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:
Oct. 27, 2020
Filed:
Jan. 16, 2020
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Tao Wang, Cupertino, CA (US);
Mansour Keramat, Los Gatos, CA (US);
Yi Chun A. Fu, Santa Clara, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/10 (2006.01); H01L 23/528 (2006.01); H01L 27/10 (2006.01);
U.S. Cl.
CPC ...
H03M 1/1033 (2013.01); H01L 23/528 (2013.01); H01L 27/101 (2013.01);
Abstract
Capacitor arrays and methods of operating a digital to analog converter are described. In an embodiment, a capacitor array includes a unit capacitor (Cu) structure characterized by a unit capacitance value, a plurality of different super-unit capacitor structures, and a plurality of different sub-unit capacitor structures, each different sub-unit capacitor structure having a different capacitance defined by a division of the unit capacitance value.