Datasheet > M41T256YSH

M41T256YSH

更新时间： 2024-11-18 22:08:59

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		时钟
页数	文件大小	规格书
26页	346K
描述
256 Kbit 32K x8 SERIAL RTC

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中文翻译

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数据手册

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M41T256YSH 数据手册

M41T256Y

256 Kbit (32K x8) SERIAL RTC

FEATURES SUMMARY

■ 5V OPERATING VOLTAGE

Figure 1. 44-pin, Hatless SOIC Package

■ SERIAL INTERFACE SUPPORTS EXTENDED

I C BUS ADDRESSING (400 KHz)

■ AUTOMATIC SWITCH-OVER and DESELECT

CIRCUITRY

■ POWER-FAIL DESELECT VOLTAGES:

– M41T256Y: V = 4.5 to 5.5V;

= 4.2 < V

< 4.5V

PFD

■ COUNTERS FOR TENTHS/HUNDREDTHS

OF SECONDS, SECONDS, MINUTES,

HOURS, DAY, DATE, MONTH, and YEAR

SO44 (MT)

■ PROGRAMMABLE SOFTWARE CLOCK

CALIBRATION

■ 32,752 BYTES OF GENERAL PURPOSE RAM

■ MICROPROCESSOR POWER-ON RESET

Figure 2. 44-pin SOIC Package

■ HOLDS MICROPROCESSOR IN RESET

UNTIL SUPPLY VOLTAGE REACHES

STABLE OPERATING LEVEL

SNAPHAT (SH)

Crystal/Battery

■ AUTOMATIC ADDRESS-INCREMENTING

■ TAMPER INDICATION CIRCUIT with TIME-

STAMP

■ SLEEP MODE FUNCTION

■ PACKAGING INCLUDES A 44-LEAD SOIC and

SNAPHAT TOP (to be ordered separately)

■ SOIC PACKAGE PROVIDES DIRECT

CONNECTION FOR A SNAPHAT TOP

SOH44 (MH)

WHICH CONTAINS THE BATTERY and

CRYSTAL

March 2003

1/26

Rev. 2.2

12 3 4 5 6 7...26

中文翻译

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