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參數資料
| 型號： | M41T256YMT7TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數據恢復及定時提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO44 |
| 封裝： | 0.330 INCH, PLASTIC, SOIC-44 |
| 文件頁數： | 1/27頁 |
| 文件大?。?/td> | 523K |
| 代理商： | M41T256YMT7TR |
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1/27
June 2004
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
Figure 2. 44-pin SOIC Package
44
1
SO44 (MT)
44
1
SOH44 (MH)
SNAPHAT (SH)
Crystal/Battery
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相關代理商/技術參數 |
參數描述 |
|---|---|
| M41T256YSH | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32K x8 SERIAL RTC |
| M41T315V | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial access phantom RTC supervisor |
| M41T315V/W | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Phantom RTC Supervisor |
| M41T315V-65MH6E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial Access Phantom RTC Supervisor |
| M41T315V-65MH6F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Serial access phantom RTC supervisor |
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