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. 19, 1994
Filed:
Oct. 15, 1991
Applicant:
Inventors:
Gregg R Josephson, Aloha, OR (US);
Douglas H Bower, Beaverton, OR (US);
David L Tennant, Salem, OR (US);
Assignee:
Lattice Semiconductor Corporation, Hillsboro, OR (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365182 ; 365185 ; 365187 ; 365188 ; 257239 ; 257314 ; 257315 ;
Abstract
A single poly EE cell and an array using said cell, with the array being provided electrical connections such that the select gate for the read select transistor and the select gate for the write select transistor may be separately controlled. In the array, first level metal is utilized for connection to the gates of the read and write select transistors and second level metal is utilized for connection to the product term connections of the cell.