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:
Feb. 21, 1989
Filed:
Sep. 16, 1987
Fujitsu Limited, Kanagawa, JP;
Fujitsu Vlsi Limited, Aichi, JP;
Abstract
A transfer gate circuit including a first MIS transistor which transmits an input signal supplied from an input side thereof to an output side thereof in accordance with a control signal supplied to a gate of the first MIS transistor; an inverter circuit connected between power supply lines which inverts the potential of the transmitted input signal; and an output level guarantee circuit comprising second and third MIS transistors which have conductivity type opposite to that of the first MIS transistor and are connected in series between one of the power supply lines and the output side, an output signal of the inverter circuit being supplied to a gate of the second MIS transistor, an inverted signal of the control signal supplied to the gate of the first MIS transistor being supplied to a gate of the third MIS transistor.