BUY X2804AP-45 https://www.utsource.net/itm/p/572066.html
x8 EEPROM
Description: 8K Nonvolatile SRAM Features: 8K x 8 Nonvolatile SRAM Low Power CMOS Technology 2.7V to 5.5V Operation Read/Write Endurance: 1,000,000 Cycles Data Retention: 100 Years Low Power Standby Mode Low Voltage Detection Self-Timed Write Cycle Pin Compatible with X2804A Application: Automotive Industrial Control Instrumentation Medical Portable Equipment Robotics Security Systems Telecom/Networking (For reference only)