Patent · US Expired

Fuse trimming failure test circuit for CMOS circuit

US6774702B2 · kind B2 · utility

1Cited by
1References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 3, 2002
Grant dateAug 10, 2004
Priority date
Expiry dateJul 3, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A fuse trimming failure test circuit for a CMOS circuit includes a first MOS transistor having a source terminal connected to a negative power supply voltage and a gate terminal being connected to a first test signal terminal, a second MOS transistor having a source terminal connected to a positive power supply voltage and a gate terminal connected to a second test signal terminal, a first fuse having one end connected to the drain terminal of the first MOS transistor and a second fuse having one end connected to the drain terminal of the second MOS transistor and another end connected to another end of the first fuse.

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