General Description

BR24T128-W series is a serial EEPROM of I2C BUS Interface Method

Features

■ Completely conforming to the world standard I2C

BUS.

All controls available by 2 ports of serial clock

(SCL) and serial data (SDA)

■ Other devices than EEPROM can be connected to

the same port, saving microcontroller port

■ 1.6V to 5.5V Single Power Source Operation most

suitable for battery use

■ 1.6V to 5.5V wide limit of operating voltage, possible

FAST MODE 400KHz operation

■ Page Write Mode useful for initial value write at

factory shipment

■ Self-timed Programming Cycle

■ Low Current Consumption

■ Prevention of Write Mistake

➤ Write (Write Protect) Function Added

➤ Prevention of Write Mistake at Low Voltage

■ More than 1 million write cycles

■ More than 40 years data retention

■ Noise filter built in SCL / SDA terminal

■ Initial delivery state FFh