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LTC693 - Microprocessor Supervisory Circuits

This page provides the datasheet information for the LTC693, a member of the LTC Microprocessor Supervisory Circuits family.

Description

The LTC®692/LTC693 provide complete power supply monitoring and battery control functions for microprocessor reset, battery backup, CMOS RAM write protection, power failure warning and watchdog timing.

A precise internal voltage reference and comparator circuit monitor the power supply line.

Features

  • n Guaranteed Reset Assertion at VCC = 1V n 1.5mA Maximum Supply Current n Fast (35ns Maximum) Onboard Gating of RAM Chip Enable Signals n 4.40V Precision Voltage Monitor n Power OK/Reset Time Delay: 200ms or Adjustable n Minimum External Component Count n 1μA Maximum Standby Current n Voltage Monitor for Power-Fail or Low Battery Warning n Thermal Limiting n Performance Specified Over Temperature n Superior Upgrade for MAX690 Family n SO8 and SO16 Packaging.

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Full PDF Text Transcription

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LTC692/LTC693 Microprocessor Supervisory Circuits FEATURES n Guaranteed Reset Assertion at VCC = 1V n 1.5mA Maximum Supply Current n Fast (35ns Maximum) Onboard Gating of RAM Chip Enable Signals n 4.
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