Datasheet > M41T94SH

M41T94SH

更新时间： 2024-11-05 22:10:27

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		静态存储器时钟
页数	文件大小	规格书
31页	410K
描述
512 Bit 64 bit x8 SERIAL RTC SPI SRAM

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中文翻译

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数据手册

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M41T94SH 数据手册

M41T94

512 Bit (64 bit x8) SERIAL RTC (SPI) SRAM

FEATURES SUMMARY

■ 2.7 TO 5.5V OPERATING VOLTAGE

Figure 1. 16-pin SOIC Package

■ SERIAL PERIPHERAL INTERFACE (SPI)

■ 2.5 TO 5.5V OSCILLATOR OPERATING

VOLTAGE

■ AUTOMATIC SWITCH-OVER and DESELECT

CIRCUITRY

SO16 (MQ)

■ CHOICE OF POWER-FAIL DESELECT

VOLTAGES (V = 2.7 to 5.5V):

– THS = V ; 2.55V ≤ V

≤ 2.70V

≤ 4.50V

PFD

Figure 2. 28-pin SOIC Package

– THS = V ; 4.20V ≤ V

■ COUNTERS FOR TENTHS/HUNDREDTHS

OF SECONDS, SECONDS, MINUTES,

HOURS, DAY, DATE, MONTH, YEAR, and

CENTURY

SNAPHAT (SH)

Battery & Crystal

■ 44 BYTES OF GENERAL PURPOSE RAM

■ PROGRAMMABLE ALARM and INTERRUPT

FUNCTION (VALID EVEN DURING BATTERY

BACK-UP MODE)

■ WATCHDOG TIMER

■ MICROPROCESSOR POWER-ON RESET

■ BATTERY LOW FLAG

SOH28 (MH)

■ LOW OPERATING CURRENT OF 2.0mA

■ ULTRA-LOW BATTERY SUPPLY CURRENT

OF 500nA (MAX)

■ PACKAGING INCLUDES A 28-LEAD SOIC and

SNAPHAT TOP (to be ordered separately) or

16-LEAD SOIC

■ 28-LEAD SOIC PACKAGE PROVIDES

DIRECT CONNECTION FOR A SNAPHAT

TOP WHICH CONTAINS THE BATTERY and

CRYSTAL

June 2003

1/31

Rev. 2.0

12 3 4 5 6 7...31

中文翻译

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