Semiconductor integrated circuit

Details Semiconductor integrated circuit Semiconductor integrated circuit

2006-02-28

2006-02-28

Le, Don (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Having details of setting or programming of interconnections...

C326S041000, C257S203000

Reexamination Certificate

active

07005887

ABSTRACT:
A semiconductor integrated circuit is provided, which includes a first group of cells, in which a plural of I/O cells and/or power source cells for external input and/or output are arranged along a direction of the outer periphery of the semiconductor integrated circuit, and a second group of cells on an inner side of the first group of cells in which a plural of I/O cells and/or power source cells for external input and/or output are arranged along a direction of the outer periphery of the semiconductor integrated circuit. The intervals between the cells forming the second group of cells are wider than those between the cells forming the first group of cells.

REFERENCES:
patent: 5300796 (1994-04-01), Shintani
patent: 6721933 (2004-04-01), Iwasa
patent: 6836026 (2004-12-01), Ali et al.
patent: 2003/0057549 (2003-03-01), Sei
patent: 56-140647 (1981-11-01), None
patent: 11-150204 (1999-06-01), None

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