Serial EEPROM Series Industrial EEPROM
125℃ Operation SPI BUS EEPROM
This is the product guarantees long time support in Industrial market.
BR25H640F-2LB is a serial EEPROM of SPI BUS interface method.
Long Time Support a Product for Industrial
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 action most
suitable for battery use.
Page write mode useful for initial value write at
For SPI bus interface (CPOL, CPHA)=(0, 0), (1, 1)
Self-timed programming cycle.
Low Supply Current
At write operation (5V): 1.1mA (Typ.)
At read operation (5V) : 1.0mA (Typ.)
At standby operation (5V): 0.1μA (Typ.)
Address auto increment function at read operation
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
Prevention of write mistake at low voltage.
Initial delivery state: FFh, status register
WPEN, BP1, BP0 : 0
More than 100 years data retention.
More than 1 million write cycles.
W(Typ.) x D(Typ.) x H(Max.)
5.00mm x 6.20mm x 1.71mm
Number of pages
Capacity Bit format
2.5V to 5.5V
〇Product structure : Silicon monolithic integrated circuit
©2013 ROHM Co., Ltd. All rights reserved.
〇This product has no designed protection against radioactive rays