Dual mode analog differential and CMOS logic circuit

Details Dual mode analog differential and CMOS logic circuit Dual mode analog differential and CMOS logic circuit

2005-08-23

2005-08-23

Cho, James H. (Department: 2819)

Electronic digital logic circuitry

With test facilitating feature

C326S086000

Reexamination Certificate

active

06933743

ABSTRACT:
A dual mode, analog differential and complementary metal oxide semiconductor (CMOS) logic circuit is provided. The circuit includes a differential input for receiving a differential input signal. A switch pair is coupled to the differential input. A pair of load resistors coupled to the switch pair defines a differential output for providing a differential output signal. A current source is coupled to the switch pair. A control input receives a control signal and control circuitry coupled to the control input disable the current source to select a CMOS testing mode responsive to the control signal being activated.

REFERENCES:
patent: 6087879 (2000-07-01), Takahashi et al.
patent: 6337819 (2002-01-01), Shinozaki

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