Clumn redundancy circuit with reduced signal path delay

• Main Authors: KIKUKAWA HIROHITO, CYNTHIA MAR, WEI FANGXING
• Format: Patent
• Language: English
• Published: 16.01.2002
• Edition: 7
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; INFORMATION STORAGE; PHYSICS; STATIC STORES

A semiconductor memory has memory elements arranged in memory blocks with each memory block having normal columns and at least one redundant column. In the event of a normal column being found to be defective, a redundant column may be used to replace the defective column. The semiconductor memory a...