-Low power consumption”. Also these drivers need not external components. And this driver series is very simple that only has segment driver function. So, this driver series are very suitable to add in LCD display function for various applications. ●Features 1) 2wire serial interface (BU9796FS, BU9799KV) 2) 3wire serial interface (BU9794KV, BU9795AKV/FV/GUW) 3) Integrated RAM for display data (DDRAM) 4) Power supply circuit for LCD driving 1/2, 1/3Bias selectable 1/4Duty Integrated Buffer AMP 5) Integrated Oscillation circuit 6) Integrated Power-on Reset circuit 7) No external components 8) Support blink function 9) Support standby mode 10) Low voltage / Ultra low power consumption design 11) Support EVR function (BU9799KV) 12) Support unity voltage supply (BU9795AKV/FV/GUW, BU9796FS) 13) Support Independent power supply circuit for LCD driving (BU9794KV, BU9799KV) ●Applications Telephone, FAX, Portable equipment (POS, ECR, PDA etc.), DSC, DVC, Car Audio, Home electrical appliance, Meter equipment, Healthcare equipment etc. ●Line up matrix Parameter BU9796FS BU9795A KV FV GUW BU9794KV BU9799KV Segment output 20 35 27 31 50 50 Common output Total display dot number Adjustable contrast function 4 4 4 4 4 4 80 140 108 124 200 200 - - - - - Yes Support split voltage supply - - - - Yes Yes Interface 2wire 3wire 3wire 3wire 3wire 2wire Package SSOP-A32 VQFP48C SSOP-B40 VBGA48W040 VQFP64 VQFP64 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 1/16 2010.04 - Rev.A Technical Note BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV ●Absolute maximum ratings (VSS=0V) BU9795AKV /FV/GUW BU9796FS Parameter Power Supply Voltage 1 (VDD) BU9794KV BU9799KV Unit -0.5~+7.0 Power Supply Voltage 2 (VLCD) -0.5 ~ VDD -0.5 ~ VDD -0.5 ~ +7.0 Remarks V Power supply -0.5 ~ +7.0 V LCD drive Voltage 0.75*5 W Allowable loss at package only *2 Allowable Loss (Pd) 0.6 0.7*3 0.27*4 *1 0.64 Input Voltage Range (VIN) -0.5 ~ VDD+0.5 V -40 ~ -85 °C -55 ~ +125 °C Operational Temperature Range (Topr) Storage Temperature Range (Tstg) *1 *2 *3 *4 *5 *5 0.75 When use more than Ta=25°C, subtract 6.4mW per degree When use more than Ta=25°C, subtract 6.0mW per degree (BU9795AKV) When use more than Ta=25°C, subtract 7.0mW per degree (BU9795AFV) When use more than Ta=25°C, subtract 2.7mW per degree (BU9795AGUW) When use more than Ta=25°C, subtract 7.5mW per degree ●Recommend operating conditions (Ta=-40~85°C, VSS=0V) Parameter BU9796FS MIN *1 TYP MAX BU9795AKV /FV/GUW*1 MIN TYP MAX Power Supply Voltage 1 (VDD) 2.5 - 5.5 2.5 - Power Supply Voltage 2 (VLCD) 0 - VDD -2.4 0 - *1 BU9794KV MIN TYP MAX BU9799KV MIN Unit Remarks TYP MAX 2.5 - 5.5 2.5 - 5.5 V Power supply VDD 2.5 -2.4 - 5.5 2.5 - 5.5 V LCD drive Voltage 5.5 Please use VDD-VLCD  2.4V condition. www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 2/16 2010.04 - Rev.A BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV Technical Note ●Electrical characteristics DC Characteristics (VDD=2.5~5.5V, VLCD=0V, VSS=0V, Ta=-40~85C, unless otherwise specified) Limits Parameter Symbol Unit Condition MIN TYP MAX “H” level input voltage VIH 0.7VDD - VDD V “L” level input voltage VIL VSS - 0.3VDD V “H” level input current IIH - - 