Semiconductor integrated circuit having signal paths with equal

Details Semiconductor integrated circuit having signal paths with equal Semiconductor integrated circuit having signal paths with equal

1995-06-02

1996-07-16

Westin, Edward P.

Electronic digital logic circuitry

Clocking or synchronizing of logic stages or gates

326101, H03K 19096

Patent

active

055370616

ABSTRACT:
A semiconductor integrated circuit has a parallel conductor transmission line including a plurality of signal paths branching at a node. The signal paths have phase compensation sections for creating a phase constant of the transfer constant thereof, where the phase constant is inversely proportional to the length of the signal paths. The phase compensation sections are implemented by covering a microstrip line by a layer having a high dielectric constant or implemented by a second ground conductor disposed opposite to the microstrip conductor with a thin layer of a high dielectric constant. The integrated circuit comprises a plurality of square gate blocks having a plurality of logic gates arranged in an array. A signal source node is connected via respective input signal nodes of the gate blocks to the logic gates in the gate blocks through the respective signal paths having the phase compensation sections.

REFERENCES:
patent: 4769558 (1988-09-01), Bach
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patent: 5140184 (1992-08-01), Hamamoto et al.
patent: 5172330 (1992-12-01), Watanabe et al.
patent: 5376842 (1994-12-01), Honoa et al.
Halliday et al.; "Fundamentals of Physics", 2nd Edition; .COPYRGT.1970, 1974 and 1981 by John Wiley & Sons, Inc.; pp. 484, 485, 594 and 595.

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