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M48T251V fiches techniques PDF

ST Microelectronics - 5.0 or 3.3V / 4096K TIMEKEEPER SRAM with PHANTOM

Numéro de référence M48T251V
Description 5.0 or 3.3V / 4096K TIMEKEEPER SRAM with PHANTOM
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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M48T251V fiche technique
M48T251Y
M48T251V
5.0 or 3.3V, 4096K TIMEKEEPER® SRAM with PHANTOM
FEATURES SUMMARY
s 5.0V OR 3.3V OPERATING VOLTAGE
s REAL TIME CLOCK KEEPS TRACK OF
TENTHS/HUNDREDTHS OF SECONDS,
SECONDS, MINUTES, HOURS, DAYS, DATE
OF THE MONTH, MONTHS, and YEARS
s AUTOMATIC LEAP YEAR CORRECTION
VALID UP TO THE YEAR 2100
s AUTOMATIC SWITCH-OVER and DESELECT
CIRCUITRY
s CHOICE OF POWER-FAIL DESELECT
VOLTAGES:
(VPFD = Power-fail Deselect Voltage):
– M48T251Y: 4.25V VPFD 4.50V
– M48T251V: 2.80V VPFD 2.97V
s FULL 10% VCC OPERATING RANGE
s OVER 10 YEARS’ DATA RETENTION IN THE
ABSENCE OF POWER
s WATCH FUNCTION IS TRANSPARENT TO
RAM OPERATION
s 512K x 8 NV SRAM DIRECTLY REPLACES
VOLATILE STATIC RAM OR EEPROM
Figure 1. 32-pin, DIP Package
32
1
PMDIP32 (PM)
March 2003
Rev. 2.0
1/24

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Fiche technique recommandé

No Description détaillée Fabricant
M48T251V 5.0 or 3.3V / 4096K TIMEKEEPER SRAM with PHANTOM ST Microelectronics
ST Microelectronics
M48T251Y 5.0 or 3.3V / 4096K TIMEKEEPER SRAM with PHANTOM ST Microelectronics
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