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. 05, 1999
Filed:
May. 01, 1996
Chakra R Srivatsa, San Jose, CA (US);
Ronald J Melanson, Woodside, CA (US);
David J Greenhill, Portola Valley, CA (US);
Sun Microsystems, Inc., Palo Alto, CA (US);
Abstract
Circuits and methods for eliminating hold time violations are disclosed. A DE-type flip-flop latches a data input signal on a data input terminal a fraction of a clock period before a triggering edge of the clock signal. The DE-type flip-flop provides a data output signal for a full clock period beginning after the triggering edge of the clock signal. The DE-type flip-flop includes a latch having its data output terminal coupled to the data input terminal of a flip-flop. The flip-flop clock input pin and the latch enable terminal of the latch are connected to a clock line. The DE-type flip-flop used in place of a standard flip-flop, in which a hold time violation occurs, eliminates the hold time violation.