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.

Date of Patent:
Feb. 20, 1990

Filed:

Sep. 26, 1988
Applicant:
Inventors:

Thomas S Spohrer, Austin, TX (US);

Bernard C Dewitt, Austin, TX (US);

Assignee:

Motorola, Inc., Schaumburg, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
307482 ; 307443 ; 307452 ; 307578 ;
Abstract

An inverting latching bootstrap driver is used to drive a load where the input to the driver may change during the driving phase. The input to the driver circuit is controlled by a precharge/discharge type decoder. The bootstrap driver samples the input during the same phase the decoder discharges, and isolates the input while the decoder precharges. Accordingly, the decoder is precharged during the same phase that the bootstrap output is driven. The circuit implementation uses a transistor in series with the enhancement device of the inverter to disable the inverter while the bootstrap is fired. Since the device used to isolate the booting charge is a depletion mode device, the booting node will be able to rise to a full V.sub.DD *2.


Find Patent Forward Citations

Spohrer, Thomas. (1990). Inverting latching bootstrap driver with v.sub.dd *2 booting (U.S. Patent No. 4902919). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4902919

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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