M41T11
512 bit (64 bit x8) Serial Access TIMEKEEPER® SRAM
FEATURES SUMMARY
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2.0 TO 5.5V CLOCK OPERATING VOLTAGE
COUNTERS FOR SECONDS, MINUTES,
HOURS, DAY, DATE, MONTH, YEARS AND
CENTURY
YEAR 2000 COMPLIANT
SOFTWARE CLOCK CALIBRATION
AUTOMATIC SWITCH-OVER AND
DESELECT CIRCUITRY
I2C BUS COMPATIBLE
56 BYTES of GENERAL PURPOSE RAM
ULTRA-LOW BATTERY SUPPLY CURRENT
OF 1µA
LOW OPERATING CURRENT OF 300µA
BATTERY OR SUPER-CAP BACK-UP
BATTERY BACK-UP NOT RECOMMENDED
FOR 3.0V APPLICATIONS (CAPACITOR
BACK-UP ONLY)
OPERATING TEMPERATURE OF –40 TO
85°C
AUTOMATIC LEAP YEAR COMPENSATION
SPECIAL SOFTWARE PROGRAMMABLE
OUTPUT
PACKAGING INCLUDES a 28-LEAD SOIC
and SNAPHAT® TOP (to be ordered
separately; 3.3V to 5.0V supply voltage only)
December 2004
Figure 1. 8-pin SOIC Package
8
1
SO8 (M)
Figure 2. 28-pin SOIC Package
SNAPHAT (SH)
Battery & Crystal
28
1
SOH28 (MH)
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