ROBUST POWER-ON-RESET CIRCUIT WITH BODY EFFECT TECHNIQUE

An integrated circuit with a power-on-reset circuit includes an inverter circuit connected between the first and second supply node, a cascode-connected series of transistors MCn, for n going from 1 to N, connected between the first supply node and the input node of the inverter, and a resistive ele...

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Bibliographic Details
Main Authors YANG, Shang-Chi, LIN, Jian-Syu, CHIH, Jhen-Sheng
Format Patent
LanguageEnglish
Published 17.02.2022
Subjects
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
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Summary:An integrated circuit with a power-on-reset circuit includes an inverter circuit connected between the first and second supply node, a cascode-connected series of transistors MCn, for n going from 1 to N, connected between the first supply node and the input node of the inverter, and a resistive element connected between the input node of the inverter and the second supply node. The transistors in the cascode-connected series of transistors MCn pull up the input node voltage above a trip point voltage when the voltage between the input node and the first supply node is more than a threshold of the cascode-connected series. A circuit connected between the first and second supply nodes is responsive to a POR pulse output by the inverter.
Bibliography:Application Number: US202117214483