Patent · US Expired

Tap multiplexer

US7398440B2 · kind B2 · utility

15Cited by
10References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 17, 2004
Grant dateJul 8, 2008
Priority date
Expiry dateNov 27, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R31/318563
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An integrated circuit comprising: a plurality of portions, each portion including test control circuitry; at least one test input arranged to receive test signals; and a multiplexer between the at least one test input and the test control circuitry, the multiplexer having a least one control input whereby the multiplexer is controllable to direct test signals to one of the plurality of portions.

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