BUY AM93L422DMB https://www.utsource.net/itm/p/1121993.html
x4 SRAM
Description: The AM93L422DMB is a 4K-bit static random access memory (SRAM) manufactured by AMD. Features: - 4K-bit static random access memory (SRAM) - Low power consumption - Fast access time - High speed operation - Low voltage operation - Single 5V power supply - TTL compatible Applications: - Automotive - Industrial - Consumer electronics - Medical - Networking - Telecommunications (For reference only)