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:
Apr. 10, 2007
Filed:
Sep. 13, 2004
Applicant:
Gareth Feighery, Santa Cruz, CA (US);
Inventor:
Gareth Feighery, Santa Cruz, CA (US);
Assignee:
Cypress Semiconductor Corporation, San Jose, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 19/0175 (2006.01); H03K 19/094 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and an apparatus are described for a voltage tolerant input buffer. An embodiment of an input buffer includes a differential circuit and a plurality of switches coupled with the differential circuit. The plurality of switches applies a voltage to the differential circuit in a first state and isolate the differential circuit from the voltage in a second state.