Patent · US Expired

Input buffer/level shifter

US6191636A · kind A · utility

8Cited by
6References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 22, 1999
Grant dateFeb 20, 2001
Priority date
Expiry dateSep 22, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K19/018521
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A circuit is presented comprising a first device and a second device. The first device may be configured to operate at a first supply voltage and may be configured to generate a pull-up signal in response to an input signal. The second device may be configured to operate at a second supply voltage. The second supply voltage may be lower than the first supply voltage. The second device may be configured to generate an output in response to (i) the input signal and (ii) the pull-up signal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.