BUY AT49F020-70JC https://www.utsource.net/itm/p/445934.html
2-Megabit 256K x 8 5-volt Only CMOS Flash Memory
Description: The AT49F020-70JC is a 2 Mbit (256K x 8-bit) nonvolatile Flash memory manufactured by Atmel Corporation. Features: - Low voltage operation: 2.7V to 3.6V - Fast access time: 70ns - Low power consumption - Endurance: 100,000 write/erase cycles - Data retention: 20 years - Security: Hardware write protection Applications: - Automotive - Industrial - Consumer - Telecommunications - Medical (For reference only)