Nvsram, 4Mbit, Edip-32, -40 To 85Deg C; Memory Configuration:512K X 8Bit; Read Access Time:120Ns; Write Access Time:120Ns; Supply Voltage Min:2.97V; Supply Voltage Max:3.63V; Ic Case/Package:Edip; No. Of Pins:32Pins Rohs Compliant: Yes |Analog Devices, Inc. DS1251W-120IND+