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DS1672 Datasheet Low Voltage Serial Timekeeping Chip

Manufacturer: Dallas Semiconductor

Datasheet Details

Part number DS1672
Manufacturer Dallas Semiconductor
File Size 146.77 KB
Description Low Voltage Serial Timekeeping Chip
Download DS1672 Download (PDF)

General Description

ORDERING INFORMATION DS1672X-X 2 2.0V operation 3 3.0V operation 33 3.3V operation blank S U VCC, VBACKUP GND X1, X2 SCL SDA RST - Power Supply Inputs - Ground - 32.768 kHz crystal pins - Serial clock - Serial data - Reset output 8-pin DIP 8-pin SOIC 8-pin µSOP DESCRIPTION The DS1672 incorporates a 32-bit counter and power monitoring functions.

The 32-bit counter is designed to count seconds and can be used to derive time of day, week, month, month, and year by using a software algorithm.

A precision temperature-compensated reference and comparator circuit monitors the status of VCC.

Overview

www.DataSheet4U.com PRELIMINARY DS1672 Low Voltage Serial Timekeeping.

Key Features

  • 32-bit counter 2-wire serial interface Automatic power-fail detect and switch circuitry Power-fail reset output Low-voltage oscillator operation (1.3V min. ) Trickle charge capability PIN.