Patent · US Expired

Scan latch circuit

US6622273B1 · kind B1 · utility

23Cited by
8References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 11, 2000
Grant dateSep 16, 2003
Priority date
Expiry dateApr 11, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R31/318541
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A circuit is described which allows a scan latch to selectively pass inputs derived from either of two test outputs, e.g. scan test and built-in self-test data, but which does not apply an added delay to a data path when this is instead selected.

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