SERIAL RTC I2C, SMD, 41T81, SOIC8; Date Format:Day; Date; Month; Year; Clock Format:hh:mm:ss; Clock IC Type:RTC; Interface Type:I2C, Serial; Supply Voltage Range:2V to 5.5V; Digital IC Case Style:SOIC; No. of Pins:8; Operating Temperature Range:-40°C to +85°C; SVHC:No SVHC (19-Dec-2011); Base Number:41; Data Retention Time:10Yr; IC Case Style:SOIC; IC Generic Number:41T81; Interface:Serial, I2C; Interface Type:Serial, I2C; Logic Function Number:41T81; Memory Configuration:20 x 8; Memory Size:512bit; Memory Type:NVRAM; No. of Outputs:1; Operating Temperature Max:85°C; Operating Temperature Min:-40°C; Package / Case:SOIC; RTC Features:Square-Wave Output; Supply Voltage Max:5.5V; Supply Voltage Min:2V; Termination Type:SMD; Type:RTC