1 µA “L” level input current IIL -1 - - µA SEG RON - 3 - kΩ COM RON - 3 - kΩ VLCD supply voltage VLCD 0 - VDD - 2.4 V VDD-VLCD  2.4V Standby current IDD1 - - 5 µA Display off, Oscillation off Power consumption IDD2 - 12.5 30 µA VDD=3.3V, VLCD=0V, Ta=25°C Power save mode SR = Power save mode1, Power save mode FR = Power save mode1 1/3 bias, Frame inverse LCD Driver on resistance Iload=±10µA Oscillation Characteristics (VDD=2.5~5.5V, VSS=0V, Ta=-40~85C, unless otherwise specified) Limits Parameter Symbol Unit Condition MIN TYP MAX Frame frequency fCLK 56 80 104 Hz Power save mode FR = Normal mode MPU interface Characteristics (VDD=2.5~5.5V, VLCD=0V, VSS=0V, Ta=-40~85C, unless otherwise specified) Limits Parameter Symbol Unit Condition MIN. TYP. MAX. Input rise time tr - - 0.3 µs Input fall time tf - - 0.3 µs SCL cycle time tSCYC 2.5 - - µs “H” SCL pulse width tSHW 0.6 - - µs “L” SCL pulse width tSLW 1.3 - - µs SDA setup time tSDS 100 - - ns SDA hold time tSDH 100 - - ns Buss free time tBUF 1.3 - - µs START condition hold time tHD;STA 0.6 - - µs START condition setup time tSU;STA 0.6 - - µs STOP condition setup time tSU;STO 0.6 - - µs SDA tf tr tSLW tBUF tSCYC S CL tHD;STA tr tSDH tSHW tSDS SDA tSU;STO tSU;STA Fig.1 Interface timing (BU9796FS) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 3/16 2010.04 - Rev.A BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV DC Characteristics (VDD=2.5~5.5V, VSS=0V, Ta=-40~85C, unless otherwise specified) Limits Parameter Symbol Unit MIN TYP MAX Technical Note Condition “H” level input voltage VIH 0.7VDD - VDD V “L” level input voltage VIL VSS - 0.3VDD V “H” level input current IIH - - 1 µA “L” level input current IIL -1 - - µA SEG RON - 3.5 - kΩ COM RON - 3.5 - kΩ VLCD 0 - VDD -2.4 V VDD-VLCD  2.5V Ist - - 5 µA Display off, Oscillator off Power consumption 1 IDD1 - 12.5 30 µA VDD=3.3[V], Ta=25°C, Power save mode1, FR=70Hz 1/3 bias, Frame inverse Power consumption 2 IDD2 - 20 40 µA VDD=3.3[V], Ta=25°C, Normal mode, FR=80Hz 1/3 bias, Line inverse LCD Driver on resistance VLCD supply voltage Standby current Oscillation Characteristics (VDD=2.5~5.5V，VSS=0V, Ta=-40~85C) Limits Parameter Symbol MIN TYP MAX Iload=±10µA Unit Condition Frame frequency fCLK 56 80 104 Hz FR = 80Hz setting Frame frequency1 fCLK1 70 80 90 Hz VDD=3.5V, 25C MPU interface Characteristics(VDD=2.5V~5.5V，VSS=0V, Ta=-40~85C) Limits Unit Parameter Symbol MIN TYP MAX Input rise time tr Input fall time - - 80 Condition ns tf - - 80 ns SCL cycle time tSCYC 400 - - ns “H” SCL pulse width tSHW 100 - - ns “L” SCL pulse width tSLW 100 - - ns SD setup time tSDS 20 - - ns SD hold time tSDH 50 - - ns CSB setup time tCSS 50 - - ns CSB hold time tCSH 50 - - ns “H” CSB pulse width tCHW 50 - - ns tCHW CSB tCSS tf tSCYC tr tCSH tSLW SCL tSHW tSDS tSDH SD Fig.2 Interface Timing (BU9795AKV/FV/GUW) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 4/16 2010.04 - Rev.A BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV Technical Note DC Characteristics (VDD=2.5~5.5V, VLCD=2.5~5.5V, VSS=0V, Ta=-40~85C, unless otherwise specified) Limits Parameter Symbol Unit Condition MIN TYP MAX “H” level input voltage VIH 0.8VDD - VDD V SD,SCL,CSB “L” level input