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:
Mar. 03, 2009
Filed:
Nov. 28, 2005
Jean-marc Dortu, Tokyo, JP;
Jean-Marc Dortu, Tokyo, JP;
Infineon Technologies AG, Munich, DE;
Abstract
The present invention relates to a method for operating a semiconductor memory apparatus, comprising: transmitting a command instruction, particularly a write instruction and/or a read instruction, to the semiconductor memory apparatus; transmitting a data signal to and/or from the semiconductor memory apparatus; and transmitting a data clock signal is transmitted for the purpose of latching the data signal; wherein the preamble (P), which is the number of clock cycles between the first edge of the data clock signal (WQDS) and the first bit (D) of the data signal (DQ), can be set. The invention also relates to a semiconductor memory system comprising a semiconductor memory apparatus and a processor unit configured to perform the method.