BUY M514256A-80J https://www.utsource.net/itm/p/1369116.html

Description: M514256A-80J is a 256K x 16-bit CMOS Static RAM manufactured by OKI. Features: Low power consumption Fast access time High speed operation Wide operating temperature range Applications: Automotive systems Industrial control systems Medical equipment Telecommunications systems Networking systems Consumer electronics (For reference only)