BUY AT24C512 https://www.utsource.net/itm/p/543306.html
512K 2-wire Serial EEPROM512K 2EEPROM
Description: AT24C512 is a 512Kb Serial EEPROM from Atmel. It is a two-wire serial EEPROM that uses the I2C protocol. Features: - 512Kb (64K x 8) of memory - Low-voltage and standard-voltage operation - 2-wire serial interface - Schmitt trigger, filtered inputs for noise suppression - Bidirectional data transfer protocol - 100 kHz (1.8V, 2.5V, and 3.3V) and 400 kHz (1.8V, 2.5V, and 3.3V) Applications: - Automotive - Industrial - Consumer - Medical - Networking - Security - Wearable devices (For reference only)