US Patent 7109765 Programmable phase shift circuitry

Patent 7109765 was granted and assigned to Altera on September, 2006 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Altera

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7109765

Date of Patent

September 19, 2006

Patent Application Number

10996186

Date Filed

November 22, 2004

Patent Primary Examiner

‌

Timothy P. Callahan

Patent abstract

A circuit provides a programmable phase shift feature, where the phase shift is programmably selectable by a user. This circuitry may be incorporated in a programmable logic device (PLD) or field programmable gate array (FPGA) to provide additional programmability features. The programmable phase shift circuitry may be implemented within a phase locked loop (PLL) or delay locked loop (DLL) circuit.