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:
Nov. 18, 2003
Filed:
Mar. 15, 2002
Toshio Sunaga, Ohtsu, JP;
Shinpei Watanabe, Yokohama, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
The present invention discloses a method for data input/output for memory which minimizes losses of data interruption when switching between reading and writing. A method for data input/output comprises the steps of: holding predetermined data from memory array upon m-th (m is integer) read command; outputting the predetermined data to common I/O and holding new data from memory array upon (m+1)-th read command; holding predetermined data from common I/O upon n-th (n is integer) write command; and storing the predetermined data in memory array and holding new data from common I/O upon (n+1)-th write command.