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. 08, 2011
Filed:
Oct. 30, 2007
Myeong-hoon OH, Daejon, KR;
Seong-woon Kim, Daejon, KR;
Myung-joon Kim, Daejon, KR;
Abstract
Provided is a delay insensitive (DI) data transfer apparatus with low power consumption. The apparatus, includes: N number of encoders configured to receive and encode input request and data signals, where each of the N number of encoders includes: a reference current source circuit configured to generate a current; and a voltage-to-current converter circuit configured to output a current having a level of 0, output the current having the level of I, and output the current having the level of 2I; and N number of decoders configured to recover the current-level signals, where each of the decoders includes: a threshold current source circuit configured to generate first and second threshold currents; an input current mirror circuit configured to differentiate the first and second threshold currents; and a current-to-voltage converter circuit configured to detect the threshold current, recover a voltage input value, and extract data and request signals.