Patents by Inventor John Thendean

John Thendean has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20060288069
    Abstract: An Integrated Circuit (IC) having a single-instruction-multiple-data (SIMD) is disclosed. The SIMD circuit includes: a plurality of multiplexers controlled by a first opcode; and an arithmetic logic unit (ALU) coupled to the plurality of multiplexers and controlled by a second opcode; and wherein the ALU has a plurality of adders, where the plurality of adders are controlled by some bits of the second opcode, and where a first adder of the plurality of adders adds a plurality of input bits to produce first summation bits and a first carry bit; the first adder operating concurrently with the other adders of the plurality of adders.
    Type: Application
    Filed: May 12, 2006
    Publication date: December 21, 2006
    Applicant: Xilinx, Inc.
    Inventors: James Simkins, Jennifer Wong, Bernard New, Alvin Ching, John Thendean, Anna Wong, Vasisht Vadi
  • Publication number: 20060288070
    Abstract: A method for detecting a pattern from an arithmetic logic unit (ALU) in an integrated circuit. The method includes the steps of: generating an output from an ALU; bitwise comparing the ALU output to a pattern to produce a first output; inverting the pattern and comparing the ALU output with the inverted pattern to produce a second output; bitwise masking the first and second outputs using a mask of a plurality of masks to produce third and fourth output bits; combining the third and fourth output bits to produce first and a second output comparison bits; and storing the first and second output comparison bits in a memory.
    Type: Application
    Filed: May 12, 2006
    Publication date: December 21, 2006
    Applicant: Xilinx, Inc.
    Inventors: Vasisht Vadi, Jennifer Wong, Bernard New, Alvin Ching, John Thendean, Anna Wong, James Simkins
  • Publication number: 20060230094
    Abstract: An integrated circuit that includes a digital signal processing element (DSPE) having a first and a second register block coupled to a first arithmetic logic unit (ALU) circuit; a middle DSPE adjacent to the top DSPE having a third and a fourth register block coupled to a second ALU circuit, where the third register block is coupled to the first register block, and the fourth register block register block is coupled to the second register block; and a bottom DSPE adjacent to the middle DSPE having a fifth and a sixth register block coupled to a third ALU circuit, where the fifth register block is coupled to the third register block and the sixth register block register block is coupled to the fourth register block.
    Type: Application
    Filed: May 12, 2006
    Publication date: October 12, 2006
    Applicant: Xilinx, Inc.
    Inventors: James Simkins, Jennifer Wong, Bernard New, Alvin Ching, John Thendean, Anna Wong, Vasisht Vadi
  • Publication number: 20060230092
    Abstract: A physical floorplan for a digital signal processing (DSP) block including; an interconnect column having a plurality of programmable interconnect elements; a first DSP element having a plurality of first columns, a first output register column of the plurality of first columns positioned adjacent to the interconnect column; and a second DSP element, having a plurality of second columns a second output register column of the plurality of second columns positioned adjacent to the interconnect column.
    Type: Application
    Filed: May 12, 2006
    Publication date: October 12, 2006
    Applicant: Xilinx, Inc.
    Inventors: Alvin Ching, Jennifer Wong, Bernard New, James Simkins, John Thendean, Anna Wong, Vasisht Vadi
  • Publication number: 20060230093
    Abstract: An integrated circuit (IC) for convergent rounding including: an adder circuit configured to produce a summation; a comparison circuit configured to bitwise compare the summation with an input pattern, bitwise mask the comparison using a mask, and combine the masked comparison to produce a comparison bit; and rounding circuitry for rounding the summation based at least in part on the comparison bit.
    Type: Application
    Filed: May 12, 2006
    Publication date: October 12, 2006
    Applicant: Xilinx, Inc.
    Inventors: Bernard New, Jennifer Wong, James Simkins, Alvin Ching, John Thendean, Anna Wong, Vasisht Vadi
  • Publication number: 20060230096
    Abstract: An integrated circuit having a digital signal processing (DSP) circuit is disclosed. The DSP circuit includes: a plurality of multiplexers receiving a first set, second set, and third set of input data bits, where the plurality of multiplexers are coupled to a first opcode register; a bitwise adder coupled to the plurality of multiplexers for generating a sum set of bits and a carry set of bits from bitwise adding together the first, second, and third set of input data bits; and a second adder coupled to the bitwise adder for adding together the sum set of bits and carry set of bits to produce a summation set of bits and a plurality of carry-out bits, where the second adder is coupled to a second opcode register.
