Datasheet Summary
1Kb (x8) DUAL MODE SERIAL EEPROM for VESA Plug&Play
NOT FOR NEW DESIGN
1 MILLION ERASE/WRITE CYCLES 40 YEARS DATA RETENTION 2.5V to 5.5V SINGLE SUPPLY VOLTAGE 400k Hz PATIBILITY OVER the FULL RANGE of SUPPLY VOLTAGE TWO WIRE SERIAL INTERFACE I2C BUS PATIBLE PAGE WRITE (up to 8 BYTES) BYTE, RANDOM and SEQUENTIAL READ MODES SELF TIMED PROGRAMMING CYCLE AUTOMATIC ADDRESS INCREMENTING ENHANCED ESD/LATCH UP PERFORMANCES ST24LC21 is replaced by the ST24LC21B
8 1
PSDIP8 (B) 0.25mm Frame
8 1
SO8 (M)
Figure 1. Logic Diagram DESCRIPTION The ST24LC21 is a 1K bit electrically erasable programmable memory (EEPROM), organized by 8 bits.This device can operate in two modes: Transmit...
