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參數資料
| 型號： | M48T128V-85CS1 |
| 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： | PLASTIC, SO-44 |
| 文件頁數： | 1/30頁 |
| 文件大小： | 162K |
| 代理商： | M48T128V-85CS1 |
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August 2001
M48T129Y
M48T129V
5.0 or 3.3V, 1 Mbit (128 Kbit x 8) TIMEKEEPER SRAM
FEATURES SUMMARY
s
INTEGRATED, ULTRA LOW POWER SRAM,
REAL TIME CLOCK, POWER-FAIL CONTROL
CIRCUIT, BATTERY, and CRYSTAL
s
YEAR 2000 COMPLIANT
s
BCD CODED CENTURY, YEAR, MONTH,
DAY, DATE, HOURS, MINUTES, and
SECONDS
s
BATTERY LOW WARNING FLAG
s
AUTOMATIC POWER-FAIL CHIP DESELECT
and WRITE PROTECTION
s
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
s
CONVENTIONAL SRAM OPERATION;
UNLIMITED WRITE CYCLES
s
SOFTWARE CONTROLLED CLOCK
CALIBRATION FOR HIGH ACCURACY
APPLICATIONS
s
10 YEARS OF DATA RETENTION and CLOCK
OPERATION IN THE ABSENCE OF POWER
s
SELF CONTAINED BATTERY and CRYSTAL
IN DIP PACKAGE
s
MICROPROCESSOR POWER-ON RESET
(Valid even during battery back-up mode)
s
PROGRAMMABLE ALARM OUTPUT ACTIVE
IN BATTERY BACK-UP MODE
s
SURFACE MOUNT CHIP SET PACKAGING
(Figure 2) INCLUDES A 44-PIN SOIC and A 32-
LEAD TSOP (SNAPHAT Top to be ordered
separately)
s
SOIC PACKAGE PROVIDES DIRECT
CONNECTION FOR A SNAPHAT TOP WHICH
CONTAINS THE BATTERY and CRYSTAL
s
SNAPHAT HOUSING (BATTERY/CRYSTAL)
IS REPLACEABLE
Figure 1. 32-pin Module
Figure 2. Surface-Mount Chipset Solution
PMDIP32 (PM)
Module
32
1
TSOP32 (N)
(8 x 20mm)
SNAPHAT (SH)
Crystal / Battery
SOH44 (M)
相關PDF資料 |
PDF描述 |
|---|---|
| M48T129Y-70CS1 | 0 TIMER(S), REAL TIME CLOCK, PDSO44 |
| M48T129Y-70PM1 | 0 TIMER(S), REAL TIME CLOCK, PDIP32 |
| M48T212A-85MH6TR | 0 TIMER(S), REAL TIME CLOCK, PDSO44 |
| M48T212A-85MH1TR | 0 TIMER(S), REAL TIME CLOCK, PDSO44 |
| M48T212A-85MH6 | 0 TIMER(S), REAL TIME CLOCK, PDSO44 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| M48T128V-85PM1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T128V-85PM1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T128VPM | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T128Y | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T128Y_10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3 V, 1 Mbit (128 Kb x 8) TIMEKEEPER?? SRAM |
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