Semiconductor integrated circuit device

Details Semiconductor integrated circuit device Semiconductor integrated circuit device

1998-02-12

1999-03-23

Dinh, Son T.

Static information storage and retrieval

Interconnection arrangements

365 51, G11C 506

Patent

active

058869174

ABSTRACT:
A semiconductor integrated circuit device has power source lines capable of supplying sufficient power to a cell string area without increasing the area of the device. The device has an I/O cell area arranged at the periphery of the device, to transmit and receive signals to and from the outside of the device. The cell string area contains cell strings each made of a sequence of logic gate cells and connected to the power source lines extending from the I/O cell area. The device further has a macro block between the I/O cell area and the cell string area, to provide at least one function. The power source lines extend from part of the I/O cell area, which is opposite to the cell string area across the macro block, to the cell string area by passing over the macro block. An insulation layer is formed between the macro block and the power source lines, to electrically isolate the macro block from the power source lines.

REFERENCES:
patent: 5293559 (1994-03-01), Kim et al.
patent: 5321658 (1994-06-01), Ishimura et al.
patent: 5426615 (1995-06-01), Tomishima et al.
patent: 5687108 (1997-11-01), Proebsting
patent: 5699189 (1997-12-01), Takenaka
patent: 5748549 (1998-05-01), Kometani et al.

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