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:
Jul. 07, 1987
Filed:
Jan. 08, 1986
Applicant:
Inventors:
Nader Vasseghi, Mountain View, CA (US);
Donald G Goddard, Cupertino, CA (US);
Robert E Eccles, Santa Clara, CA (US);
Assignee:
Advanced Micro Devices, Inc., Sunnyvale, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ; H03K / ; H03K / ; H03K / ;
U.S. Cl.
CPC ...
307446 ; 307570 ; 307473 ; 307456 ; 307451 ; 307443 ;
Abstract
Output buffer circuits formed of merged bipolar transistor and CMOS transistors to produce either two output states or three output states includes a plurality of CMOS transistors and a pair of bipolar transistors. The output buffer circuits have high current drive capabilities and low propagation delay.