Eeprom, 4Mbit, -40 To 85Deg C; Memory Configuration:512K X 8Bit; Interfaces:Spi; Clock Frequency Max:8Mhz; Ic Case/Package:Nsoic; No. Of Pins:8Pins; Supply Voltage Min:2.5V; Supply Voltage Max:5.5V; Ic Mounting:Surface Mount Rohs Compliant: Yes |Microchip Technology 25CSM04-I/SN