This part is a kind of semiconductor called 24C04A.

Function of this product has 4K 5.0V I2C Serial EEPROM.

Manufacturers : MicrochipTechnology

Image and pinout :

Some of the text within the PDF file :

24C04A 4K 5.0V I2C™ Serial EEPROM FEATURES • • • • • • • • • • • Low power CMOS technology Hardware write protect Two wire serial interface bus, I2C™ compatible 5.0V only operation Self-timed write cycle (including auto-erase) Page-write buffer 1 ms write cycle time for single byte 1,000,000 Erase/Write cycles guaranteed Data retention >200 years 8-pin DIP/SOIC packages Available for extended temperature ranges - Commercial (C): 0˚C to +70˚C - Industrial (I): -40˚C to +85˚C - Automotive (E): -40˚C to +125˚C PACKAGE TYPES DIP A0 A1 A2 VSS 8-lead SOIC 1 2 3 4 24C04A 8 7 6 5 VCC WP SCL SDA A0 A1 A2 VSS 1 2 3 4 24C04A 8 7 6 5 VCC WP SCL SDA DESCRIPTION The Microchip Technology Inc. 24C04A is a 4K bit Electrically Erasable PROM. The device is organized as w [ ... ]

24C04A PDF Datasheet Download