Patent · US Expired

Test system having a master/slave JTAG controller

US7818640B1 · kind B1 · utility

13Cited by
106References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 27, 2005
Grant dateOct 19, 2010
Priority date
Expiry dateOct 14, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R31/318555
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A test system has a package containing a number of die. There is a JTAG controller for each of the die. There is also master/slave selector input for each of the JTAG controllers. A boundary scan register link connects at least two of the die.

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