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ASM1832 - Power Supply Monitor and Reset Circuit

General Description

The ASM1832 is a fully integrated microprocessor supervisor.

up” microprocessor, restart a microprocessor after a power failure.

It has a watchdog timer and external reset override.

pull.

Key Features

  • 3.3 V Supply Monitor.
  • Push.
  • pull Output.
  • Selectable Watchdog Period.
  • Debounce Manual Push.
  • button Reset Input.
  • Precision Temperature.
  • compensated Voltage Reference and Comparator.
  • Power.
  • up, Power.
  • down and Brown Out Detection.
  • 250 ms Minimum Reset Time.
  • Active LOW and HIGH Reset Signal.
  • Selectable Trip Point Tolerance: 10% or 20%.
  • Low.
  • cost 8.
  • pin DIP/SO an.

📥 Download Datasheet

Datasheet Details

Part number ASM1832
Manufacturer onsemi
File Size 159.11 KB
Description Power Supply Monitor and Reset Circuit
Datasheet download datasheet ASM1832 Datasheet

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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.

View original datasheet text
ASM1832 3.3 V mP Power Supply Monitor and Reset Circuit Description The ASM1832 is a fully integrated microprocessor supervisor. It can halt and restart a “hung−up” microprocessor, restart a microprocessor after a power failure. It has a watchdog timer and external reset override. RESET and RESET outputs are push−pull. A precision temperature−compensated reference and comparator circuits monitor the 3.3 V, VCC input voltage status. During power−up or when the VCC power supply falls outside selectable tolerance limits, both RESET and RESET become active. When VCC rises above the threshold voltage, the reset signals remain active for an additional 250 ms minimum, allowing the power supply and system microprocessor to stabilize.