DS1500 - Y2K Watchdog RTC

Product Overview

Dallas Semiconducotr

Datasheet Details

Part number	DS1500
Manufacturer	Dallas Semiconducotr
File Size	351.11 KB
Description	Y2K Watchdog RTC
Datasheet	DS1500 Datasheet
Additional preview pages of the DS1500 datasheet.

Product details

Description

The DS1500 is a full-function, year 2000-compliant real-time clock/calendar (RTC) with an alarm, watchdog timer, power-on reset, battery monitors, 256 bytes of on-board nonvolatile (NV) SRAM, NV control for backing up an external SRAM, and a 32.768kHz output.

Features

BCD-Coded Century, Year, Month, Date, Day, Hours, Minutes, and Seconds with Automatic Leap-Year Compensation Valid Up to the Year 2100 Programmable Watchdog Timer and RTC Alarm Century Register; Y2K-Compliant RTC Automatic Battery Backup and Write Protection to External SRAM +5V Operation Precision Power-On Reset Power-Control Circuitry Supports System PowerOn from Date/Day/Time Alarm or Key Closure 256 Bytes User NV RAM Auxiliary Battery Input Accuracy Better than ±1 Minute/Month at +25°C.

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Published: Sep 21, 2005 |