Datasheet > M41T62LC6F

M41T62LC6F

更新时间： 2024-11-30 01:19:27

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
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42页	706K
描述
Low-power serial real-time clocks (RTCs) with alarm

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M41T62LC6F 数据手册

M41T62, M41T64, M41T65

Datasheet

Low-power serial real-time clocks (RTCs) with alarm

3mm

Features

3mm

•

Serial real-time clock (RTC) with alarm functions

–

400 kHz I²C serial interface

QFN16 3 x 3 mm

Memory mapped registers for seconds, minutes, hours, day, date, month,

year, and century

1.5 mm

3.2 mm

–

Tenths/hundredths of second register

Embedded crystal LCC8 1.5 x 3.2 mm

No external crystal required

•

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. V_CCsuitable for lithium-ion battery operation

•

Low operating current of 35 µA (at 400 kHz I²C speed)

32 kHz square wave output is on at power-up. Suitable for driving a

microcontroller in low-power mode. Can be disabled. (M41T62/64)

•

Programmable 1 Hz to 32 kHz square wave output (M41T62/64)

Programmable alarm with interrupt function (M41T62/65)

32 kHz crystal oscillator integrates crystal load capacitors, works with high

series resistance crystals

•

Oscillator stop detection monitors clock operation

Accurate programmable watchdog

–

62.5 ms to 31 minutes timeout

•

Software clock calibration. Timekeeping can be adjusted within ± 2 parts per

million (± 5 seconds per month)

Maturity status link

M41T62

•

Automatic leap year compensation

– 40 to + 85 °C operation

Two package options

M41T64

–

Very small 3 x 3 mm, lead-free and halogen-free (ECOPACK2) 16-lead

QFN

M41T65

–

Ultra small 1.5 x 3.2 mm, lead-free and halogen-free (ECOPACK2) 8-pin

ceramic leadless chip carrier with embedded 32 kHz crystal - no external

oscillator components required (M41T62)

DS3840 - Rev 24 - September 2019

www.st.com

For further information contact your local STMicroelectronics sales office.

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M41T62LC6F 替代型号

型号	品牌	替代类型	描述	数据表
DS1308U-33+	MAXIM	功能相似	Low-Current I2C RTC with 56-Byte NV RAM

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