BR25A256-3M Datasheet, PDF (1/32 Pages) Rohm – Operation SPI BUS EEPROM

Datasheet
Serial EEPROM Series Automotive EEPROM
105℃ Operation SPI BUS EEPROM
BR25A256-3M
General Description
BR25A256-3M is a 256Kbit serial EEPROM of SPI BUS interface.
Features
 High Speed Clock Action up to 10MHz (Max)
 Wait Function by HOLDB Terminal
 Part or Whole of Memory Arrays Settable as
Read only Memory Area by Program
 2.5V to 5.5V Single Power Source Operation Most
Suitable for Battery Use
 Up to 64Byte in Page Write Mode.
 For SPI bus interface (CPOL, CPHA) = (0, 0), (1, 1)
 Self-timed Programming Cycle
 Low Current Consumption
 At Write Action (5V) : 0.7mA (Typ)
 At Read Action (5V) : 2.4mA (Typ)
 At Standby Action (5V) : 0.1µA (Typ)
 Address Auto Increment Function at Read Action
 Prevention of Write Mistake
 Write Prohibition at Power On
 Write Prohibition by Command Code (WRDI)
 Write Prohibition by WPB Pin
 Write Prohibition Block Setting by Status Registers
(BP1, BP0)
 Prevention of Write Mistake at Low Voltage
 More than 100 years Data Retention.
 More than 1 Million Write Cycles.
 Bit Format 32K×8
 Initial Delivery Data
Memory Array: FFh
Status Register: WPEN, BP1, BP0 : 0
Packages W(Typ) x D(Typ) x H(Max)
SOP- J8
4.90mm x 6.00mm x 1.65mm
TSSOP-B8
3.00mm x 6.40mm x 1.20mm
Figure 1.
○Product structure：Silicon monolithic integrated circuit
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©2014 ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥14ï½¥001
○This product is not designed protection against radioactive rays
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TSZ02201-0R1R0G100390-1-2
22.Dec.2014 Rev.003