Datasheet > M48T251V-70PM1TR

M48T251V-70PM1TR

更新时间： 2024-11-10 22:17:15

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		静态存储器
页数	文件大小	规格书
24页	368K
描述
5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM

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M48T251V-70PM1TR 数据手册

M48T251Y

M48T251V

5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM

FEATURES SUMMARY

■

5.0V OR 3.3V OPERATING VOLTAGE

Figure 1. 32-pin, DIP Package

REAL TIME CLOCK KEEPS TRACK OF

TENTHS/HUNDREDTHS OF SECONDS,

SECONDS, MINUTES, HOURS, DAYS,

DATE OF THE MONTH, MONTHS, AND

YEARS

■

AUTOMATIC LEAP YEAR CORRECTION

VALID UP TO THE YEAR 2100

AUTOMATIC SWITCH-OVER AND

DESELECT CIRCUITRY

CHOICE OF POWER-FAIL DESELECT

VOLTAGES:

–

= Power-fail Deselect Voltage):

M48T251Y: 4.25V ≤ V_PFD≤ 4.50V

M48T251V: 2.80V ≤ V_PFD≤ 2.97V

PFD

■

FULL 10% V OPERATING RANGE

OVER 10 YEARS’ DATA RETENTION IN

THE ABSENCE OF POWER

PMDIP32 (PM)

■

WATCH FUNCTION IS TRANSPARENT TO

RAM OPERATION

512K x 8 NV SRAM DIRECTLY REPLACES

VOLATILE STATIC RAM OR EEPROM

February 2005

1/24

12 3 4 5 6 7...24

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与M48T251V-70PM1TR相关器件

型号	品牌	获取价格	描述	数据表
M48T251V-85PM1	STMICROELECTRONICS	获取价格	5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM
M48T251V-85PM1TR	STMICROELECTRONICS	获取价格	5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM
M48T251VPM	STMICROELECTRONICS	获取价格	5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM
M48T251Y	STMICROELECTRONICS	获取价格	5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM
M48T251Y-70PM1	STMICROELECTRONICS	获取价格	5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM
M48T251Y-70PM1TR	STMICROELECTRONICS	获取价格	5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM
M48T251Y-85PM1	STMICROELECTRONICS	获取价格	5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM
M48T251Y-85PM1TR	STMICROELECTRONICS	获取价格	5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM
M48T251YPM	STMICROELECTRONICS	获取价格	5.0 or 3.3V, 4096K TIMEKEEPER SRAM with PHANTOM
M48T254V-10ZA1	STMICROELECTRONICS	获取价格	REAL TIME CLOCK, PBGA168, 42.50 X 42.50 MM, 1.27 MM PITCH, BGA-168