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.
Patent No.:
Date of Patent:
Jul. 17, 1990
Filed:
Sep. 30, 1988
Keiichi Kawana, Chiba, JP;
Kawasaki Steel Corporation, Hyogo, JP;
Abstract
In a programmable input/output circuit connected to an input terminal or an output terminal of an integrated circuit, a desirable combination from signals including a signal of the input terminal, an input or output signal of a storage element, an input or output signal of a combinational logic circuit, an input or output signal of another selector and the like is selected by use of at least one programmable selector, processed and output into the output terminal, so that an input or output circuit for performing a desirable signal process can be provided. Further, at least one dynamic selector circuit is provided, so that an output signal from another input/output circuit can be input into the storage element and an output signal from the storage element can be supplied to another input/output circuit.