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M41T315Y-65MQ6F fiches techniques PDF

ST Microelectronics - Serial Access Phantom RTC Supervisor

Numéro de référence M41T315Y-65MQ6F
Description Serial Access Phantom RTC Supervisor
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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M41T315Y-65MQ6F fiche technique
M41T315Y*
M41T315V/W
Serial Access Phantom RTC Supervisor
FEATURES SUMMARY
3.0V, 3.3V, OR 5V OPERATING VOLTAGE
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 2100
AUTOMATIC SWITCH-OVER AND
DESELECT CIRCUITRY
CHOICE OF POWER-FAIL DESELECT
VOLTAGES:
(VPFD = Power-fail Deselect Voltage)
– M41T315Y: VCC = 4.5 to 5.5V
4.25V VPFD 4.50V
– M41T315V: VCC = 3.0 to 3.6V
2.80V VPFD 2.97V
– M41T315W: VCC = 2.7 to 3.3V
2.60V VPFD 2.70V
NO ADDRESS SPACE REQUIRED TO
COMMUNICATE WITH RTC
PROVIDES NONVOLATILE SUPERVISOR
FUNCTIONS FOR BATTERY BACKUP OF
SRAM
FULL ±10% VCC OPERATING RANGE
INDUSTRIAL OPERATING TEMPERATURE
RANGE (–40 to +85°C)
ULTRA-LOW BATTERY SUPPLY CURRENT
OF 500nA (max)
OPTIONAL PACKAGING INCLUDES A 28-
LEAD SOIC and SNAPHAT® TOP (to be
ordered separately)
SNAPHAT PACKAGE PROVIDES DIRECT
CONNECTION FOR A SNAPHAT TOP,
WHICH CONTAINS THE BATTERY AND
CRYSTAL
Figure 1. 16-pin SOIC Package
16
1
SO16 (MQ)
Figure 2. 28-pin SOIC Package
SNAPHAT (SH)
Battery/Crystal
28
1
SOH28 (MH)
* Contact Local Sales Office
June 2004
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