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LMC6953 Datasheet Pci Local Bus Power Supervisor

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LMC6953 PCI Local Bus Power Supervisor April 1998 LMC6953 PCI Local Bus Power.

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

  • n Compliant to PCI specifications revision 2.1. n Under and over voltage detectors for 5V and 3.3V n Power failure detection (5V falling under 3.3V by 300 mV max) n Manual reset input pin n Guaranteed RESET assertion at VDD = 1.5V n Integrated reset delay circuitry n Open drain output n Adjustable reset delay n Response time for over and under voltage detection: 490 ns Max n Power failure response time: 90 ns Max n Requires minimal external components.

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Similar Datasheet

Brand Logo Part Number Description Manufacturer
Texas Instruments Logo LMC6953 PCI Local Bus Power Supervisor Texas Instruments

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