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LTC1235 - Microprocessor Supervisory Circuit

General Description

The LTC®1235 provides complete power supply monitoring and battery control functions for microprocessor reset, battery backup, RAM write protection, power failure warning and watchdog timing.

Key Features

  • n Guaranteed Reset Assertion at VCC = 1V n 1.5mA Maximum Supply Current n Fast (35ns Max. ) Onboard Gating of RAM Chip Enable Signals n Conditional Battery Backup Extends Battery Life n 4.65V Precision Voltage Monitor n Power OK/Reset Time Delay: 200ms n External Reset Control 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 All the LTC695 Features Plus Conditional.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LTC1235 Microprocessor Supervisory Circuit FEATURES n Guaranteed Reset Assertion at VCC = 1V n 1.5mA Maximum Supply Current n Fast (35ns Max.) Onboard Gating of RAM Chip Enable Signals n Conditional Battery Backup Extends Battery Life n 4.