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LMC6953 Datasheet Pci Local Bus Power Supervisor

Manufacturer: Texas Instruments

Overview: LMC6953 www.ti.com SNVS132D – APRIL 1998 – REVISED APRIL 2013 LMC6953 PCI Local Bus Power Supervisor Check for Samples:.

General Description

The LMC6953 is a voltage supervisory chip designed to meet PCI (Peripheral Component Interconnect) Specifications Revision 2.1.

It monitors 5V and 3.3V power supplies.

In cases of power-up, power-down, brown-out, power failure and manual reset interrupt, the LMC6953 provides an active low reset.

Key Features

  • 1.
  • 2 Compliant to PCI Specifications Revision 2.1.
  • Under and Over Voltage Detectors for 5V and 3.3V.
  • Power Failure Detection (5V Falling Under 3.3V by 300 mV Max).
  • Manual Reset Input Pin.
  • Specified RESET Assertion at VDD = 1.5V.
  • Integrated Reset Delay Circuitry.
  • Open Drain Output.
  • Adjustable Reset Delay.
  • Response Time for Over and Under Voltage Detection: 490 ns Max.
  • Power Failure Response Time: 90 ns Max.

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