    Type: Application
    Filed: May 12, 2006
    Publication date: October 12, 2006
    Applicant: Xilinx, Inc.
    Inventors: John Thendean, Jennifer Wong, Bernard New, Alvin Ching, James Simkins, Anna Wong, Vasisht Vadi
  • Publication number: 20060230095
    Abstract: A digital signal processing circuit having a pre-adder circuit includes; a first register block and a pre-adder circuit coupled to a multiplier circuit and to a set of multiplexers, where the set of multiplexers are controlled by an opcode, and where the pre-adder circuit has a first adder circuit; and an arithmetic logic unit (ALU) having a second adder circuit and coupled to the set of multiplexers.
    Type: Application
    Filed: May 12, 2006
    Publication date: October 12, 2006
    Applicant: Xilinx, Inc.
    Inventors: James Simkins, John Thendean, Vasisht Vadi, Bernard New, Jennifer Wong, Anna Wong, Alvin Ching
  • Publication number: 20060212499
    Abstract: A digital signal processing block having: 1) a first digital signal processing element including: a first multiplexer of a first plurality of multiplexers, the first multiplexer selecting between a first data input and a first zero constant input; and a first arithmetic unit coupled to the first plurality of multiplexers, the first arithmetic logic unit configured for addition; and 2) a second digital signal processing element including: a second multiplexer of a second plurality of multiplexers, the second multiplexer selecting between a second data input and a second zero constant input; and a second arithmetic unit coupled to the second plurality of multiplexers and to a third multiplexer of the first plurality of multiplexers, the second arithmetic unit configured for addition.
    Type: Application
    Filed: May 12, 2006
    Publication date: September 21, 2006
    Applicant: Xilinx, Inc.
    Inventors: Bernard New, Vasisht Vadi, Jennifer Wong, Alvin Ching, John Thendean, Anna Wong, James Simkins
  • Publication number: 20060206557
    Abstract: An Arithmetic Logic Unit that includes first multiplexers coupled to a first adder, the first multiplexers controlled by a first opcode register; second multiplexers receiving input from the first adder and coupled to a second adder; and a second opcode register for controlling one or more of the second multiplexers, the first adder, or the second adder. A combination of the bits in the first and second opcode registers configures the ALU to perform one or more arithmetic operations or one or more logic operations or any combination thereof.
    Type: Application
    Filed: May 12, 2006
    Publication date: September 14, 2006
    Applicant: Xilinx, Inc.
    Inventors: Anna Wing Wah Wong, Jennifer Wong, Bernard New, Alvin Ching, John Thendean, James Simkins, Vasisht Mantra Vadi, David Schultz
  • Publication number: 20060195496
    Abstract: An integrated circuit for pattern detection including: an arithmetic logic unit coupled to a comparison circuit, where the arithmetic logic unit is programmed by an opcode; a selected pattern of a plurality of patterns selected by a first multiplexer, where the first multiplexer is coupled to the comparison circuit; and a register coupled to the comparison circuit for storing at least a partial comparison between an output of the arithmetic logic unit and the selected pattern.
    Type: Application
    Filed: May 12, 2006
    Publication date: August 31, 2006
    Applicant: Xilinx, Inc.
    Inventors: Vasisht Vadi, Jennifer Wong, Bernard New, Alvin Ching, John Thendean, Anna Wong, James Simkins
  • Publication number: 20060190516
    Abstract: A digital signal processing circuit including: a multiplier circuit; a plurality of. multiplexers coupled to the multiplier circuit and controlled by a first opcode; and an arithmetic logic unit coupled to plurality of multiplexers and controlled by a second opcode.
    Type: Application
    Filed: April 21, 2006
    Publication date: August 24, 2006
    Applicant: Xilinx, Inc.
    Inventors: James Simkins, Jennifer Wong, Bernard New, Alvin Ching, John Thendean, Anna Wong, Vasisht Vadi, David Schultz