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:
Jun. 25, 2002
Filed:
Oct. 03, 2000
Applicant:
Inventor:
Philip A. Jeffery, Tempe, AZ (US);
Assignee:
Semiconductor Components Industries LLC, Phoenix, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 1/920 ; H03K 1/9086 ;
U.S. Cl.
CPC ...
H03K 1/920 ; H03K 1/9086 ;
Abstract
A differential logic gate providing complimentary input and complimentary output operation. Transistors ( ) provide the differential input and emitter follower transistors ( ) provide the complimentary outputs. Enhanced output high logic levels are enabled by PNP transistors ( ). PNP transistors ( ) supply base current drive to transistors ( ) which boosts the output logic high voltage values presented at terminals (Q,Q-compliment) by reducing collector resistor voltage drop across resistors ( ). PNP transistors ( ) remain in their respective conductive states due to voltage regulators ( ) to provide for faster operation.