Comparator circuit

Details Comparator circuit Comparator circuit

1996-03-28

1997-04-01

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 72, H03K 5153, H03K 522

Patent

active

056170440

ABSTRACT:
A comparator circuit has a selection circuit for receiving an input signal, a reference signal, and a selection signal, for generating an inverted input signal which is made by inverting the input signal, for selecting the reference signal during a normal operation mode and selecting the inverted input signal during a test operation mode according to a level of the selection signal and a comparator section for receiving the reference signal or the inverted input signal selected by the selection circuit and for receiving the input signal, for comparing the selected signal and the received signal, and for transmitting a comparison result to outside of the comparator circuit.

REFERENCES:
patent: 5075688 (1991-12-01), Hosotani et al.
patent: 5165058 (1992-11-01), Nakatami et al.
patent: 5357150 (1994-10-01), Jaquette
patent: 5488323 (1996-01-01), Beacham, Jr. et al.
patent: 5488449 (1996-01-01), Joo
patent: 5543794 (1996-08-01), Kanzaki

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