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. 26, 1995
Filed:
Jan. 28, 1994
Applicant:
Inventors:
William Giolma, Dallas, TX (US);
Srinivasan Venkatraman, Bangalore, IN;
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F / ;
U.S. Cl.
CPC ...
323315 ; 327536 ; 323312 ;
Abstract
A charge pump (10) having a current source (12) and a current sink (14) is provided. Current source (12) generates one of two output currents using current mirror (16) and switch (18). Switch (18) selects between the two outputs based on a signal from source control (20). Current sink (14) generates one of two currents using current mirrors (44) and (46), and switch (48). Switch (48) selects from two currents generated by current mirrors (44) and (46).