Input and output circuit of an integrated circuit chip

Details Input and output circuit of an integrated circuit chip Input and output circuit of an integrated circuit chip

2007-11-06

2007-11-06

Parekh, Nitin (Department: 2811)

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

Combined with electrical contact or lead

Configuration or pattern of bonds

C257S773000, C257S203000, C257S691000, C257S660000, C257SE23020

Reexamination Certificate

active

10906496

ABSTRACT:
An input and output circuit of an integrated circuit chip for exchanging signals between logic circuits of the integrated circuit chip and a system. The input and output circuit includes a plurality of power rings for providing a plurality of power sources, a plurality of input and output pads for transmitting signals, a sequence of input and output cells for transmitting signals, and a plurality of electrostatic discharge protection cells deposited within the sequence of input and output cells for performing electrostatic discharge protection for the input and output cells, wherein the plurality of electrostatic discharge protection cells are not coupled to any input and output pads.

REFERENCES:
patent: 5535084 (1996-07-01), Nakayama
patent: 5548135 (1996-08-01), Avery
patent: 5671026 (1997-09-01), Shiraki et al.
patent: 5731945 (1998-03-01), Bertin et al.
patent: 2001/0015447 (2001-08-01), Shinomiya
patent: 2004/0026741 (2004-02-01), Saito et al.
patent: 2004/0207079 (2004-10-01), Matsumoto

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