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:
Sep. 16, 1986
Filed:
Feb. 09, 1984
Applicant:
Inventor:
Lal C Sood, Austin, TX (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ; H03K / ;
U.S. Cl.
CPC ...
307475 ; 307443 ; 307452 ; 307362 ; 3072 / ;
Abstract
An input buffer which can be used as a TTL to CMOS input buffer in a CMOS integrated circuit has a CMOS input inverter for receiving an external input signal. The typical threshold voltage of the P and N channel transistors is relatively low for high speed operation. At least one of the P and N channel transistors of the input inverter has the magnitude of its threshold voltage increased by applying appropriate back bias voltage in the well in which it resides.