BR25G256-3 Datasheet, PDF (1/35 Pages) Rohm – SPI BUS EEPROM

Datasheet
Serial EEPROM Series Standard EEPROM
SPI BUS EEPROM
BR25G256-3
General Description
BR25G256-3 is a 256Kbit serial EEPROM of SPI BUS interface.
Features
 High Speed Clock Action up to 20MHz (Max)
 Wait Function by HOLDB Terminal
 Part or Whole of Memory Arrays Settable as Read
only Memory Area by Program
 1.6V to 5.5V Single Power Source Operation Most
Suitable for Battery Use.
 UP to 64 Byte 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) : 0.6mA (Typ)
 At Read Action (5V) : 2.0mA (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)
DIP-T8
9.30mm x 6.50mm x 7.10mm
SOP- J8
4.90mm x 6.00mm x 1.65mm
SOP8
5.00mm x 6.20mm x 1.71mm
TSSOP-B8
3.00mm x 6.40mm x 1.20mm
Figure 1.
○Product structure：Silicon monolithic integrated circuit
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©2013 ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥14ï½¥001
○This product is not designed protection against radioactive rays
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TSZ02201-0R2R0G100640-1-2
04.Dec.2014 Rev.002