BUY X28C64J-15 https://www.utsource.net/itm/p/988058.html
5 Volt, Byte Alterable E2PROM
Description: 8K x 8 CMOS EEPROM Features: - Low power CMOS technology - 8K x 8 organization - Single 5V supply - Low power write cycle - Self-timed write cycle - High reliability - Low cost - Endurance: 100,000 cycles - Data retention: 100 years Application: - Automotive - Industrial - Consumer - Medical - Military/Aerospace (For reference only)