BUY M82C84A-2 https://www.utsource.net/itm/p/11735601.html

Description: The M82C84A-2 is a CMOS static RAM chip manufactured by OKI. It has a capacity of 8K bits and is packaged in a 24-pin SOP. Features: Low power consumption Fast access time High noise immunity High reliability Low voltage operation Applications: Automotive systems Industrial control systems Robotics Telecommunications systems Portable devices Medical systems (For reference only)