The Microchip AT24CS01 1Kbit serial EEPROM utilizes an I2C (2-wire) serial interface. It operates on voltage range of 1.7V to 5.5V. The device is organized as one block of 128 x 8 and is optimized for use in consumer and industrial applications where reliable and dependable non-volatile memory storage is essential. It features a 128 bit serial number that is programmed and permanently write protected during the Microchip manufacturing process.

Schmitt triggers, filtered inputs for noise suppression
Bidirectional data transfer protocol
Write-protect pin for full array hardware data protection
Ultra low active current (3mA maximum) and standby current (6μA maximum)
8-Byte page write mode
Random and sequential read modes
Self-timed write cycle within 5ms maximum
ESD Protection greater than 4,000V
Endurance of 1,000,000 write cycles
Data retention of 100 years
Temperature range between -40°C and +85°C
SOIC package

EEPROM Serial Access - Microchip