SRAM, 512K X 8, 3V, 55NS, 32STSOP1; Memory Size:4Mbit; SRAM Memory Configuration:512K x 8bit; Supply Voltage Min:2.5V; Supply Voltage Max:3.6V; Memory Case Style:TSOP-I; No. of Pins:32; Access Time:55ns; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; Packaging:Each; MSL:MSL 5 - 4