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DS1511 - Y2K-Compliant Watchdog Real-Time Clocks

This page provides the datasheet information for the DS1511, a member of the DS1501 Y2K-Compliant Watchdog Real-Time Clocks family.

Description

The DS1501/DS1511 are full-function, year 2000compliant real-time clock/calendars (RTCs) with an RTC alarm, watchdog timer, power-on reset, battery monitors, 256 bytes NV 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.
  • +3.3 (W) or +5V (Y) Operation.
  • Precision Power-On Reset.
  • Power-Control Circuitry Support System Power-On from Date/Day/Time Alarm or Key Closure/Modem-Detect Signal.
  • 256 Bytes Battery-Backed SRAM.
  • Auxiliary Battery Input.
  • Accuracy of DS15.

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Datasheet preview – DS1511

Datasheet Details

Part number DS1511
Manufacturer Maxim Integrated
File Size 438.28 KB
Description Y2K-Compliant Watchdog Real-Time Clocks
Datasheet download datasheet DS1511 Datasheet
Additional preview pages of the DS1511 datasheet.

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Full PDF Text Transcription

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DS1501/DS1511 Y2K-Compliant Watchdog Real-Time Clocks GENERAL DESCRIPTION The DS1501/DS1511 are full-function, year 2000compliant real-time clock/calendars (RTCs) with an RTC alarm, watchdog timer, power-on reset, battery monitors, 256 bytes NV SRAM, and a 32.768kHz output. User access to all registers within the DS1501/DS1511 is accomplished with a byte-wide interface, as shown in Figure 8. The RTC registers contain century, year, month, date, day, hours, minutes, and seconds data in 24-hour binary-coded decimal (BCD) format. Corrections for day of month and leap year are made automatically. APPLICATIONS Remote Systems Battery-Backed Systems Telecom Switches Office Equipment Consumer Electronics Pin Configurations and Typical Operating Circuit appear at end of data sheet.
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