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84N04 - LOW QUIESCENT CURRENT PROGRAMMABLE-DELAY SUPERVISORY

Description

The 84NXX can monitor and provide reset function for system voltages from 0.4V which is the microprocessor supervisory circuit.

If the SENSE voltage falls below its threshold (VIT), the voltage of manual reset ( MR ) is pulled to a logic low, the RESET signal will be asserted.

Features

  • Standard Voltage Rails From 0.9V to 5V and Adjustable Voltage From 0.4V are Available.
  • Low Quiescent Current: 1.6uA (typ. ).
  • Delay Time: 2.1ms to 10s.
  • High Threshold Accuracy: ±1% (typ. ).
  • Manual Reset ( MR ) Input.
  • Open-Drain RESET Output.
  • Immune to Short Negative SENSE voltage.
  • Guaranteed Reset Valid to VCC: 0.8V.

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Datasheet preview – 84N04

Datasheet Details

Part number 84N04
Manufacturer UTC
File Size 268.46 KB
Description LOW QUIESCENT CURRENT PROGRAMMABLE-DELAY SUPERVISORY
Datasheet download datasheet 84N04 Datasheet
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    UNISONIC TECHNOLOGIES CO., LTD 84NXX Advance CMOS IC LOW QUIESCENT CURRENT PROGRAMMABLE-DELAY SUPERVISORY CIRCUIT  DESCRIPTION The 84NXX can monitor and provide reset function for system voltages from 0.4V which is the microprocessor supervisory circuit. If the SENSE voltage falls below its threshold (VIT), the voltage of manual reset ( MR ) is pulled to a logic low, the RESET signal will be asserted. The reset voltage can be factory-set from 0.9V to 5V, while the 84NXX reset voltage is adjustable with an external resistor divider. When SENSE voltage and MR exceed their thresholds, RESET is driven to a logic high after a user-programmable delay time. The 84NXX has a very low quiescent, which makes it ideal suitable for battery-powered applications.
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