Integrated circuit for electrostatic discharge testing

Details Integrated circuit for electrostatic discharge testing Integrated circuit for electrostatic discharge testing

1991-08-27

1992-10-27

Nguyen, Vinh

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324 731, 371 151, 361212, G01R 3126

Patent

active

051593696

ABSTRACT:
An integrated circuit device is provided in an integrated circuit which has an input/output terminal device for inputting a signal onto an internal input line and outputting a signal from an internal output line during a normal operation of the integrated circuit. The integrated circuit device includes a test terminal through which a test mode signal is inputted, the test mode signal being inputted when a withstand voltage test is to be performed with respect to the integrated circuit. The integrated circuit device also includes a switching device disposed between the internal input line and the input/output terminal device and between the internal output line and the input/output terminal device, to which the test mode signal is inputted from the test terminal, for electrically coupling the internal input and output lines with the input/output terminal device during the normal operation and disconnecting the internal input and output lines with the input/output terminal device when the test mode signal is inputted.

REFERENCES:
patent: 4638246 (1987-01-01), Blank et al.
patent: 4954772 (1990-09-01), Funakoshi
patent: 5012185 (1991-04-01), Ohjugi
patent: 5047710 (1991-09-01), Mahoney
patent: 5065091 (1991-11-01), Tobita

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