Datasheet > M41TC8025

M41TC8025

更新时间： 2024-09-15 12:23:11

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		晶体温度补偿时钟
页数	文件大小	规格书
8页	187K
描述
Highly accurate, temperature-compensated serial real-time clock (RTC) with embedded crystal

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M41TC8025 数据手册

M41TC8025

Highly accurate, temperature-compensated

serial real-time clock (RTC) with embedded crystal

Data brief

Features

■ Embedded high-stability 32 KHz DTCXO

■ Temperature-compensated serial real-time

clock

–

5.0 ppm max from -40 to 85 °C

3.8 ppm max from 0 to 50 °C

■ Supply voltage

– Clock operating & timekeeping: 1.6 to 5.5 V

– I C interface operating: 1.8 to 5.5 V

SO14

14-pin SOIC

– Temperature compensation: 2.2 to 5.5 V

■ 0.8 µA typical current at 3.0 V supply voltage

■ 400 kHz I C interface

Description

■ Time-of-day alarm (with interrupt)

■ Fixed-cycle timer interrupt function

■ Time update interrupt function

The M41TC8025 is a serial I C real-time clock

(RTC) incorporating temperature compensation to

maintain accurate timekeeping over the industrial

temperature range of -40 to +85 °C. In addition to

providing date and time (seconds, minutes, hours,

day-of-week, date (day of month), month and

year), the device also provides an alarm function,

fixed-cycle timer, time update interrupt and

programmable frequency outputs (1 Hz, 1 KHz

and 32 KHz).

■ Programmable frequency output

– FOUT = 1 Hz, 1 KHz and 32 KHz

■ Registers for seconds, minutes, hours, day-of-

week, date (day of month), month and year

with automatic leap year compensation

■ Programmable temperature compensation

intervals (0.5 s, 2 s default, 10 s, 30 s)

The M41TC8025 is provided in a 200 mil, 14-pin

SOIC package.

Applications

■ Power meters

■ Industrial applications

Table 1.

Device summary

Order code

Accuracy

Package

5.0 ppm (-40 to 85 °C)

3.8 ppm (0 to 50 °C)

M41TC8025AMC6F

SO14

September 2012

Doc ID 023561 Rev 2

1/8

For further information contact your local STMicroelectronics sales office.

www.st.com

12 3 4 5 6 7 8

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