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KSZ9021GN - Microchip

Description: Microchip KSZ9021GN, 1000BASE-T, 100BASE-TX, 10BASE-T, IEEE 802.3 Ethernet Transceiver, 1.2 V, 3.3 V, 64-Pin QFN

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Symbol
KSZ9021GN - Microchip - PCB symbol
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PCB Footprints
KSZ9021GN - Microchip PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 64 QFN
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3D Models
KSZ9021GN - Microchip - 3D model - Quad Flat No-Lead - 64 QFN
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KSZ9021GN Details

  • Manufacturer Part Number:

    KSZ9021GN

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    8 X 8 MM, LEAD FREE, QFN-64

  • Pin Count:

    64

  • Manufacturer Package Code:

    VQFN-64

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8517.70.00.00

  • Factory Lead Time:

    10 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    0

  • Data Rate:

    1000000 Mbps

  • JESD-30 Code:

    S-XQCC-N64

  • JESD-609 Code:

    e4

  • Length:

    8 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    64

  • Number of Transceivers:

    1

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC64,.32SQ,16

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Screening Level:

    TS 16949

  • 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:

    0.4 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    8 mm

KSZ9021GN Frequently Asked Questions (FAQs)

  • The recommended PCB layout for the KSZ9021GN involves placing the device near the RJ-45 connector, using a solid ground plane, and minimizing the length of the traces between the device and the magnetics. A 4-layer PCB is recommended, with the top layer for signals, the second layer for the ground plane, the third layer for power, and the bottom layer for the ground plane.
  • To optimize the performance of the KSZ9021GN in a noisy environment, ensure proper grounding, use a common-mode choke, and add ferrite beads to the power supply lines. Additionally, use a shielded RJ-45 connector and keep the PCB layout as compact as possible to reduce EMI radiation.
  • The KSZ9021GN supports cable lengths up to 100 meters, as specified in the IEEE 802.3 standard. However, the actual cable length may vary depending on the quality of the cable, the environment, and the specific application.
  • The KSZ9021GN can be configured for half-duplex or full-duplex operation through the MDIO interface. The device can be set to half-duplex mode by writing to the BMCR register, and to full-duplex mode by writing to the ADVERTISE register.
  • The power consumption of the KSZ9021GN varies depending on the operating mode and the link speed. In typical operating conditions, the device consumes around 350-400 mW in 1000BASE-T mode and around 200-250 mW in 10/100BASE-TX mode.

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KSZ9021GN Overview

Use the download button to access the KSZ9021GN schematic symbol, PCB footprint, and 3D model.
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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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