M41T11 データシートの表示（PDF） - STMicroelectronics

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M41T11

Serial real-time clock (RTC) with 56 bytes of NVRAM

STMicroelectronics 

M41T11

Serial real-time clock (RTC) with 56 bytes of NVRAM

Features

■ Counters for seconds, minutes, hours, day,

date, month, years and century

■ 32 KHz crystal oscillator integrating load

capacitance (12.5 pF) providing exceptional

oscillator stability and high crystal series

resistance operation

■ Serial interface supports I2C bus (100 kHz

protocol)

■ Ultra-low battery supply current of 0.8 µA (typ.

at 3 V)

■ 2.0 to 5.5 V clock operating voltage

■ Automatic switchover and deselect circuitry

■ 56 bytes of general purpose RAM

■ Software clock calibration to compensate

crystal deviation due to temperature

■ Automatic leap year compensation

■ Operating temperature of –40 to 85°C

■ Packaging includes a 28-lead SOIC and

SNAPHAT® top (to be ordered separately;

3.3 V to 5.0 V supply voltage only)

■ RoHS compliant

– Lead-free second level interconnect

Datasheet − production data

8

1

SO8

SNAPHAT® battery & crystal

28

1

SOH28

June 2012

This is information on a product in full production.

Doc ID 6103 Rev 10

1/30

www.st.com

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