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:
May. 21, 2002
Filed:
Aug. 05, 1998
Yasuhiro Fujii, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A data transfer memory comprises a plurality of memory devices having the function of transferring data on a system bus or a plurality of memory modules each having the plurality of memory devices. Herein, a memory module buffer in each memory device or memory module and a controller chip located on the system bus include a return clock input/output circuit for inputting or outputting a return clock generated using a clock output from a data processing unit such as a CPU, and an output activation circuit for activating output of data from the memory device in response to a data output enabling signal generated by using the return clock output from the return clock input/output circuit.