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:
Nov. 13, 1984
Filed:
Jan. 21, 1981
Setsufumi Kamuro, Yamatokoriyama, JP;
Yoshifumi Masaki, Tondabayashi, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A chip selection circuit connected to select one of a plurality of semiconductor circuits including at least one memory circuit for addressing purposes, comprises first and second circuit elements directly coupled to each other at a point, at least one of the first and second circuit elements comprising an MOS transistor where the gate electrode is connected to the source electrode, a power source being applied between the first and second circuit elements by the application of a first voltage to the first circuit element and a second voltage to the second circuit element, and an exclusive AND gate circuit provided for receiving the output from the point and chip selection enabling signals to provide chip selection signals.