SRAM Chip Async Single 3.3V 4M-Bit 256K x 16 20ns 44-Pin TSOP-II
Standard SRAM, 256KX16, 20ns, CMOS, PDSO44, LEAD FREE, TSOP2-44
SRAM 4M, 3.3V, 20ns, FAST 256K x 16 Asyn SRAM