General Description

BR24T256-W 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