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KSZ9021RN - Microchip

Description: Ethernet Transceiver RGMII Interface Micrel KSZ9021RN, 1000BASE-T, 100BASE-TX, 10BASE-T, IEEE 802.3 Physical Layer Transceiver, 1.2 V, 48-Pin QFN

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KSZ9021RN - Microchip - PCB symbol
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PCB Footprints
KSZ9021RN - Microchip PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 48-Pin (7mm x 7mm) QFN
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3D Models
KSZ9021RN - Microchip - 3D model - Quad Flat No-Lead - 48-Pin (7mm x 7mm) QFN
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KSZ9021RN Details

  • Manufacturer Part Number:

    KSZ9021RN

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Package Description:

    QFN-48

  • Pin Count:

    48

  • Manufacturer Package Code:

    VQFN-48

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8517.70.00.00

  • Factory Lead Time:

    31 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    0

  • Data Rate:

    1000000 Mbps

  • JESD-30 Code:

    S-XQCC-N48

  • JESD-609 Code:

    e4

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Number of Transceivers:

    1

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC48,.27SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.9 mm

  • Supply Voltage-Nom:

    1.2 V

  • Surface Mount:

    YES

  • Telecom IC Type:

    ETHERNET TRANSCEIVER

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

KSZ9021RN Frequently Asked Questions (FAQs)

  • The recommended PCB layout for the KSZ9021RN is to use a 4-layer board with a solid ground plane, and to keep the analog and digital signals separate to minimize noise and interference.
  • The KSZ9021RN can be configured for half-duplex or full-duplex operation by setting the appropriate registers. For half-duplex operation, set the TXEN and RXEN pins accordingly. For full-duplex operation, set the TXEN pin high and the RXEN pin low.
  • The maximum cable length supported by the KSZ9021RN is 100 meters, assuming a Category 5e or higher cable.
  • To troubleshoot issues with the KSZ9021RN, check the power supply voltage, clock frequency, and signal integrity. Use an oscilloscope to verify the signal waveforms and check for any signal distortion or noise.
  • The KSZ9021RN is designed to support standard Ethernet protocols (10/100 Mbps). Using a non-standard protocol may require custom firmware development and is not recommended.

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KSZ9021RN Overview

Use the download button to access the KSZ9021RN schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like KSZ90, or try a keyword search, such as Network Interfaces

About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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