Patent · US Expired

Semiconductor circuit device for preventing an output of a bistable circuit from becoming unstable

US4849653A · kind A · utility

15Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 8, 1988
Grant dateJul 18, 1989
Priority date
Expiry dateMar 8, 2008

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K3/3565
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

There is an R-S flip-flop circuit having a threshold voltage of a first value. An input terminal of a Schmitt trigger circuit having a second threshold voltage of a lower value than the first value and a third threshold voltage of a higher value than the first value is connected to an output terminal of the R-S flip-flop circuit.

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