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:
Aug. 03, 1999
Filed:
Feb. 28, 1997
Kang Woo Lee, Allentown, PA (US);
Lucent Technologies Inc., Murray Hill, NJ (US);
Abstract
An integrated circuit having a memory which includes an array of data storage cells is provided with a redundant array and a signal-directing circuit. A row or column signal for a defective cell, if present, as well as each successively higher row or column signal, is directed to sequentially higher address locations in the array to thereby avoid the defective cell address location. The last row or column signal is directed to the address location of the redundant array. A fuse is preferably associated with each row or column signal which may be selectively melted to direct the row or column signals. The array can be logically divided into subarrays each having an associated redundant array so that defects in each subarray can be accommodated.