256K x 4 SRAM SRAM MEMORY ARRAY 256K X 4 STANDARD SRAM, 25 ns, CDFP32 256K x 4 SRAM SRAM MEMORY ARRAY 256K X 4 STANDARD SRAM, 25 ns, CDSO32 256K x 4 SRAM SRAM MEMORY ARRAY 256K X 4 STANDARD SRAM, 20 ns, CDSO32 256K x 4 SRAM SRAM MEMORY ARRAY 256K X 4 STANDARD SRAM, 35 ns, CDIP28 256K x 4 SRAM SRAM MEMORY ARRAY 256K X 4 STANDARD SRAM, 35 ns, CDFP32