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Smart network interface card (NIC)

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Block diagram

Smart network interface card (NIC)

Block diagram

Overview

Our integrated circuits and reference designs help you create smart network interface cards (NICs) that enable efficient, high-speed data transmission without loss of signal quality. Use the interactive diagram below to design any type of NIC, from basic to programmable, to create the backbone of the data center.

Design requirements

Today's smart NIC designs require:

  • Advanced power solutions for programmable ASICs.
  • High-bandwidth, low-signal-loss processing.
  • Multiple interface communication protocols.
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Block diagram

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Smart network interface card (NIC)

I2C I2C SPI SPI 12V 12V 3.3V 3.3V SPI SPI Clock Clock QSFP module QSFP module PCIe connector PCIe connector I2C I2C 3.3V AUX 3.3V AUX POL power (FPGA, ASIC, merchant Si, clocks, etc.) POL power (FPGA, ASIC, merchant Si, clocks, etc.) Buck converters Buck converters Power stage Power stage Multiphase controller Multiphase controller MOSFETs MOSFETs LDO LDO Buck controller Buck controller Clocking Clocking Clock generator Clock generator Oscillator Oscillator Buffer Buffer Sensing Sensing Current sensing Current sensing Current limiter Current limiter Temperature sensing Temperature sensing eFuse eFuse Communication Communication SPI mux SPI mux SPI flash memory SPI flash memory Buffer Buffer Shift register Shift register I2C expander I2C expander Voltage translation Voltage translation I2C MUX I2C MUX Digital processing Digital processing Sequencer Sequencer CPLD controller CPLDcontroller ASIC/FPGA ASIC/FPGA Logic buffer Logic buffer Ethernet phy Ethernet phy MCU MCU Encryption IC Encryption IC ESD protection ESD protection Level shift Level shift Retimer Retimer Load switch Load switch Memory Memory EEPROM EEPROM DDR5 DDR5

Technical documentation

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Type Title Date
More literature Advanced Signal Conditioning Made Easy and Efficient 24 Jan 2017
Application note Noise Analysis for High Speed Op Amps (Rev. A) 19 Jan 2005
Application note Advanced Linear Repeater Used in PCIe 3.0 Add-in Card Compliance Environment 03 Oct 2014
Analog Design Journal The intricacies of signal integrity in high-speed communications 02 May 2016

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