Patent · US Expired

Logic output circuit with high transient pull-up current

US5444400A · kind A · utility

7Cited by
8References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 2, 1993
Grant dateAug 22, 1995
Priority date
Expiry dateNov 2, 2013

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K19/0136
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A digital line driver circuit with active pull-down, high transient pull-up current, and limited steady-state pull-up current. Steady-state pull-up current is provided through a pull-up resistor. Transient pull-up current is provided by a capacitively coupled active pull-up circuit.

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