M41T56M6TR 데이터 시트보기 (PDF) - STMicroelectronics

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M41T56M6TR

512 bit (64 bit x8) Serial Access TIMEKEEPER® SRAM

STMicroelectronics 

M41T56

512 bit (64 bit x8) Serial Access TIMEKEEPER® SRAM

FEATURES SUMMARY

■ 5V ±10% SUPPLY VOLTAGE

■ COUNTERS FOR SECONDS, MINUTES,

HOURS, DAY, DATE, MONTH, YEARS, AND

CENTURY

■ YEAR 2000 COMPLIANT

■ SOFTWARE CLOCK CALIBRATION

■ AUTOMATIC POWER-FAIL DETECT AND

SWITCH CIRCUITRY

■ I2C BUS COMPATIBLE

■ 56 BYTES OF GENERAL PURPOSE RAM

■ ULTRA-LOW BATTERY SUPPLY CURRENT

OF 450nA

■ LOW OPERATING CURRENT OF 300µA

■ OPERATING TEMPERATURE OF –40 to

85°C

■ AUTOMATIC LEAP YEAR COMPENSATION

■ SPECIAL SOFTWARE PROGRAMMABLE

OUTPUT

■ PACKAGING OPTIONS INCLUDE:

– 28-lead SOIC and SNAPHAT® TOP (to be

ordered separately)

– SO8

Figure 1. 8-pin SOIC Package

8

1

SO8 (M)

150mil Width

Figure 2. 28-pin SOIC Package

SNAPHAT (SH)

Battery & Crystal

28

1

SOH28 (MH)

June 2004

1/24

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