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:
May. 25, 1999
Filed:
Oct. 20, 1993
Applicant:
Inventors:
Ward D Parkinson, Boise, ID (US);
Jeffrey S Mailloux, Boise, ID (US);
Eugene H Cloud, Boise, ID (US);
Assignee:
Micron Technology, Inc., Boise, ID (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365195 ; 365193 ; 365 51 ;
Abstract
A Mask Write mode for a semiconductor memory responds to an enable command. This permits a by-four chip to provide parity information for four sectors of memory. The invention allows the latching of mask data on a rising edge of CAS so that new mask data can be entered in Page Mode.