voltage VIL VSS - 0.2VDD V SD,SCL,CSB “H” level input current IIH - - 1 µA SD,SCL,CSB “L” level input current IIL -1 - - µA SD,SCL,CSB SEG RON - 3.5 - kΩ COM RON - 3.5 - kΩ Ist - - 5 µA Display off, Oscillation off Power consumption 1 IDD - 5 15 µA VDD=3.3V, VLCD=5V, Ta=25°C Power save mode1, FR=70Hz 1/3 bias, Frame inverse Power consumption 2 ILCD - 10 20 µA VDD=3.3V, VLCD=5V, Ta=25°C Power save mode1, FR=70Hz 1/3 bias, Frame inverse LCD Driver on resistance Standby current Iload=±10µA Oscillation Characteristics (VDD=2.5~5.5V, VLCD=2.5~5.5V, VSS=0V, Ta=-40~85C, unless otherwise specified) Limits Parameter Symbol Unit Condition MIN TYP MAX Frame frequency fCLK 68 80 92 Hz FR = 80Hz setting, VDD=3.3V MPU interface Characteristics (VDD=2.5~5.5V, VLCD=2.5~5.5V, VSS=0V, Ta=-40~85C, unless otherwise specified) Limits Parameter Symbol Unit Condition MIN. TYP. MAX. Input rise time tr - - 80 ns Input fall time tf - - 80 ns SCL cycle time tSCYC 400 - - ns “H” SCL pulse width tSHW 100 - - ns “L” SCL pulse width tSLW 100 - - ns SD setup time tSDS 20 - - ns SD hold time tSDH 50 - - ns CSB setup time tCSS 50 - - ns CSB hold time tCSH 50 - - ns “H” CSB pulse time tCHW 50 - - ns tCHW CSB tCSS tCSH tr tf tSCYC tSLW SCL tSHW tSDS tSDH SD Fig.3 Interface Timing (BU9794KV) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 5/16 2010.04 - Rev.A BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV Technical Note DC Characteristics (VDD=2.5~5.5V, VLCD=2.5~5.5V, VSS=0V, Ta=-40~85C, unless otherwise specified) Limits Parameter Symbol Unit Condition MIN TYP MAX “H” level input voltage VIH 0.8VDD - VDD V SDA,SCL “L” level input voltage VIL VSS - 0.2VDD V SDA,SCL “H” level input current IIH - - 1 µA SDA,SCL SDA,SCL “L” level input current LCD Driver on resistance IIL -1 - - µA SEG RON - 3.5 - kΩ COM RON - 3.5 - kΩ Ist - - 5 µA Display off, Oscillation off Standby current Iload=±10µA Power consumption 1 IDD - 2.5 15 µA VDD=3.3V, VLCD=5V, Ta=25°C Power save mode1, FR=70Hz 1/3 bias, Frame inverse Power consumption 2 ILCD - 10 20 µA VDD=3.3V, VLCD=5V, Ta=25°C Power save mode1, FR=70Hz 1/3 bias, Frame inverse Oscillation Characteristics (VDD=2.5~5.5V, VLCD=2.5~5.5V, VSS=0V, Ta=-40~85C, unless otherwise specified) Limits Parameter Symbol Unit Condition MIN TYP MAX Frame frequency fCLK 56 80 104 Hz FR = 80Hz setting, VDD=3.3V MPU interface Characteristics (VDD=2.5~5.5V, VLCD=2.5~5.5V, VSS=0V, Ta=-40~85C, unless otherwise specified) Limits Parameter Symbol Unit Condition MIN TYP MAX Input rise time tr Input fall time - - 0.3 µs tf - - 0.3 µs SCL cycle time tSCYC 2.5 - - µs “H” SCL pulse width tSHW 0.6 - - µs “L” SCL pulse width tSLW 1.3 - - µs SDA setup time tSDS 100 - - µs SDA hold time tSDH 100 - - µs Buss free time tBUF 1.3 - - µs START condition hold time tHD;STA 0.6 - - µs START condition setup time tSU;STA 0.6 - - µs STOP condition setup time 0.6 - - µs tSU;STO SDA tBUF tf tSLW tSCYC SCL tHD;STA tr tSDH tSHW tSDS SDA tSU;STO tSU;STA Fig.4 interface timing (BU9799KV) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 6/16 2010.04 - Rev.A Technical Note BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV ●Block Diagram / Pin Arrangement / Terminal Description ●Block Diagram SDA SCL OSCIN TEST 2 TEST 1 VSS VDD VLCD COM 3 COM 2 COM 1 COM 0 SEG 19 SEG 18 SEG 5 SEG 6 SEG 7 SEG 8 SEG 9 SEG 10 SEG 11 SEG 12 SEG 13 SEG 14 SEG 15 SEG 16 SEG 17 Segment driver SEG0 common driver SEG 4 SEG 1 VDD LCD voltage generator ●Pin Arrangement SEG0……SEG19 SEG 3 COM0……COM3 ＋ LCD BIAS SELECTOR － common counter ＋ － blink timing generator DDRAM Command Data Decoder Command register OSCIN OSCILLATOR Power On Reset serial inter face SEG 2 VLCD IF FILTER VSS SDA SCL Fig.5 Block Diagram (BU9796FS) Fig.6 Pin Arrangement (BU9796FS) ●Terminal Description Terminal TEST1 Terminal No. I/O 26 I Test input (ROHM use only) Must be connect to VSS Function TEST2 27 I Test input (ROHM use only) TEST2=”L”: POR circuit enable TEST2=”H”: POR circuit disenable, refer to “Cautions in Power ON/OFF” OSCIN 28 I External clock input Ext clock and Int clock can be selected by command. Must be connect to VSS when use internal oscillation circuit. SDA 30 I/O serial data in-out terminal SCL 29 I serial data transfer clock VSS 25 GND VDD 24 Power supply VLCD 23 Power supply for LCD driving SEG0-19 31,32 1-18 O SEGMENT output for LCD driving COM0-3 19-22 O COMMON output for LCD driving www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 7/16 2010.04 - Rev.A Technical Note BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV ●Block Diagram ●Pin Arrangement COM1 ＋ LCD BIAS SELECTOR － common counter ＋ － blink timing generator DDRAM VLCD INHb Command Data Decoder Command register OSCIN SEG25 SEG24 25 SEG26 SEG27 SEG28 SEG29 SEG30 Segment driver SEG31 common driver SEG32 LCD voltage generator SEG33 VDD SEG34 SEG0……SEG34 36 COM0 COM0……COM3 37 24 SEG23 COM2 SEG22 COM3 SEG21 VLCD SEG20 VDD SEG19 VSS SEG18 OSCIN SEG17 CSB SEG16 SCL SEG15 SD SEG14 TEST OSCILLATOR Power On Reset INHb serial inter face SEG13 SEG12 13 48 SD SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 1 CSB SEG1 SEG0 TEST SEG11 12 IF FILTER VSS SCL Fig.7 Block Diagram (BU9795AKV) Fig.8 Pin Arrangement (BU9795AKV) ●Terminal Description Terminal Terminal No. I/O Function INHb 48 I TEST 47 I OSCIN 43 I External clock input Ext clock and Int clock can be changed by command. Must be connect to VSS when use internal oscillation circuit. SD 46 I serial data input SCL 45 I serial data transfer clock CSB 44 I Chip select : VSS 42 GND VDD 41 Power supply VLCD 40 Power supply for LCD driving Input terminal for turn off display H: turn on display L: turn off display Test input (ROHM use only) Must be connect to VSS “L” active SEG0-34 1-35 O SEGMENT output for LCD driving COM0-3 36-39 O COMMON output for LCD driving www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 8/16 2010.04 - Rev.A Technical Note BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV ●Block Diagram ●Pin Arrangement COM0……COM3 SEG4……SEG30 common driver Segment driver SEG28 SEG29 COM0 SEG30 COM1 COM2 VLCD COM3 VDD VSS CSB OSCIN SDA SCL INHb TEST SEG5 SEG4 SEG6 LCD voltage generator SEG7 VDD 40 21 1 20 ＋ LCD BIAS SELECTOR blink timing generator SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG8 VLCD SEG12 DDRAM SEG11 － SEG10 common counter ＋ SEG9 － INHb Command Data Decoder Command register OSCIN OSCILLATOR Power