Integrated circuit device having signal discrimination circuit a

Details Integrated circuit device having signal discrimination circuit a Integrated circuit device having signal discrimination circuit a

1991-11-12

1992-08-25

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

371 225, G01R 3128

Patent

active

051422220

ABSTRACT:
An integrated circuit device formed on a chip includes a pair of signal input terminals, a signal discriminating circuit having a pair of input terminals coupled to the signal input terminals, for comparing a data signal and a reference signal supplied through the input terminals and for determining whether or not the level of said data signal is higher than that of said reference signal, a pair of test signal terminals to which a predetermined voltage is applied, and a voltage dividing circuit for dividing the predetermined voltage to thereby generate a test signal to be supplied to the signal discriminating circuit through the input terminals.

REFERENCES:
patent: 3879662 (1975-04-01), Barneck
patent: 3883753 (1975-05-01), Harrison, Jr. et al.

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