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AAT3532 - MicroPower Microprocessor Reset Circuit

Datasheet Summary

Description

The AAT3532 PowerManager™ product is a member of AATI’s Total Power Management ICs™ (TPMIC™) product family.

It is a fully integrated device for monitoring microprocessor activity, external reset, and power supply conditions.

Features

  • PowerManager™ Adjustable 4.5V or 4.75V Voltage Monitor 250ms (min) Reset Pulse Width Low quiescent current: typically 23µA Adjustable Watchdog Timer (150ms, 600ms, or 1200ms) De-bounced Manual Reset Input Operates down to 20ns strobe input pulse width No external components Temp range -40° to 85°C Standard 8 pin SOP package Pin compatible with MAX1232 Preliminary Information.

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Datasheet Details

Part number AAT3532
Manufacturer Advanced Analogic Technologies
File Size 230.85 KB
Description MicroPower Microprocessor Reset Circuit
Datasheet download datasheet AAT3532 Datasheet
Additional preview pages of the AAT3532 datasheet.

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Full PDF Text Transcription

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AAT3532 MicroPower™ Microprocessor Reset Circuit General Description The AAT3532 PowerManager™ product is a member of AATI’s Total Power Management ICs™ (TPMIC™) product family. It is a fully integrated device for monitoring microprocessor activity, external reset, and power supply conditions. The device holds the microprocessor in a reset condition for a minimum of 250ms while VCC is established to ensure correct system start-up. A manual reset can be initiated via a de-bounced input pin. As an additional level of protection, the AAT3532 includes a watchdog timer which requires a periodic strobe input from the microprocessor to ensure correct operation. The AAT3532 has a programmable watchdog timer and voltage tolerance level. The quiescent supply current is extremely low, typically 23µA.
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