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參數(shù)資料
| 型號(hào)： | M48T129V-85PM1 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | DRAM |
| 英文描述： | 3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| 中文描述： | 3.3 - 5V的1兆位的SRAM 128KB的x8計(jì)時(shí)器 |
| 文件頁(yè)數(shù)： | 1/22頁(yè) |
| 文件大?。?/td> | 140K |
| 代理商： | M48T129V-85PM1 |
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April 2000
M48T129Y
M48T129V
3.3V-5V 1 Mbit (128Kb x8) TIMEKEEPER
SRAM
I
INTEGRATED ULTRA LOW POWER SRAM,
REAL TIMECLOCK, POWER-FAIL CONTROL
CIRCUIT, BATTERY AND CRYSTAL
I
YEAR 2000 COMPLIANT
I
BCD CODED CENTURY, YEAR, MONTH,
DAY, DATE, HOURS, MINUTES, and
SECONDS
I
BATTERY LOW WARNING FLAG
I
AUTOMATIC POWER-FAIL CHIP DESELECT
and WRITE PROTECTION
I
TWO WRITE PROTECT VOLTAGES:
(V
PFD
= Power-fail Deselect Voltage)
– M48T129Y: 4.2V
≤
V
PFD
≤
4.5V
– M48T129V: 2.7V
≤
V
PFD
≤
3.0V
I
CONVENTIONAL SRAM OPERATION;
UNLIMITED WRITE CYCLES
I
SOFTWARE CONTROLLED CLOCK
CALIBRATION for HIGH ACCURACY
APPLICATIONS
I
10 YEARS of DATA RETENTION and CLOCK
OPERATION in the ABSENCE of POWER
I
SELF CONTAINED BATTERY and CRYSTAL
in DIP PACKAGE
I
MICROPROCESSOR POWER-ON RESET
(Valid even during battery back-up mode)
I
PROGRAMMABLE ALARM OUTPUT ACTIVE
in BATTERY BACK-UP MODE
I
SURFACE MOUNT CHIP SET PACKAGING
INCLUDES a 44-PIN SOIC and a 32-LEAD
TSOP (SNAPHAT TOP TO BE ORDERED
SEPARATELY)
I
SOIC PACKAGE PROVIDES DIRECT
CONNECTION for a SNAPHAT TOP WHICH
CONTAINS the BATTERY and CRYSTAL
I
SNAPHAT
HOUSING (BATTERY/CRYSTAL)
IS REPLACEABLE
Figure 1. Logic Diagram
AI02260
17
A0-A16
DQ0-DQ7
VCC
M48T129Y
M48T129V
G
VSS
8
E
W
RST
IRQ/FT
32
1
SOH44
Surface Mount Chip Set Solution (CS)
SNAPHAT (SH)
Battery
PMDIP32 (PM)
Module
TSOP32
(8 x 20mm)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M48T129Y-70PM1 | 3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129YPM | 3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129VPM | 3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129VSH | 3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T212A | 3.3V TIMEKEEPER CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M48T129VPM | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129VSH | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM |
| M48T129Y | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3V, 1 Mbit (128 Kbit x 8) TIMEKEEPER SRAM |
| M48T129Y_05 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3V, 1 Mbit (128 Kbit x 8) TIMEKEEPER SRAM |
| M48T129Y_10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5.0 or 3.3 V, 1 Mbit (128 Kbit x 8) TIMEKEEPER?? SRAM |
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