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Numéro de référence | M41T256YMT7TR | ||
Description | 256 Kbit 32K x8 SERIAL RTC | ||
Fabricant | ST Microelectronics | ||
Logo | |||
1 Page
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M41T256Y
256 Kbit (32K x8) Serial RTC
FEATURES SUMMARY
■ 5V OPERATING VOLTAGE
■ SERIAL INTERFACE SUPPORTS
EXTENDED I2C BUS ADDRESSING
(400kHz)
■ AUTOMATIC SWITCH-OVER AND
DESELECT CIRCUITRY
■ POWER-FAIL DESELECT VOLTAGES:
– M41T256Y: VCC = 4.5 to 5.5V;
VPFD = 4.2 < VPFD < 4.5V
■ COUNTERS FOR TENTHS/HUNDREDTHS
OF SECONDS, SECONDS, MINUTES,
HOURS, DAY, DATE, MONTH, and YEAR
■ PROGRAMMABLE SOFTWARE CLOCK
CALIBRATION
■ 32,752 BYTES OF GENERAL PURPOSE
RAM
■ MICROPROCESSOR POWER-ON RESET
■ HOLDS MICROPROCESSOR IN RESET
UNTIL SUPPLY VOLTAGE REACHES
STABLE OPERATING LEVEL
■ AUTOMATIC ADDRESS-INCREMENTING
■ TAMPER INDICATION CIRCUIT WITH TIME-
STAMP
■ SLEEP MODE FUNCTION
■ PACKAGING INCLUDES A 44-LEAD SOIC
AND SNAPHAT® TOP (to be ordered
separately)
■ SOIC PACKAGE PROVIDES DIRECT
CONNECTION FOR A SNAPHAT® TOP
WHICH CONTAINS THE BATTERY AND
CRYSTAL
Figure 1. 44-pin, Hatless SOIC Package
44
1
SO44 (MT)
Figure 2. 44-pin SOIC Package
SNAPHAT (SH)
Crystal/Battery
44
1
SOH44 (MH)
June 2004
1/27
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Pages | Pages 27 | ||
Télécharger | [ M41T256YMT7TR ] |
No | Description détaillée | Fabricant |
M41T256YMT7TR | 256 Kbit 32K x8 SERIAL RTC | ST Microelectronics |
US18650VTC5A | Lithium-Ion Battery | Sony |
TSPC106 | PCI Bus Bridge Memory Controller | ATMEL |
TP9380 | NPN SILICON RF POWER TRANSISTOR | Advanced Semiconductor |
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