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:
May. 18, 1993
Filed:
Dec. 02, 1991
Hiroshi Asazawa, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A flip-flop circuit includes a hysteresis inverter, a data input terminal, a data output terminal, a clock input terminal and a transfer gate. The hysteresis inverter has a first inverter whose input and output nodes are connected respectively to the data input and output terminals, and a second inverter whose input and output node are connected respectively to the data output and input terminals. The transfer gate is connected between the data input and output terminals, and turns on and off in response to a clock signal applied to the clock input terminal, thereby changing hysteresis area or effects of the hysteresis inverter. The transfer gate causes the area of hysteresis to be variable, so that the circuit requires only a small number of gate stages, can operate at a high speed, and can operate at a low power supply voltage.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile