Datasheet > M48T86

M48T86

更新时间： 2024-11-10 22:25:07

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		PC 时钟
页数	文件大小	规格书
23页	165K
描述
5V PC REAL TIME CLOCK

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中文翻译

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数据手册

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M48T86 数据手册

M48T86

5V PC REAL TIME CLOCK

■ DROP-IN REPLACEMENT for PC

SNAPHAT (SH)

Battery/Crystal

COMPUTER CLOCK/CALENDAR

■ COUNTS SECONDS, MINUTES, HOURS,

DAYS, DAY of the WEEK, DATE, MONTH and

YEAR with LEAP YEAR COMPENSATION

■ INTERFACED WITH SOFTWARE AS 128

RAM LOCATIONS:

– 14 Bytes of Clock and Control Registers

– 114 Bytes of General Purpose RAM

■ SELECTABLE BUS TIMING (Intel/Motorola)

PCDIP24 (PC)

Battery/Crystal

■ THREE INTERRUPTS are SEPARATELY

SOH28 (MH)

CAPHAT

SOFTWARE-MASKABLE and TESTABLE

– Time-of-Day Alarm (Once/Second to

Once/Day)

– Periodic Rates from 122µs to 500ms

– End-of-Clock Update Cycle

Figure 1. Logic Diagram

■ PROGRAMMABLE SQUARE WAVE OUTPUT

■ SELF-CONTAINED BATTERY and CRYSTAL

in the CAPHAT DIP PACKAGE

■ PACKAGING INCLUDES a 28-LEAD SOIC

and SNAPHAT TOP

(to be Ordered Separately)

■ SOIC PACKAGE PROVIDES DIRECT

CONNECTION for a SNAPHAT TOP

CONTAINS the BATTERY and CRYSTAL

AD0-AD7

SQW

IRQ

R/W

■ PIN and FUNCTION COMPATIBLE with

bq3285/7A and DS128887

M48T86

RST

RCL

MOT

AI01640

May 2000

1/23

12 3 4 5 6 7...23

中文翻译

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M48T86_07	STMICROELECTRONICS	获取价格	5.0 V PC real-time clock
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M48T86MH1	STMICROELECTRONICS	获取价格	5.0 V PC real-time clock
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M48T86MH1TR	STMICROELECTRONICS	获取价格	5.0 V PC real-time clock
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