Silicon chip having mixed input/output slot structure

Details Silicon chip having mixed input/output slot structure Silicon chip having mixed input/output slot structure

1998-04-23

1999-08-31

Hardy, David B.

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

Gate arrays

With particular chip input/output means

257207, H01L 2710

Patent

active

059456965

ABSTRACT:
A silicon chip having a mixed input/output slot structure comprising a core region having a plurality of circuits formed thereon, a wiring region surrounding and linked to the core region, and an input/output area surrounding and linked to the wiring region, where the input/output area has a plurality of input/output slots and four corner cells. The input/output slots can be divided into groups with each group having a different height, and input/output slots on the same side of the input/output area all have the same height. Therefore, a choice of sides for placing the input/output slots can be made, and the layout of input/output slots around the silicon chip is not be restricted by one side. Hence, chip size can be reduced and chip surface can be fully utilized.

REFERENCES:
patent: 5347150 (1994-09-01), Sakai et al.
patent: 5401989 (1995-03-01), Kikuchi
patent: 5539223 (1996-07-01), Sugoh et al.
patent: 5641978 (1997-06-01), Jassowski
patent: 5646422 (1997-07-01), Hashizume
patent: 5777354 (1998-07-01), Cheung et al.

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