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ASM1233A - voltage supervisors

Datasheet Summary

Description

The ASM1233A is a voltage supervisor with low-power, 3.3V µP Reset, with an active LOW, open-drain output.

Maximum supply current over temperature is a low 15µA.

The ASM1233A generates an active LOW reset signal whenever the monitored supply is out of tolerance.

Features

  • Low Supply Current.
  • 15µA maximum (3.6 V) Automatically restarts a microprocessor after power failure 350ms reset delay after VCC returns to an in-tolerance condition Active LOW power-up reset, 5kΩ internal pull-up Precision temperature-compensated voltage reference and comparator Eliminates external components Low-cost SOT-223 package Operating temperature -40°C to +85°C Block Diagram VCC ASM1233A 5.0kΩ Sup.

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Datasheet preview – ASM1233A

Datasheet Details

Part number ASM1233A
Manufacturer Alliance Semiconductor
File Size 235.35 KB
Description voltage supervisors
Datasheet download datasheet ASM1233A Datasheet
Additional preview pages of the ASM1233A datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com November 2003 rev 1.0 ASM1233A Low Power, 3.3V, µP Reset, Active LOW, Open-Drain Output • • • Embedded control systems Printers Single board computers General Description The ASM1233A is a voltage supervisor with low-power, 3.3V µP Reset, with an active LOW, open-drain output. Maximum supply current over temperature is a low 15µA. The ASM1233A generates an active LOW reset signal whenever the monitored supply is out of tolerance. A precision reference and comparator circuit monitor power supply (VCC) level. The tolerance is 15% for the 3.3V, ASM1233A. When an out-of-tolerance condition is detected, an internal power-fail signal is generated which forces an active LOW reset signal.
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