Semiconductor integrated circuit having improved cell layout

Details Semiconductor integrated circuit having improved cell layout Semiconductor integrated circuit having improved cell layout

1991-08-06

1993-07-20

Davie, James W.

Active solid-state devices (e.g., transistors, solid-state diode

Gate arrays

With particular signal path connections

257202, 257208, H01L 2702

Patent

active

052296296

ABSTRACT:
A plurality of cells include standard circuits having no power source line and no ground line and having signal terminals supplied with signals and power source terminals connected to a power source. Each of the cells is rotated in a desired direction and placed so as to reduce to a minimum the distance between the terminals of said cells and the corresponding terminals of another cell connected to those of the former cell and the cells are arranged in contact with each other. A plurality of wiring layers are arranged to connect the signal terminals of the cells together and the power source terminals thereof together. The wiring layers are insulated from the cells and placed above the cells.

REFERENCES:
patent: 5095356 (1992-03-01), Ando et al.

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