Operation SPI BUS EEPROM
Datasheet
Serial EEPROM Series Automotive EEPROM
105°C Operation SPI BUS EEPROM
BR25A1M-3M
General Description
BR25A1M...
Description
Datasheet
Serial EEPROM Series Automotive EEPROM
105°C Operation SPI BUS EEPROM
BR25A1M-3M
General Description
BR25A1M-3M is a 1Mbit 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 256 Bytes in Page Write Mode
For SPI Bus Interface (CPOL, CPHA) = (0, 0), (1, 1)
Self-timed Programming Cycle
Low Current Consumption
¾ At Write Action (5V)
: 0.7mA (Typ)
¾ At Read Action (5V)
: 2.4mA (Typ)
¾ At Standby Action (5V)
: 0.1µA (Typ)
Address Auto Increment Function at Read Action
Prevention of Write Mistake
¾ Write Prohibition at Power On
¾ Write Prohibition by Command Code (WRDI)
¾ Write Prohibition by WPB Pin
¾ Write Prohibition Block Setting by Status Registers
(BP1, BP0)
¾ Prevention of Write Mistake at L...
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