Datasheet > M48T251Y-85PM1

M48T251Y-85PM1

更新时间： 2024-11-10 22:10:11

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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M48T251Y-85PM1 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M48T251Y-85PM1相关器件

型号	品牌	获取价格	描述	数据表
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M48T35-70MH1E	STMICROELECTRONICS	获取价格	5V, 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM
M48T35-70MH1F	STMICROELECTRONICS	获取价格	5V, 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM