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Xilinx Inc patents

Recent patent applications related to Xilinx Inc. Xilinx Inc is listed as an Agent/Assignee. Note: Xilinx Inc may have other listings under different names/spellings. We're not affiliated with Xilinx Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "X" | Xilinx Inc-related inventors

 new patent  Modular testing system with versatile robot

A chip package assembly testing system and method for testing a chip package assembly are provided herein. In one example, the testing system includes a robot disposed in an enclosure and having a range of motion operable to transfer a chip package assembly between any of a first queuing station,... Xilinx Inc

Method and clock phase generation

A method, non-transitory computer readable medium, and circuit for clock phase generation are disclosed. The circuit includes an injection locked oscillator, a loop controller, and a phase interpolator. The injection locked oscillator includes an input for receiving an injected clock signal and an output for forwarding a set of fixed... Xilinx Inc

Stacked silicon package assembly having conformal lid

A chip package assembly and method for fabricating the same are provided which utilize a conformal lid to improve the chip package assembly from deformation. In one example, a chip package assembly is provided that includes integrated circuit (IC) dies, a packaging substrate, and a lid. The packaging substrate has... Xilinx Inc

Circuit for and implementing a scan chain in programmable resources of an integrated circuit

A circuit for implementing a scan chain in programmable resources of an integrated circuit is described. The circuit comprises a programmable element configured to receive an input signal and generate an output signal based upon the input signal; a selection circuit configured to receive the output signal generated by the... Xilinx Inc

Memory pre-fetch for virtual memory

Virtual memory pre-fetch requests are generated for a virtual memory and a multiple port memory management unit (MMU) circuit. Virtual memory access requests sent to a particular port of the MMU circuit are monitored. In response to the satisfaction of a trigger condition, virtual memory pre-fetch requests are generated and... Xilinx Inc

Circuit for and receiving an input signal

A circuit for receiving an input signal is described. The receiver comprises a first receiver input configured to receive a first input of a differential input signal; a second receiver input configured to receive a second input of a differential input signal; a differential pair having an inverting input and... Xilinx Inc

Single event upset (seu) mitigation for finfet technology using fin topology

Front end circuits that include a FinFET transistor are described herein. In one example, the front end circuit has a FinFET transistor that includes a channel region wrapped by a metal gate, the channel region connecting a source and drain fins. At least one of the source and drain fins... Xilinx Inc

Half-rate integrating decision feedback equalization with current steering

Apparatuses and method relating to DFE include a decision feedback equalizer with first and second integrating summers configured to receive an input differential signal. A bias current circuit is configured to alternate biasing of the first and second integrating summers. The first and second integrating summers alternately integrate, during clock... Xilinx Inc

Linear gain code interleaved automatic gain control circuit

An example automatic gain control (AGC) circuit includes a base current-gain circuit having a programmable source degeneration resistance responsive to first bits of an AGC code word. The AGC circuit further includes a programmable current-gain circuit, coupled between an input and an output of the base current-gain circuit, having a... Xilinx Inc

Chip package assembly with power management integrated circuit and integrated circuit die

A chip package assembly is provided that includes a substrate, at least one integrated circuit (IC) die and a power management integrated circuit (PMIC). In one example, the IC die of the chip package assembly is disposed on a first surface of the substrate. The PMIC die has a first... Xilinx Inc

System-level interconnect ring for a programmable integrated circuit

An example programmable integrated circuit (IC) includes a programmable fabric having a programmable interconnect and wire tracks adjacent to at least one edge of the programmable fabric. The programmable IC further includes at least one ring node integrated with at least one edge of the programmable fabric, the at least... Xilinx Inc

Active-by-active programmable device

An example integrated circuit (IC) system includes a package substrate having a programmable integrated circuit (IC) and a companion IC mounted thereon, the programmable IC including a programmable fabric and the companion IC including application circuitry. The IC system further includes a system-in-package (SiP) bridge including a first SiP IO... Xilinx Inc

Channel selection in multi-channel switching network

Methods and systems are disclosed for selecting channels for routing signals in a multi-channel switching network. In an example implementation, pairs of the signals that can be routed together over one channel in the multi-channel switching network are determined. A model graph is generated that has a respective vertex for... Xilinx Inc

Hardware power-on initialization of an soc through a dedicated processor

In an example, a system-on-chip (SoC) includes a hardware power-on-reset (POR) sequencer circuit coupled to a POR pin. The SoC further includes a platform management unit (PMU) circuit, coupled to the hardware POR sequencer circuit, the PMU including one or more central processing units (CPUs) and a read only memory... Xilinx Inc

Folding duplicate instances of modules in a circuit design

Disclosed approaches for processing a circuit design include identifying duplicate instances of a module in a representation of the circuit design. A processor circuit performs folding operations for at least one pair of the duplicate instances of the module. One instance of the duplicates is removed from the circuit design,... Xilinx Inc

Method for increasing active inductor operating range and peaking gain

Methods and apparatus are described for a differential active inductor load for inductive peaking in which cross-coupled capacitive elements are used to cancel out, or at least reduce, the limiting effect of the gate-to-drain capacitance (Cgd) of transistors in the active inductor load. The cross-coupled capacitive elements extend the range... Xilinx Inc

Multistage boot image loading by configuration of a bus interface

An integrated circuit (IC) that includes a processor circuit can be booted by receiving, using a storage interface circuit of the IC, a first boot image from a nonvolatile memory chip. The first boot image is executed on a processor circuit of the IC to configure a bus interface module... Xilinx Inc

Methods and circuits for debugging circuit designs

Various example implementations are directed to circuits and methods for debugging circuit designs. According to an example implementation, waveform data is captured, for a set of signals produced by a circuit design during operation. Data structures are generated for the set of signals and waveform data for the signals is... Xilinx Inc

Interposer-less stack die interconnect

Techniques for providing a semiconductor assembly having an interconnect die for die-to-die interconnection, an IC package, a method for manufacturing, and a method for routing signals in an IC package are described. In one implementation, a semiconductor assembly is provided that includes a first interconnect die coupled to a first... Xilinx Inc

Direct memory access for programmable logic device configuration

Using a storage interface circuit of a programmable IC, a first set of configuration data can be communicated between a storage circuit and the programmable IC. Using the first set of configuration data, the programmable IC can be programmed to include: a bus interface module that is designed to interface... Xilinx Inc

Interactive multi-step physical synthesis

A processor-implemented method is provided for placing and routing a circuit design. A first netlist is generated for the circuit design. Placement is performed for the first netlist on a target programmable integrated circuit (IC) to produce a first placed design. A set of optimizations are performed on the first... Xilinx Inc

Stacked silicon package assembly having an enhanced lid

A method and apparatus are provided which improve heat transfer between a lid and an IC die of an IC (chip) package. In one embodiment, a chip package is provided that includes a first IC die, a package substrate, a lid and a stiffener. The first IC die is coupled... Xilinx Inc

Transmitter circuit for and methods of generating a modulated signal in a transmitter

A transmitter circuit for generating a modulated signal in a transmitter of an integrated circuit is described. The transmitter circuit comprises a multiplexing stage having a multiplexing circuit configured to receive a differential input signal and to generate a differential output signal at a first output node of a first... Xilinx Inc

Offset insensitive quadrature clock error correction and duty cycle calibration for high-speed clocking

Techniques for correcting clock distortion. The techniques include use of circuitry for detecting and correcting duty cycle distortion and quadrature clock phase distortion. For phase detection, detection circuitry is made simpler and more accurate through the use of a sampling operation in which device mismatch within detection circuitry is accounted... Xilinx Inc

Circuits for and methods of generating a modulated signal in a transmitter

A circuit for generating a modulated signal in a transmitter of an integrated circuit is disclosed. The circuit comprises a transmitter driver circuit having a first current path for receiving a first input signal of a pair of differential input signals and a second current path for receiving a second... Xilinx Inc

Method and design of low sheet resistance meol resistors

An integrated circuit structure includes: a semiconductor substrate; a shallow trench isolation (STI) region in the semiconductor substrate; one or more active devices formed on the semiconductor substrate; and a resistor array having a plurality of resistors disposed above the STI region; wherein the resistor array comprises a portion of... Xilinx Inc

M-path filter with outer and inner channelizers for passband bandwidth adjustment

Disclosed is apparatus and method to filter a signal. In such an apparatus, an outer polyphase filter is configured for receiving an input signal and for channelizing the input signal into outer filtered samples. An outer Inverse Fourier Transform block is coupled to the outer polyphase filter and configured for... Xilinx Inc

Variable bandwidth filtering

An apparatus, and related method, relates generally to viable bandwidth filtering. In such an apparatus, an analysis filter bank has path filters associated with different bandwidths and is configured for filtering and transforming an input signal having a first bandwidth into a first interleaved output. A mask is coupled to... Xilinx Inc

Variable code rate solid-state drive

An apparatus, as well as a method therefor, relates generally to managing reliability of a solid state storage. In such an apparatus, there is a memory controller for providing a code rate. An encoder is for receiving input data and the code rate for providing encoded data. The solid-state storage... Xilinx Inc

Moving mean and magnitude dual path digital predistortion

An apparatus relates generally to preconditioning an input signal. In this apparatus, a first digital predistortion module and a second digital predistortion module are for receiving the input signal for respectively providing a first predistorted signal and a second predistorted signal. A combiner is for combining the first predistorted signal... Xilinx Inc

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