General Description
BR25G128-3 is a 128Kbit 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 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 Low Voltage
■ More than 100 years Data Retention.
■ More than 1 Million Write Cycles.
■ Bit Format 16K× 8
■ Initial Delivery Data
   Memory Array: FFh
   Status Register: WPEN, BP1, BP0 : 0