The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 13, 1998

Filed:

Jan. 03, 1997
Applicant:
Inventors:

Yasuo Torimaru, Nara-ken, JP;

Atsushi Semi, Osaka, JP;

Kaneo Kawaishi, Nara-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03B / ;
U.S. Cl.
CPC ...
327108 ; 326 87 ;
Abstract

A buffer circuit according to the present invention includes an input terminal for inputting an input signal, an inverter circuit for inverting the input signal and outputting the inverted input signal to an output terminal, wherein the inverter circuit has a plurality of PMOS transistors and a plurality of NMOS transistors; each of the plurality of PMOS transistors has a source connected to a power source, a drain connected to the output terminal, and a gate connected to the input terminal; each of the plurality of NMOS transistors has a source connected to a ground, a drain connected to the output terminal, and a gate connected to the input terminal; and the gate of at least one of the plurality of PMOS transistors and NMOS transistors is connected to the input terminal via a fuse element which can be selectively disconnected.


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