Datasheet > HT1382

HT1382

更新时间： 2024-01-17 00:01:32

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		时钟
页数	文件大小	规格书
29页	288K
描述
I2C/3-Wire Real Time Clock

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HT1382 数据手册

HT1382

I²C/3-Wire Real Time Clock

Features

Real Time Clock/Calendar Functions

- Includes: Sec, Minutes, Hours, Day, Date, Month, and year in BCD format

Clock operating voltage: 2.0V~5.5V

Supply voltage V_DD=2.7V~5.5V

Automatic leap year correction, valid until year 2099

Automatic supply switch over

Integrated oscillator load capacitors - CL=12.5pF

Clock compensation

Programmable alarm and interrupt function

15 selectable frequency outputs

4 Bytes EEPROM for user

Serial commutation via I²C or 3-wire interface

8-pin DIP, SOP and MSOP package for I²C interface

10-pin MSOP package for 3-wire interface

Applications

Utility meters

Consumer electronics

Portable equipment

Wireless equipment

POS equipment

Computer products

Other industrial/Medical/Automotive applications

General Description

The HT1382 is a low power real time clock device with two serial interface: I²C or 3-wire. The

interface mode is selected by the chosen chip version. The device provides both clock and calendar

information in BCD format and also includes alarm functions. The calendar is accurate until the year

2099 and includes automatic leap year correction.

An external 32768Hz crystal is used as the device oscillator for device timing for which is provided an

integrated crystal load capacitance of 12.5pF. The device includes a crystal oscillator temperature

compensation function and internal power control circuitry detects power failures and automatically

switches to the battery supply when a power failure occurs.

Rev. 1.20

March 8, 2011

12 3 4 5 6 7...29

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