BUY CY62256NLL-55SNXIT https://www.utsource.net/itm/p/842008.html
256K LOW POWER 32K X 8 4.5-5.5V
Description: CY62256NLL-55SNXIT is a 256K x 8 Static RAM from Alliance Memory Inc. Features: - Low power consumption - Fast access time - Single 5V power supply - TTL compatible inputs and outputs - Fully asynchronous operation - Automatic power-down when deselected - Automatic power-up on chip select - Available in 28-pin SOP package Applications: - Automotive - Industrial control - Instrumentation - Networking - Telecommunications - Medical - Consumer electronics (For reference only)