參數(shù)資料
型號(hào)： M48T129V
廠商： 意法半導(dǎo)體
英文描述： 3.3V-5V 1Mb (128K x 8) Timekeeper SRAM(1Mb TIMERKEEPEER SRAM)
中文描述： 3.3 - 5V的1兆（128K的× 8）計(jì)時(shí)器的SRAM（1兆TIMERKEEPEER的SRAM）
文件頁(yè)數(shù)： 1/30頁(yè)
文件大小： 483K
代理商： M48T129V
1/30
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:
(V
PFD
= Power-fail Deselect Voltage)
–
M48T129Y: V
CC
= 4.5 to 5.5V
4.2V
≤
V
PFD
≤
4.5V
–
M48T129V: V
CC
= 3.0 to 3.6V
2.7V
≤
V
PFD
≤
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
相關(guān)PDF資料
PDF描述
M48T129Y 3.3V-5V 1Mb (128K x 8) Timekeeper SRAM(1Mb TIMERKEEPEER SRAM)
M48T18 64Kb (8K x 8) TIMEKEEPER SRAM(64K位 TIMEKEEPER SRAM)
M48T08Y 64Kb (8K x 8) TIMEKEEPER SRAM(64K位 TIMEKEEPER SRAM)
M48T35Y 256 Kbit (32Kb x 8) ZEROPOWER SRAM(256K位零功耗靜態(tài)RAM)
M48T37Y 3.3V-5V 256Kbit (32Kb x8) Timekeeper SRAM(256K位(32K x 8) Timekeeper 靜態(tài)RAM)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M48T129V-70CS1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM
M48T129V-70PM1 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
M48T129V-85CS1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM
M48T129V-85PM1 功能描述:實(shí)時(shí)時(shí)鐘 1M (128Kx8) 85ns RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
M48T129VPM 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM
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