M41T65 Datasheet | STMicroelectronics

M41T62, M41T64, M41T65 Low-power serial real-time clocks (RTCs) with alarm 3mm 3mm QFN16 3 x 3 mm 1.5 mm 3.2 mm Embedded crystal LCC8 1.5 x 3.2 mm No external crystal required Maturity status link M41T62 M41T64 M41T65 Features - Serial real-time clock (RTC) with alarm functions - 400 kHz I²C serial interface - Memory mapped registers for seconds, minutes, hours, day, date, month, year, and century - Tenths/hundredths of second register - 350 nA timekeeping current at 3 V - Time keeping down to 1.0 V - 1.3 V to 4.4 V I²C bus operating voltage - 4.4 V max. VCC suitable for lithium-ion battery operation - Low operating current of 35 µA (at 400 kHz I²C speed) - 32 kHz square...