NVRAM, 10 YR BATTERY 4MB, 48T512; Memory Size:4Mbit; Memory Configuration:512K x 8; NVRAM Features:RTC, Internal Battery, XTAL; Access Time:70ns; Supply Voltage Range:4.5V to 5.5V; Memory Case Style:DIP; No. of Pins:32; Operating Temperature Range:0°C to +70°C; SVHC:No SVHC (20-Jun-2011); Base Number:48; Data Retention Time:10Yr; IC Generic Number:48T512; IC Temperature Range:Commercial; Interface Type:Parallel; Logic Function Number:48T512; Memory Configuration:512K x 8; Memory Size:4Mbit; Memory Type:NVRAM; Memory Voltage Vcc:5V; Operating Temperature Max:70°C; Operating Temperature Min:0°C; Package / Case:DIP; Supply Voltage Max:5.5V; Supply Voltage Min:4.5V; Termination Type:Through Hole