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:
Mar. 16, 2010
Filed:
Nov. 08, 2005
Applicant:
David O. Erstad, Minnetonka, MN (US);
Inventor:
David O. Erstad, Minnetonka, MN (US);
Assignee:
Honeywell International Inc., Morristown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/096 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method for hardening dynamic logic against single event upset is described. A precharge circuit is hardened and then connected to two pull down networks. The two pull down networks are redundant and, under normal operating conditions, provide substantially the same outputs when receiving substantially the same inputs. The two outputs are then voted to provide an output that is hardened against single event upset. Alternatively, the two outputs may be connected to a next stage of dynamic logic circuits or other circuitry for evaluation.