10.10. 24LC21
10.10.1. General Description
The 24LC21 is a 1K bit electrically erasable programmable memory (EEPROM), organized by 8
bits.This device can operate in two modes: Transmit Only mode and I2C bidirectional mode.
When powered, the device is in Transmit Only mode with EEPROM data clocked out from the
rising edge of the signal applied on VCLK.
10.10.2. Features
1 MILLION ERASE/WRITE CYCLES
40 YEARS DATA RETENTION
2.5V to 5.5V SINGLE SUPPLY VOLTAGE
400k Hz COMPATIBILITY OVER the FULL RANGE of SUPPLY VOLTAGE
TWO WIRE SERIAL INTERFACE I2C BUS COMPATIBLE
PAGE WRITE (up to 8 BYTES)
BYTE, RANDOM and SEQUENTIAL READ MODES
SELF TIMED PROGRAMMING CYCLE
AUTOMATIC ADDRESS INCREMENTING
ENHANCED ESD/LATCH UP PERFORMANCES
10.10.3 Absolute Maximum Ratings