Async SRAM 1Mb 128Kx8 45ns 5V 32-Pin TSOP-I
CY62128E Series 1 Mb (128 K x 8) 2.2 - 3.6 V 45 ns Static RAM - TSOP-32
1Mb SRAM, 128Kx8, 45ns, 5V, Asynchronous, TSOP-I