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.

Date of Patent:
Nov. 12, 2002

Filed:

May. 27, 1999
Applicant:
Inventor:

Koji Hirairi, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/200 ;
U.S. Cl.
CPC ...
G06F 1/200 ;
Abstract

A synchronized FIFO memory circuit includes a random access memory and a FIFO controller having a decreased critical-path length. The synchronized FIFO circuit comprises a first counter for counting a number representing a Read Pointer, a second counter for counting a number representing a Write Pointer, a third counter for holding and managing the number of remaining empty entries in the FIFO memory circuit, and comparison means for comparing the value of the third counter with a constant value. Write Ready, Read Ready, Full, Empty, Almost Full and Almost Empty which are status signals of the FIFO memory circuit are produced at a high speed by comparison carried out by the comparison means without using a subtractor.


Find Patent Forward Citations

Hirairi, Koji. (2002). Synchronized fifo memory circuit (U.S. Patent No. 6480942). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6480942

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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