Patent · US Expired

Low power three-stage CMOS input buffer with controlled switching

US4958088A · kind A · utility

119Cited by
9References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 19, 1989
Grant dateSep 18, 1990
Priority date
Expiry dateJun 19, 2009

Classification

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

Abstract

A CMOS low power Schmitt type input buffer for a dynamic random access memory (DRAM) circuit. This buffer is further characterized in that a falling edge on the input has better than average noise immunity and has a slightly longer propagation time through the buffer than a rising edge.

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