Datasheet > M41T315V/W

M41T315V/W

更新时间： 2024-11-18 22:09:07

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
24页	407K
描述
Serial Access Phantom RTC Supervisor

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中文翻译

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数据手册

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M41T315V/W 数据手册

M41T315Y*

M41T315V/W

Serial Access Phantom RTC Supervisor

FEATURES SUMMARY

■

3.0V, 3.3V, OR 5V OPERATING VOLTAGE

Figure 1. 16-pin SOIC 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 2100

AUTOMATIC SWITCH-OVER AND

DESELECT CIRCUITRY

CHOICE OF POWER-FAIL DESELECT

VOLTAGES:

SO16 (MQ)

(V_PFD= Power-fail Deselect Voltage)

–

M41T315Y: V_CC= 4.5 to 5.5V

4.25V ≤ V_PFD≤ 4.50V

M41T315V: V_CC= 3.0 to 3.6V

2.80V ≤ V_PFD≤ 2.97V

M41T315W: V_CC= 2.7 to 3.3V

2.60V ≤ V_PFD≤ 2.70V

Figure 2. 28-pin SOIC Package

SNAPHAT (SH)

Battery/Crystal

■

NO ADDRESS SPACE REQUIRED TO

COMMUNICATE WITH RTC

PROVIDES NONVOLATILE SUPERVISOR

FUNCTIONS FOR BATTERY BACKUP OF

SRAM

■

FULL ±10% V_CCOPERATING RANGE

INDUSTRIAL OPERATING TEMPERATURE

RANGE (–40 to +85°C)

■

ULTRA-LOW BATTERY SUPPLY CURRENT

OF 500nA (max)

OPTIONAL PACKAGING INCLUDES A 28-

LEAD SOIC and SNAPHAT^®TOP (to be

ordered separately)

SOH28 (MH)

■

SNAPHAT PACKAGE PROVIDES DIRECT

CONNECTION FOR A SNAPHAT TOP,

WHICH CONTAINS THE BATTERY AND

CRYSTAL

* Contact Local Sales Office

June 2004

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中文翻译

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