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. 11, 2003
Filed:
Dec. 29, 2000
Applicant:
Inventor:
Jungwook Yang, West Nyack, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 1/9086 ; H03K 1/902 ;
U.S. Cl.
CPC ...
H03K 1/9086 ; H03K 1/902 ;
Abstract
In a current mode logic (CML) circuit, a high impedance state is implemented at the output for a bi-directional buffer. The output common mode voltage can be adjusted at the same time, which is particularly useful for a CML off-chip driver.