ST24LC21B, ST24LW21 ST24FC21, ST24FC21B, ST24FW21
1 Kbit (x8) Dual Mode Serial EEPROM for VESA PLUG & PLAY
1 MILLION ERASE/WRITE CYCLES 40 YEARS DATA RETENTION 3.6V to 5.5V or 2.5V to 5.5V SINGLE SUPPLY VOLTAGE HARDWARE WRITE CONTROL (ST24LW21 and ST24FW21) TTL SCHMITT-TRIGGER on VCLK INPUT 100k / 400k Hz COMPATIBILITY with the I2C BUS BIT TRANSFER RANGE TWO...
