BUY 6264BLF10LT https://www.utsource.net/itm/p/4083021.html

Package Type: SOP, HIT Description: 64K x 16 CMOS Static RAM Features: Low Power CMOS Technology Single 5V ±10% Power Supply Fast Access Time: 10ns Low Standby Current: 10mA (Max) TTL Compatible Inputs and Outputs Fully Static Operation: No Clock or Refresh Required Three-State Outputs Package: SOP, HIT Application: Automotive Industrial Military Telecommunications Networking Medical Consumer Electronics (For reference only)