Compound semiconductor integrated circuit device

Details Compound semiconductor integrated circuit device Compound semiconductor integrated circuit device

1991-07-05

1993-12-28

Westin, Edward P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3073032, 257390, H03K 19094, H01L 2500

Patent

active

052742830

ABSTRACT:
A gate array includes a plurality of basic cells which each include normally-on type transistors and a plurality of normally-off type transistors. The source electrode, drain electrode and gate electrode of each normally-off type transistor are not connected in common to the electrodes of the other transistors in the cell. Thus, a desired number of normally-off type transistors can be connected to a particular normally-on type transistor by wiring. Thus, unnecessary connections of normally-off type transistors to a normally-on type transistor can be avoided.

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patent: 4771327 (1988-09-01), Usui
patent: 4791474 (1988-12-01), Sugiura et al.
Patent Abstracts of Japan, vol. 7, No. 52, Mar. 2, 1983 & JP-A-57 202 772 (Nippon Denki K.K.) Nov. 12, 1992.
W. H. Davenport, "Macro evaluation of a GaAs 3000 Gate Array", IEEE GaAs IC Symposium, Technical Digest 1986, Grenelefe, Fla., Oct. 28-30th, 1986, pp. 19-21.
H. Tanaka et al., "GaAs E/D BEL Logic Circuit Technology for ECL compatible 1.6k Gate Array", Proceedings of the IEEE International Conference on Computer Design: VLSI In Computer, Port Chester, N.Y., Oct. 7th-10th, 1985, pp. 789-792.

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