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SCHMITT TRIGGER CIRCUIT WITH INDEPENDENT CONTROL OVER HIGH AND LOW TRIP POINTS USING A SPLIT ARCHITECTURE

  • US 20200136595A1
  • Filed: 10/24/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/29/2018
  • Status: Abandoned Application
First Claim
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1. A circuit, comprising:

  • a low threshold control circuit having an input that receives an input signal and an output the generates a first control signal, said low threshold control circuit configured to respond to a decrease in a voltage level of the input signal to be less than or equal to a low voltage trip point by changing a logic state of the first control signal;

    a high threshold control circuit having an input that receives the input signal and an output the generates a second control signal, said high threshold control circuit configured to respond to an increase in the voltage level of the input signal to be greater than or equal to a high voltage trip point by changing a logic state of the second control signal;

    a first transistor having a source-drain path connected between a supply node and an output node, said first transistor having a control terminal configured to receive said second control signal; and

    a second transistor having a source-drain path connected between the output node and a ground node, said second transistor having a control terminal configured to receive said first control signal.

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