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. 19, 1991
Filed:
Dec. 08, 1989
Applicant:
Inventors:
Richard G Cliff, Plymouth, GB;
Kenneth Austin, Cheshire, GB;
Assignee:
Pilkington Micro-Electronics Limited, St. Helens, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; H03K / ;
U.S. Cl.
CPC ...
307465 ; 307443 ; 307451 ; 307468 ; 307469 ; 307480 ; 307242 ; 307573 ; 307576 ;
Abstract
A semiconductor integrated circuit comprising a configurable logic circuit array which may be programmed to configure a plurality of NAND-gates in the array to preform various and different logic functions. An additional logic circuit is provided at each discrete site or cell, and is controllable to cause the additional logic circuit and the logic circuit to implement either a simple NAND logic function or a simple LATCH logic function.