Semiconductor integrated circuit device

Details Semiconductor integrated circuit device Semiconductor integrated circuit device

1992-11-17

1994-04-05

Hille, Rolf

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

Gate arrays

With particular power supply distribution means

257210, 257211, 257758, 257776, H01L 2702

Patent

active

053007980

ABSTRACT:
When a semiconductor integrated circuit device having a wiring structure of three or more layers is hierarchically considered as a collection of a plurality of functional blocks, each functional block is internally connected by wirings in the first wiring layer, in which wirings have their main extended direction prescribed to be the X-direction, and wirings in the second wiring layer, in which wirings have their main extended direction prescribed to be the Y-direction, formed over the first wiring layer. Wirings in the third wiring layer, in which wirings have their main extended direction prescribed to be the same as the wirings in the second wiring layer, formed over the second wiring layer, together with wirings in the first and second wiring layer, are used as signal wirings between functional blocks, while the wirings in the third wiring layer are used as power supply wirings for providing power supply to functional blocks. As the power supply paths to functional blocks, a plurality of power supply wirings are branched off from the power supply electrode such as a power supply pad and terminated there. The power supply electrode on the high voltage side and the power supply electrode on the low voltage side are disposed separately at opposing edge portions of the semiconductor substrate and the power supply wirings proceeding therefrom to their target functional blocks are bent in the vicinity of the edge portion of the semiconductor substrate and therefrom extended straight to the target points.

REFERENCES:
patent: 4606781 (1986-08-01), Vyne
patent: 4716452 (1987-12-01), Kondoh et al.
patent: 4839820 (1989-06-01), Kinoshita et al.
patent: 4857987 (1989-08-01), Ogura et al.
patent: 4864381 (1989-09-01), Seefeldt et al.
patent: 4924290 (1990-05-01), Enkaku et al.
patent: 4958222 (1990-09-01), Takakura
"Nikkei Electronics", No. 455 (Sep. 5, 1988), pp. 179-183, published by Nikkei-McGraw-Hill Corp. (with English Translation).
Fifteenth European Solid-State Circuit Conference, held in Sep. 1989 (ESSCIRC '89), pp. 121-124.

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