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:
Oct. 18, 1988
Filed:
May. 27, 1986
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365221 ; 365189 ;
Abstract
A FIFO memory using one of the ports of a RAM having two or more ports for writing and another port for reading is disclosed. Writing into the FIFO memory is done instantly, while reading from the FIFO memory is effected by holding the output of the preliminarily accessed RAM until the end of a reading operation. The output of the RAM is updated by a request from outside and according to the state of the FIFO memory, and this operation is done simultaneously with reading or writing.
Quick Actions:
Kaneko, Katsuyuki. (1988). First-in-first-out memory capable of simultaneous readings and writing (U.S. Patent No. 4779234). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4779234
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