BUY UPD4516161AG5-A10B-9NF https://www.utsource.net/itm/p/5364197.html
X 4 SYNCHRONOUS DRAM, 6 ns, PDSO44
Description: 4M-bit (512K x 8-bit) CMOS Static RAM Features: Low power consumption Fast access time Low voltage operation High speed data transfer High noise immunity Low power standby mode Low power active mode High speed page mode High speed burst mode Single power supply TTL compatible Pin and function compatible with UPD4516161AG5-A10 Package: TSOP50 Application: Automotive Industrial Consumer Telecommunications Computer Networking Medical (For reference only)