Date Format = YY-MM-DD / Time Format = HH:MM:SS (12/24 hr) / Interfaces = 3-Wire Serial / Battery Backup Switching Max. V = 5.5 / Battery Backup Switching Min. V = 2 / Supply Voltage Min. V = 2 / Supply Voltage Max. V = 5.5 / Operating Temperature Min. °C = 0 / Operating Temperature Max. °C = 70 / Package Type = SOIC / Pins = 8 / Mounting Type = SMD / MSL = Level-1 / Packaging = Tube / Length mm = 4.9 / Width mm = 3.9 / Height mm = 1.5 / Reflow Temperature Max. °C = 260 / Memory Size B = 31