Semiconductor device with noise control

Details Semiconductor device with noise control Semiconductor device with noise control

2005-12-14

2008-08-05

Le, Thao X. (Department: 2892)

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

Gate arrays

With particular chip input/output means

C257SE31110

Reexamination Certificate

active

07408209

ABSTRACT:
Radiation noise is reduced, and any operation error is prevented by suppressing noise propagation between an input/output circuit and an internal circuit while preventing or minimizing an increase in the number of steps of semiconductor element design. A semiconductor device having an input/output circuit region and an internal circuit region includes an internal circuit power supply cell which is arranged in the input/output circuit region and supplies a power to the internal circuit region, an internal circuit ground cell which is arranged in the input/output circuit region and supplies ground to the internal circuit region, and noise control cells which are arranged to sandwich the internal circuit power supply cell and the internal circuit ground cell in the input/output circuit region and formed by electrically connecting a p-type semiconductor substrate to ground independently of the input/output circuit region and the internal circuit region.

REFERENCES:
patent: 6479869 (2002-11-01), Hiraga
patent: 1-103859 (1989-04-01), None
patent: 3040398 (2000-03-01), None
patent: 2001-102525 (2000-04-01), None
patent: 2001-110991 (2001-04-01), None
patent: 2001-127249 (2001-05-01), None
patent: 2002-246553 (2002-08-01), None

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