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. 22, 2000
Filed:
Dec. 20, 1996
Applicant:
Inventors:
Richard J Wong, Saratoga, CA (US);
Paige A Kolze, Mountain View, CA (US);
Assignee:
QuickLogic Corporation, Sunnyvale, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
326 38 ; 326 83 ; 326103 ;
Abstract
Internal net drivers of a field programmable gate array are laid out with additional transistors to increase current drive capability at low supply voltages when a low supply voltage mask option is used. When a high supply voltage mask option is used, the additional transistors are not used in this way and the net drivers do not provide additional switching current drive capability. In some embodiments, were a low supply voltage mask option net driver operated at the high supply voltage, an impermissibly large switching current would flow through a programmed antifuse in a net coupled to the output of the net driver.