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M48T248V fiches techniques PDF

ST Microelectronics - 5.0 or 3.3V / 1024K TIMEKEEPER SRAM

Numéro de référence M48T248V
Description 5.0 or 3.3V / 1024K TIMEKEEPER SRAM
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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M48T248V fiche technique
M48T248Y
M48T248V
5.0 or 3.3V, 1024K TIMEKEEPER® SRAM with PHANTOM
FEATURES SUMMARY
5.0V OR 3.3V OPERATING VOLTAGE
Figure 1. 32-pin, DIP Package
REAL TIME CLOCK KEEPS TRACK OF
TENTHS/HUNDREDTHS OF SECONDS,
SECONDS, MINUTES, HOURS, DAYS,
DATE OF THE MONTH, MONTHS, AND
YEARS
AUTOMATIC LEAP YEAR CORRECTION
VALID UP TO THE YEAR 2100
)AUTOMATIC SWITCH-OVER AND
t(sDESELECT CIRCUITRY
CHOICE OF POWER-FAIL DESELECT
ucVOLTAGES:
d(VPFD = Power-fail Deselect Voltage):
ro– M48T248Y: 4.25V VPFD 4.50V
P– M48T248V: 2.80V VPFD 2.97V
teFULL 10% VCC OPERATING RANGE
leOVER 10 YEARS’ DATA RETENTION IN
THE ABSENCE OF POWER
soWATCH FUNCTION IS TRANSPARENT TO
bRAM OPERATION
O128K x 8 NV SRAM DIRECTLY REPLACES
Obsolete Product(s) -VOLATILE STATIC RAM OR EEPROM
32
1
PMDIP32 (PM)
February 2005
1/24

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ST Microelectronics
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