An IC that performs integer and fractional divisions is disclosed. The IC comprises a plurality of shift registers that forms a shift register ring. Consecutive shift registers are coupled to each other through a multiplexer. The IC also includes a multiplexer controller that determines the shift registers to be activated within the shift register ring. …

Legal parties

Inventors (applicants): Chuan Thim Khoŕ, Teng Chow Ooi
Assignees (initial): Altera Corporation (San Jose, US)
Agents: Womble Carlyle Sandridge & Rice LLP (attorney)

The application was examined by Tuan T Lam (USPTO dept. 2842)


  • 1. An integrated circuit (IC) comprising: …
  • 2. The IC in claim 1 , wherein the strobe generator is one of a synchronous …
  • 3. The IC in claim 1 , wherein the pattern controller comprises at least one combinational …

Cited documents


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Brief Description of the Drawings

The embodiments may be understood by reference to the following description taken in conjunction with the accompanying drawings. FIG. 1 , meant to be illustrative and not limiting, illustrates an IC …



A transceiver within an Integrated Circuit (IC) plays an important role to enable high speed digital data communications. Transceivers, typically, include transmitter circuitry to transmit signals and receiver circuitry to receive …

Detailed Description

The following embodiments describe an integrated circuit (IC) and a method for dividing a signal frequency. It will be obvious, however, to one skilled in the art, that the present …

More details about IC and a Method for Flexible Integer and Fractional Divisions

Miscellaneous patent data

The patent was granted on Apr. 8, 2014, the invention is named IC and a Method for Flexible Integer and Fractional Divisions, illustrated by 9 drawings, numbered 13/431,905 (application), the invention details are shown in 10 figures, the application was examined by Tuan T Lam (2842 USPTO department), the application publication date is Mar. 27, 2012, the published applicant's name is Chuan Thim Khoŕ, includes the following drawings: IC and a Method for Flexible, Meant to be illustrative and not limiting, Meant to be illustrative and not limiting, Meant to be illustrative and not limiting, the assignee location is San Jose (US); its organization is Altera Corporation, particularly claims an integrated circuit (IC) comprising…, the agent's company name is Womble Carlyle Sandridge & Rice LLP, the grant number is 08693616 (publication number), the inventor's first name is Teng Chow, and his last name is Ooi, the assignee is categorized as a United States company, the protection scope is defined by 20 claims, the claim 1 is exemplary as chosen by the examiner, invented by Chuan Thim Khoŕ et al., categorized under Pulse multiplication or division as a primary classification, similar categories include Gating or clocking signals applied to all stages, i.e. synchronous counters, Particular Transfer Means, Pawl and rachet, the devices being tunnel diodes, multistable, an input circuit of differential configuration, Fail-safe circuits, Counter chains with a radix or base other than the number two raised to an integral power, Using particular code or particular counting sequence, Decade.

Invention classification information

The invention is classified under Details of pulse counters or frequency dividers, Multiplication or division by a fraction, Pulse multiplication or division, Pulse counters comprising counting chains, Frequency dividers comprising counting chains.

Patent details
Publication number 08693616
Publication date Apr. 8, 2014
Kind code B1
Application number 13/431,905
Application date Mar. 27, 2012
Application type U
Application series code 13
National classification 377/47
Total number of claims 20
Exemplary claims 1
Number of drawings 9
Number of figures 10
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