M41T64 - Low-power serial real-time clocks

This page provides the datasheet information for the M41T64, a member of the M41T62 Low-power serial real-time clocks family.

Product Overview

ST Microelectronics

Part number	M41T64
Manufacturer	STMicroelectronics
File Size	700.13 KB
Description	Low-power serial real-time clocks
Datasheet	M41T64 Datasheet
Additional preview pages of the M41T64 datasheet.

The M41T6x is a low-power serial real-time clock (RTC) with a built-in 32.768 kHz oscillator.

Eight registers are used for the clock/calendar function and are configured in binary-coded decimal (BCD) format.

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 I².

Other Datasheets by ST Microelectronics

Published: Apr 6, 2007 |