M41T56C64MY6F datasheet(1/19 Pages) STMICROELECTRONICS

Part #	M41T56C64MY6F

Description	Serial Real Time Clock with 56 bytes of NVRAM64 Kbit (8192 bit x 8) EEPROM

PDF	19 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 19 page

September 2006

Rev 4

1/19

1

M41T56C64

Serial Real Time Clock with 56 bytes of NVRAM

+ 64 Kbit (8192 bit x 8) EEPROM

Feature summary

■

5V ±10% supply voltage

■

I2C bus compatible

■

Operating temperature of –40 to 85°C

■

Packaging includes:

– 18-lead SOIC (with embedded crystal)

■

RoHS compliant

Serial RTC features

■

Counters for seconds, minutes, hours, day,

date, month, years, and century

■

Embedded crystal package

■

Software clock calibration

■

Automatic power-fail detect and switch circuitry

■

56 bytes of general purpose SRAM

■

Ultra-low battery supply current of 450nA

■

Automatic leap year compensation

■

Special software programmable output

■

Two-wire I2C serial interface supports 100kHz

protocol

Serial EEPROM features

■

8192 bytes of general purpose EEPROM

(more than 1e6 erase/write cycles)

■

Two-wire I2C serial interface supports 400kHz

protocol

■

Byte and page write (up to 32 bytes)

■

More than 40 year data retention

■

Self-timed programming cycle

1

18

Embedded crystal

SOX18(MY)

18-pin (300mil) SOIC

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M41T56C64MY6F Datasheet(PDF) 1 Page - STMicroelectronics

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