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.

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 VDD=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