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:
Dec. 02, 2025
Filed:
Jan. 04, 2024
Piecemakers Technology, Inc., Hsinchu, TW;
Ming-Hung Wang, Hsinchu, TW;
PieceMakers Technology, Inc., Hsinchu, TW;
Abstract
A method for handling defective regular local wordlines in a memory module is provided. The method includes: providing one or more sets of spare local wordlines; utilizing a spare control logic to generate a plurality of match signals by comparing an input address with a plurality of fail addresses; utilizing the spare control logic to generate at least one assignable bit according to the plurality of match signals; utilizing a local wordline pre-decoder to generate a local wordline activation signal according to one of at least one bit of the input address and the at least one assignable bit; and in accordance with the input address and the local wordline activation signal, utilizing the one or more spare wordline decoders to activate one spare local wordline from the one or more sets of spare local wordlines for repairing/replacing a defective regular local wordline.