Patent · US Expired

Programmable chip tester having plural pin unit buffers which each store sufficient test data for independent operations by each pin unit

US4517661A · kind A · utility

52Cited by
15References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 16, 1981
Grant dateMay 14, 1985
Priority date
Expiry dateJul 16, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R31/31919
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A test system for testing circuits in integrated circuit chips includes a host computer for controlling the test system, and a plurality of blocks operable in parallel and each including a controller, storage for test programs and test data, and plurality of electronic units or pin electronics cards, one unit being associated with one of the pins of a device under test. Each of the electronic units include timing circuitry for timing its associated pin independent of the timing of any other electronics unit.

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