Patent · US Expired

Logic level translator circuit for integrated circuit semiconductor devices having transistor-transistor logic output circuitry

US4623803A · kind A · utility

8Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1983
Grant dateNov 18, 1986
Priority date
Expiry dateNov 8, 2003

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K19/00353
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

An improved logic level translator circuit for translating logic signals of non-TTL circuits to logic signals of TTL circuits is presented. The translator circuit as presented includes circuitry for providing elimination of noise spiking and the resultant erroneous switching caused by simultaneous conduction of TTL circuit outputs as they change states.

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