On Reset serial inter face IF FILTER VSS TEST CSB SD SCL Fig.9 Block Diagram (BU9795AFV) Fig.10 Pin Arrangement (BU9795AFV) ●Terminal Description Terminal Terminal No. I/O INHb 36 I TEST 35 I OSCIN 31 I External clock input Ex clock and Int clock can be changed by command. Must be connect to VSS when use internal oscillation circuit. SD 34 I serial data input SCL 33 I serial data transfer clock CSB 32 I Chip select : “L” active VSS 30 GND VDD 29 Power supply VLCD 28 I Power supply for LCD driving SEG4-30 1-23, 37-40 O SEGMENT output for LCD driving COM0-3 24-27 O COMMON output for LCD driving www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. Function Input terminal for turn off display H: turn on display L: turn off display Test input (ROHM use only) Must be connect to VSS 9/16 2010.04 - Rev.A BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV ●Block Diagram Technical Note ●Pin Arrangement COM0……COM3 SEG2……SEG32 common driver Segment driver VDD LCD voltage generator 1 2 3 4 5 6 7 G (NC) SEG13 SEG15 SEG18 SEG20 SEG22 (NC) F SEG11 SEG12 SEG16 SEG17 SEG21 SEG23 SEG24 E SEG9 SEG10 SEG14 SEG19 SEG25 SEG27 SEG26 D SEG7 SEG6 SEG8 SEG5 SEG30 SEG28 SEG29 C SEG4 SEG3 SEG2 CSB COM3 SEG32 SEG31 INHb SD VSS VDD COM1 COM0 TEST2 SCL OSCIN VLCD COM2 (NC) ＋ LCD BIAS SELECTOR － common counter ＋ － blink timing generator DDRAM VLCD INHb Command Data Decoder Command register OSCIN OSCILLATOR B Power On Reset serial inter face A IF FILTER VSS TEST CSB SD (NC) SCL Fig.11 Block Diagram (BU9795AGUW) Fig.12 Pin Arrangement (BU9795AGUW) ●Terminal Description Terminal I/O Function Input terminal for turn off display H: turn on display L: turn off display Test input (ROHM use only) Must be connect to VSS INHb I TEST I OSCIN I External clock input Ex clock and Int clock can be changed by command. Must be connect to VSS when use internal oscillation circuit. SD I serial data input SCL I serial data transfer clock CSB I Chip select : VSS GND VDD Power supply “L” active VLCD I Power supply for LCD driving SEG2-32 O SEGMENT output for LCD driving COM0-3 O COMMON output for LCD driving (Caution) About terminal number, please refer to above pin arrangement www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 10/16 2010.04 - Rev.A Technical Note BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV ●Block Diagram ●Pin Arrangement COM0……COM3 SEG0……SEG49 ＋ SEG38 － LCD BIAS SELECTOR common counter ＋ － blink timing generator DDRAM VSS INHb Command Data Decoder Command register OSCIN OSCILLATOR Power On Reset serial inter face SEG23 SEG22 33 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG33 SEG34 Segment driver SEG35 common driver SEG36 LCD voltage generator 48 SEG37 VLCD 49 32 SEG21 SEG39 SEG20 SEG40 SEG19 SEG41 SEG18 SEG42 SEG17 SEG43 SEG16 SEG44 SEG15 SEG45 SEG14 SEG46 SEG13 SEG47 SEG12 SEG48 SEG11 SEG49 SEG10 COM0 SEG9 COM1 SEG8 COM2 COM3 VDD SEG7 SEG6 17 64 Fig.13 Block Diagram (BU9794KV) SEG4 SEG3 SEG2 SEG1 SEG0 INHb SD SCL CSB TEST2 SCL TEST1 SD OSCIN CSB VSS 1 TEST1 VDD VLCD TEST2 SEG5 16 IF FILTER VSS Fig.14 Pin Arrangement (BU9794KV) ●Terminal Description Terminal Terminal No. I/O Function INHb 8 I TEST1 9 I TEST2 10 I OSCIN 4 I External clock input