NVRAM/RTCC I512BX8, 41T56, SOIC8; Memory Size:512bit; NVRAM Features:RTC, Internal Battery, XTAL; Interface Type:I2C, Serial, 2-Wire; Supply Voltage Range:4.5V to 5.5V; Memory Case Style:SOIC; No. of Pins:8; Operating Temperature Range:-40°C to +85°C; SVHC:No SVHC (15-Dec-2010); Base Number:41; Data Retention Time:10Yr; Device Marking:M41T56M6E; IC Generic Number:41T56; Interface:I2C, Serial; Interface Type:Serial I2C; Logic Function Number:41T56; Memory Configuration:64 x 8b; Memory Size:512bit; Memory Type:NVRAM; Memory Voltage Vcc:5V; Operating Temperature Max:85°C; Operating Temperature Min:-40°C; Package / Case:SOIC; Supply Voltage Max:5.5V; Supply Voltage Min:4.5V; Termination Type:SMD