BR25L640-W

High Reliability Serial EEPROMs SPI BUS Serial EEPROMs BR25□□□□family BR25L010-W series, BR25L020-W series, BR25L040-W series, BR25L080-W series, BR25L160-W series, BR25L320-W series, BR25L640-W series Description BR25L -W series is a serial EEPROM of SPI BUS interface method. Features · · · · · · · · · Page write · · Number of pages 16 Byte BR25L010-W 32 Byte BR25L080-W BR25L160-W BR25L320-W BR25L640-W Product number BR25L020-W BR25L040-W · · · · *1 BR25L080/160-W : SOP8, SOP-J8, SSOP-B8, TSSOP-B8 *2 BR25L320/640-W : SOP8, SOP-J8 BR25L series Capacity 1Kbit 2Kbit 4Kbit 8Kbit 16Kbit 32Kbit 64Kbit Bit format 128 X 8 256 X 8 512 X 8 1K X 8 2K X 8 4K X 8 8K X 8 Type BR25L010-W BR25L020-W BR25L040-W BR25L080-W BR25L160-W BR25L320-W BR25L640-W Power source voltage SOP8 F SOP-J8 FJ SSOP-B8 FV TSSOP-B8 FVT MSOP8 FVM TSSOP-B8J FVJ 1.8 ~ 5.5V 1.8 ~ 5.5V 1.8 ~ 5.5V 1.8 ~ 5.5V 1.8 ~ 5.5V 1.8 ~ 5.5V 1.8 ~ 5.5V www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 1/16 2010.07 - Rev. B BR25L010-W, BR25L020-W, BR25L040-W, BR25L080-W, BR25L160-W, BR25L320-W, BR25L640-W Recommended action conditions Unit V *1 *2 *3 Technical Note Absolute maximum ratings (Ta = 25˚C) Parameter Impressed voltage Symbol VCC Limits -0.3 ~ +6.5 450(SOP8) 450(SOP-J8) Parameter Power source voltage Input voltage Symbol VCC Vin Limits 1.8 ~ 5.5 0 ~ VCC Unit V Permissible dissipation Pd 300(SSOP-B8) 310(MSOP8) 310(TSSOP-B8J) mW Memory cell characteristics (Ta=25˚C, VCC=1.8 ~ 5.5V) Parameter Number of data rewrite times Data hold years *1 *1 330(TSSOP-B8) *4 *5 *6 Min. 1,000,000 40 Limits Typ. Max. Unit Times Years – – – – Storage temperature range Operating temperature range Tstg Topr Terminal voltage – -65 ~ +125 -40 ~ +85 -0.3 ~ VCC+0.3 ˚C ˚C V *1:Not 100% TESTED Input / output capacity (Ta=25˚C, frequency=5MHz) Parameter Input capacity *1 Output capacity *1 Symbol Conditions CIN VIN=GND COUT VOUT=GND Min. When using at Ta = 25˚C or higher, 4.5mW (*1, *2), 3.0mW (*3), 3.3mW(*4), 3.1mW (*5, *6) to be reduced per 1˚C – – Max. 8 8 Unit pF pF *1:Not 100% TESTED Electrical characteristics (Unless otherwise specified, Ta = – 40 ~ +85˚C, VCC = 1.8 ~ 5.5V) Parameter "H" input voltage 1 "L" input voltage 1 "L" output voltage 1 "L" output voltage 2 "H" output voltage 1 "H" output voltage 2 Input leak current Output leak current Symbol VIH1 VIL1 VOL1 VOL2 VOH1 VOH2 ILI ILO ICC1 Limits Typ. Min. 0.7x – VCC -0.3 0 0 VCC -0.5 VCC -0.2 -1 -1 Max. VCC +0.3 0.3x VCC 0.4 0.2 VCC VCC 1 1 1.0 Unit V V V V V V μA μA mA 1.8≤VCC≤5.5V 1.8≤VCC≤5.5V IOL=2.1mA(VCC=2.5V ~ 5.5V) IOL=150μA(VCC=1.8V ~ 2.5V) IOH=-0.4mA(VCC=2.5V ~ 5.5V) IOH=-100μA(VCC=1.8V ~ 2.5V) VIN=0 ~ VCC VOUT=0 ~ VCC,CS=VCC VCC=1.8V,fSCK=2MHz,tE/W=5ms Byte write Page write Write status register VCC=2.5V,fSCK=5MHz,tE/W=5ms Byte write Page write Write status register VCC=5.5V,fSCK=5MHz,tE/W=5ms Byte write Page write Write status register VCC=2.5V,fSCK=5MHz Read Read status register VCC=5.5V,fSCK=5MHz Read Read status register VCC=5.5V CS=HOLD=WP=VCC,SCK=SI=VCC or =GND,SO=OPEN • Radiation resistance design is not made. Conditions – – – – – – – – – Current consumption at write action ICC2 – – 2.0 mA ICC3 – – 3.0 mA ICC4 Current consumption at read action ICC5 Standby current ISB – – 1.5 mA – – – – 2.0 2 mA μA Block diagram CS INSTRUCTION DECODE CONTROL CLOCK SCK GENERATION WRITE INHIBITION HIGH VOLTAGE GENERATOR VOLTAGE DETECTION SI INSTRUCTION REGISTER ADDRESS REGISTER ADDRESS DECODER STATUS REGISTER 7~1 *1 3bit HOLD 7~13bit *1 1K~64K EEPROM 8bit WP DATA REGISTER 8bit READ/WRITE AMP *1 7bit : BR25L010-W 8bit : BR25L020-W 9bit : BR25L040-W 10bit : BR25L080-W 11bit : BR25L160-W 12bit : BR25L320-W 13bit : BR25L640-W SO Fig.1 Block diagram www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. 2/16 2010.07 - Rev. B BR25L010-W, BR25L020-W, BR25L040-W, BR25L080-W, BR25L160-W, BR25L320-W, BR25L640-W Pin assignment and description VCC HOLD SCK SI Technical Note Terminal name Input/output VCC GND CS SCK SI SO Function Power source to be connected All input / output reference voltage, 0V Chip select input Serial clock input Start bit, ope code, address, and serial data input Serial data output Hold input Command communications may be suspended temporarily (HOLD status). Write protect input Write command is prohibited.*1 Write status register command is prohibited. *1:BR25L010/020/040-W – – Input Input Input Output Input Input BR25L010-W BR25L020-W BR25L040-W BR25L080-W BR25L160-W BR25L320-W BR25L640-W CS SO WP GND HOLD WP Fig. 2 Pin assignment diagram Operating timing characteristics (Ta = -40 ~ +85˚C, unless otherwise specified, load capacity CL1 100pF) Parameter Symbol 1.8≤VCC