M41T11 datasheet(1/30 Pages) STMICROELECTRONICS

Part #	M41T11

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

PDF	30 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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June 2024

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M41T11

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

Datasheet

- production data

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

8

1

28

1

SO8

SNAPHAT® battery & crystal

SOH28

www.st.com

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