Datasheet
Serial EEPROM Series Standard EEPROM
SPI BUS EEPROM
BR25G640-3
General Description
BR25G640-3 is a 64Kbit 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 32 Bytes in Page Write Mode.
For SPI Bus Interface (CPOL, CPHA) = (0, 0), (1, 1)
Se.
SPI BUS EEPROM
Datasheet
Serial EEPROM Series Standard EEPROM
SPI BUS EEPROM
BR25G640-3
General Description
BR25G640-3 is a 64Kbit 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 32 Bytes 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)
: 0.5mA (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 L.