BUY CY7C109B-15VC https://www.utsource.net/itm/p/232394.html
128K x 8 Static RAM
Description: The CY7C109B-15VC is a 32-pin static RAM (SRAM) from Cypress Semiconductor. It is a low-power, high-speed, low-voltage device with a wide operating temperature range. Features: Low power consumption High speed access time of 15ns Low voltage operation (2.7V to 3.6V) Wide operating temperature range (-40°C to +85°C) 32-pin SOJ package Applications: Automotive Industrial Medical Telecommunications Consumer Electronics (For reference only)