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DS1486 - RAMified Watchdog Timekeeper

Datasheet Summary

Description

Interrupt Output A (open drain) INTB (INTB) Interrupt Output B (open drain) A0 A16 Address Inputs DQ0 DQ7 Data Input/Output CE Chip Enable OE Output Enable WE Write Enable VCC +5 Volts GND Groun

Features

  • 128 kbytes of user NV RAM Integrated NV SRAM, real-time clock, crystal, power-fail control circuit and lithium energy source.
  • Totally nonvolatile with over 10 years of operation in the absence of power.
  • Watchdog timer restarts an out-of-control processor.
  • Alarm function schedules real-time related www. DataSheet4U. com activities such as system wakeup.
  • Programmable interrupts and square wave output.
  • All registers are individually addressable via the address and data bus.

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Datasheet preview – DS1486

Datasheet Details

Part number DS1486
Manufacturer Dallas Semiconductor
File Size 288.02 KB
Description RAMified Watchdog Timekeeper
Datasheet download datasheet DS1486 Datasheet
Additional preview pages of the DS1486 datasheet.

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Full PDF Text Transcription

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DS1486/DS1486P RAMified Watchdog Timekeeper www.maxim-ic.com FEATURES 128 kbytes of user NV RAM Integrated NV SRAM, real-time clock, crystal, power-fail control circuit and lithium energy source § Totally nonvolatile with over 10 years of operation in the absence of power § Watchdog timer restarts an out-of-control processor § Alarm function schedules real-time related www.DataSheet4U.
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