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:
Feb. 05, 2002
Filed:
Aug. 08, 2000
Applicant:
Inventors:
Kenneth L. Williams, Sherman, TX (US);
Rakesh N. Joshi, McKinney, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 7/00 ;
U.S. Cl.
CPC ...
G11C 7/00 ;
Abstract
A reprogrammable FIFO status flags system for determining the status of a FIFO memory having a storage capacity (depth) D generates a pair of FIFO status flags, PAF (Programmable Almost Full) and PAE (Programmable Almost Empty) that can be reprogrammed multiple times, even after FIFO writes and reads have occurred. Two offset values ('N' and 'M') are programmed into the FIFO. PAE is high only when the number of words stored in the FIFO equals N or fewer. PAF is high only when the number of words stored in the FIFO equals D minus M or more.