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參數(shù)資料
| 型號： | M48T129Y-70PM1 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據(jù)恢復(fù)及定時提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP32 |
| 封裝： | PLASTIC, MODULE, DIP-32 |
| 文件頁數(shù)： | 1/30頁 |
| 文件大小： | 524K |
| 代理商： | M48T129Y-70PM1 |
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February 2005
M48T129Y
M48T129V
5.0 or 3.3V, 1 Mbit (128 Kbit x 8) TIMEKEEPER SRAM
FEATURES SUMMARY
■
INTEGRATED, ULTRA LOW POWER SRAM,
REAL TIME CLOCK, POWER-FAIL
CONTROL CIRCUIT, BATTERY, AND
CRYSTAL
■
YEAR 2000 COMPLIANT
■
BCD CODED CENTURY, YEAR, MONTH,
DAY, DATE, HOURS, MINUTES, AND
SECONDS
■
BATTERY LOW WARNING FLAG
■
AUTOMATIC POWER-FAIL CHIP
DESELECT AND WRITE PROTECTION
■
TWO WRITE PROTECT VOLTAGES:
(VPFD = Power-fail Deselect Voltage)
–
M48T129Y: VCC = 4.5 to 5.5V
4.2V
≤ VPFD ≤ 4.5V
–
M48T129V: VCC = 3.0 to 3.6V
2.7V
≤ VPFD ≤ 3.0V
■
CONVENTIONAL SRAM OPERATION;
UNLIMITED WRITE CYCLES
■
SOFTWARE CONTROLLED CLOCK
CALIBRATION FOR HIGH ACCURACY
APPLICATIONS
■
10 YEARS OF DATA RETENTION AND
CLOCK OPERATION IN THE ABSENCE OF
POWER
■
SELF CONTAINED BATTERY AND
CRYSTAL IN DIP PACKAGE
■
MICROPROCESSOR POWER-ON RESET
(Valid even during battery back-up mode)
■
PROGRAMMABLE ALARM OUTPUT
ACTIVE IN BATTERY BACK-UP MODE
■
SOIC PACKAGE PROVIDES DIRECT
CONNECTION FOR A SNAPHAT TOP
WHICH CONTAINS THE BATTERY AND
CRYSTAL
■
SNAPHAT HOUSING (BATTERY/CRYSTAL)
IS REPLACEABLE
■
EQUIVALENT SURFACE-MOUNT (SMT)
SOLUTION REQUIRES A 44-PIN M48T201Y/
V AND A STAND-ALONE 128K x8 LPSRAM
(SNAPHAT Top to be ordered separately)
Figure 1. 32-pin Module
PMDIP32 (PM)
Module
32
1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M48T129Y-85CS1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129Y-85PM1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129YPM | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129YSH | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T18 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V, 64Kbit (8 Kb x 8) TIMEKEEPER㈢ SRAM |
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