Ex clock and Int clock can be changed by command. Must be connect to VSS when use internal oscillation circuit. SD 7 I serial data input SCL 6 I serial data transfer clock CSB 5 I Chip select : VSS 3 GND VDD 2 Power supply VLCD 1 Power supply for LCD driving Input terminal for turn off display H: turn on display, L: turn off display Test input (ROHM use only) Must be connect to VSS Test input (ROHM use only) Must be connect to VSS “L” active SEG0-49 11-60 O SEGMENT output for LCD driving COM0-3 61-64 O COMMON output for LCD driving www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 11/16 2010.04 - Rev.A Technical Note BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV ●Block Diagram ●Pin Arrangement COM0……COM3 SEG0……SEG49 SEG23 SEG22 33 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG33 SEG34 Segment driver SEG35 common driver 48 SEG37 LCD voltage generator SEG36 VLCD ＋ － SEG38 LCD BIAS SELECTOR ＋ － common counter ＋ blink timing generator DDRAM － VSS INHb Command Data Decoder Command register OSCIN OSCILLATOR Power On Reset 49 32 SEG21 SEG39 SEG20 SEG40 SEG19 SEG41 SEG18 SEG42 SEG17 SEG43 SEG16 SEG44 SEG15 SEG45 SEG14 SEG46 SEG13 SEG47 SEG12 SEG48 SEG11 SEG49 SEG10 COM0 SEG9 COM1 SEG8 COM2 serial interface COM3 SEG7 SEG6 17 64 TEST3 TEST2 TEST1 SDA SEG4 SEG3 SEG2 SEG1 SEG0 TEST2 TEST1 SDA INHb SCL TEST3 OSCIN VSS VDD VLCD 1 IF FILTER VSS SEG5 16 VDD SCL Fig.15 Block Diagram (BU9799KV) Fig.16 Pin Arrangement (BU9799KV) ●Terminal Description Terminal INHb Terminal No. I/O Function 8 I Input terminal for turn off display H: turn on display L: turn off display Test input (ROHM use only) TEST1=”L”: POR circuit enable TEST1=”H”: POR circuit disenable, refer to “Cautions in Power ON/OFF” TEST1 9 I TEST2 10 I TEST3 5 I OSCIN 4 I External clock input Ex clock and Int clock can be changed by command. Must be connect to VSS when use internal oscillation circuit. SDA 7 I serial data input SCL 6 I serial data transfer clock VSS 3 GND VDD 2 Power supply VLCD 1 Power supply for LCD driving Test input (ROHM use only) Must be connect to VSS Test input (ROHM use only) Must be connect to VSS SEG0-49 11-60 O SEGMENT output for LCD driving COM0-3 61-64 O COMMON output for LCD driving www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 12/16 2010.04 - Rev.A BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV Technical Note ●IO Equivalent Circuit VDD VDD VLCD VSS VSS SDA SCL VSS VSS VDD VDD TEST1 TEST2 VSS VSS VDD VDD OSCIN SEG/COM VSS VSS Fig.17 I/O equivalent circuit (BU9796FS) VDD VDD VLCD TEST VSS VSS VDD VDD CSB, SD, SCL OSCIN VSS VSS VDD VDD INHb VSS VSS Fig.18 I/O equivalent circuit (BU9795AKV/FV/GUW) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 13/16 2010.04 - Rev.A BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV Technical Note VDD VLCD VSS VSS VDD VLCD CSB, SD, SCL INHb,TEST1,TEST2 SEG/COM VSS VLCD VDD OSCIN VSS Fig.19 I/O equivalent circuit (BU9794KV) VDD VLCD VSS VSS SDA SCL VSS VSS VDD VLCD OSCIN SEG/COM VSS VSS VDD TEST3 VSS Fig.20 I/O equivalent circuit (BU9799KV) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 14/16 2010.04 - Rev.A BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV Technical Note ●Ordering part number B U 9 Part No. 7 9 6 F Part No. BU9794 BU9795A BU9796 BU9799 S - Package E 2 Packaging and forming specification FS: SSOP-A32 E2: Embossed tape and reel FV: SSOP-B40 GUW:VBGA048W040 KV: VQFP48C KV: VQFP64 SSOP-A32 13.6 ± 0.2 (MAX 13.95 include BURR) 17 Tape Embossed carrier tape Quantity 2000pcs Direction of feed 0.3MIN 5.4±0.2 7.8±0.3 32 1 E2 The direction is the 1pin of product is at the upper left when you hold ( reel on the left hand and you pull out the tape on the right hand ) 16 1.8±0.1 0.15 ± 0.1 0.11 0.36 ± 0.1 0.1 0.8 1pin Reel (Unit : mm) Direction of feed ∗ Order quantity needs to be multiple of the minimum quantity. SSOP-B40 13.6 ± 0.2 (MAX 13.95 include BURR) 0.5 ± 0.2 1 2000pcs Direction of feed E2 The direction is the 1pin of product is at the upper left when you hold ( reel on the left hand and you pull out the tape on the right hand ) 20 0.15 ± 0.1 0.1 1.8 ± 0.1 Embossed carrier tape Quantity 21 5.4 ± 0.2 7.8 ± 0.3 40 Tape 0.1 S 0.65 0.22 ± 0.1 0.08 M 1pin Reel (Unit : mm) Direction of feed ∗ Order quantity needs to be multiple of the minimum quantity. VBGA048W040 4.0 ± 0.1 4.0±0.1 P=0.5×6 A 0.5 G F E D C B A B 2500pcs Direction of feed E2 The direction is the 1pin of product is at the upper left when you hold ( reel on the left hand and you pull out the tape on the right hand ) S 0.5 P=0.5 × 6 0.08 S 0.5±0.1 48- φ 0.295±0.05 φ 0.05 M S AB Embossed carrier tape (with dry pack) Quantity 0.5 ± 0.1 0.10 0.9MAX 1PIN MARK Tape 12 3 4 5 6 7 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 1pin (Unit : mm) Reel 15/16 Direction of feed ∗ Order quantity needs to be multiple of the minimum quantity. 2010.04 - Rev.A BU9796FS,BU9795AKV,BU9795AFV,BU9795AGUW,BU9794KV,BU9799KV Technical Note VQFP48C 9.0 ± 0.2 7.0 ± 0.1 25 36 Embossed carrier tape Quantity 1500pcs 0.5±0.15 0.75 48 13 1 0.75 12 1.0±0.2 24 7.0±0.1 9.0±0.2 37 Tape Direction of feed E2 direction is the 1pin of product is at the upper left when you hold ( The ) reel on the left hand and you pull out the tape on the right hand +0.05 0.145 -0.03 1.6MAX 1PIN MARK 0.1±0.05 1.4±0.05 4 +6 -4 0.5 ± 0.1 0.08 S +0.05 0.22 -0.04 0.08 Direction of feed 1pin M Reel (Unit : mm) ∗ Order quantity needs to be multiple of the minimum quantity. VQFP64 12.0±0.2 10.0±0.1 48 33 1 1.0±0.2 0.5±0.15 1.25 17 64 1000pcs Direction of feed E2 direction is the 1pin of product is at the upper left when you hold ( The ) reel on the left hand and you pull out the tape on the right hand 16 1PIN MARK +0.05 0.145 -0.03 1.6MAX 1.25 Embossed carrier tape (with dry pack) Quantity 32 10.0±0.1 12.0±0.2 49 Tape 0.1±0.05 1.4±0.05 4 +6 -4 0.08 S +0.05 0.2 -0.04 0.08 M 1pin 0.5±0.1 (Unit : mm) www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. Reel 16/16 Direction of feed ∗ Order quantity needs to be multiple of the minimum quantity. 2010.04 - Rev.A Notice Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products specified in this document are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuelcontroller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact us. ROHM Customer Support System http://www.rohm.com/contact/ www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. R1010A