ST24LW21, ST24LC21B Datasheet - STMicroelectronics

ST24LW21 1 Kbit x8 Dual Mode Serial EEPROM

The ST24LC21B, ST24LW21, ST24FC21, ST24FC21B and ST24FW21 are 1K bit electrically erasable programmable memory (EEPROM), organized in 128x8 bits. In the text, products are referred as ST24xy21, where "x" is either "L" for VESA 1 or "F" for VESA 2 compatible memories and where "y" indicates the Write.

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 WIRE SERIAL INTERFACE I2C BUS COMPATIBLE I2C PAGE WRITE (up to 8 Bytes) I2C BYTE, RANDOM and SEQUENTIAL READ MODES SELF TIMED PROGRAMMING C.

ST24LC21B-STMicroelectronics.pdf