BUY CY62256-70PC https://www.utsource.net/itm/p/1393063.html
256K 32K x 8 Static RAM
Description: CY62256-70PC is a 256K x 8 Static RAM manufactured by Cypress Semiconductor. Features: Low power CMOS technology Single 5V power supply Fast access time: 70ns Low power consumption: Active: 70mA (max) Standby: 20mA (max) TTL compatible inputs and outputs Fully static operation Automatic power down when deselected All inputs and outputs are TTL compatible Industrial temperature range: -40°C to +85°C Applications: Automotive Industrial control Instrumentation Robotics Medical equipment Telecommunications Networking Embedded systems (For reference only)