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:
Nov. 13, 2007
Filed:
Jan. 09, 2006
Johnny Chan, Fremont, CA (US);
Jeffrey Ming-hung Tsai, San Jose, CA (US);
Tin-wai Wong, Fremont, CA (US);
Johnny Chan, Fremont, CA (US);
Jeffrey Ming-Hung Tsai, San Jose, CA (US);
Tin-Wai Wong, Fremont, CA (US);
Atmel Corporation, San Jose, CA (US);
Abstract
A power down reset circuit for asserting a signal when a first Vvoltage falls below a voltage threshold. The circuit has at least one diode coupled to the first Vvoltage. The at least one diode is configured to produce a second voltage. At least one capacitor is coupled to the at least one diode to maintain the second voltage. A voltage detector asserts a signal when the first Vvoltage drops below a threshold level. The voltage detector is powered by the second voltage and is coupled to the at least one diode.