Infineon Technologies AG
SRAM, 4MB, 512KX8, 3V, TSOPII-32; Memory Size: 4Mbit; SRAM Memory Configuration: 512K x 8bit; Supply Voltage Range: 2.2V to 3.6V; Memory Case Style: TSOP; No. of Pins: 32Pins; Access Time: 45ns; Operating Temperature Min: -40°C