Bulk input current switch logic circuit

Details Bulk input current switch logic circuit Bulk input current switch logic circuit

2008-06-18

2009-10-20

Cho, James H. (Department: 2819)

Electronic digital logic circuitry

Function of and, or, nand, nor, or not

Field-effect transistor

Reexamination Certificate

active

07605614

ABSTRACT:
A current switch logic circuit is disclosed. The circuit includes a current sense amplifier formed by a first transistor to a fifth transistor, and a logic tree. The logic tree is used to generate a first current and a second current. The current sense amplifier generates a first output signal and a second output signal according to the first current and the second current.

REFERENCES:
patent: 5042011 (1991-08-01), Casper et al.
patent: 2007/0057698 (2007-03-01), Verbauwhede et al.
Article titled “Differential Current Switch Logic: A Low Power DCVS Logic Family” authored by Somasekhar et al., IEEE Journal Solid-State Circuits, vol. 31, No. 7, Jul. 1996 pp. 981-991.
Article titled “Custom and Semi-Custom Design Techniques” authored by Heller et al., ISSCC 84 / Wednesday, Feb. 22, 1984 / Continental Ballrooms 1-4 / 10:00 A.M. pp. 16-17.
Article titled “A Comparison of CMOS Circuit Techniques: Differential Cascode Voltage Switch Logic Versus Conventional Logic” authored by Chu et al., IEEE Journal of Solid-Stage Circuits, vol. SC-22, No. 4, Aug. 1987 pp. 528-532.
Article titled “Design Procedures for Differential Cascode Voltage Swith Circuits” authored by Chu et al., IEEE Journal of Solid-State Circuits, vol. SC-21, No. 6, Dec. 1986 pp. 1082-1087.

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