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KSZ8001
  • KSZ8001

KSZ8001

In Production

The KSZ8001 is a 10BASE-T/100BASE-TX/100BASE-FX Physical Layer Transceiver, powered by a single 3.3v supply. With core operation at 1.8 volts the device is low power, consuming typically 172mW.The solution provides MII/RMII/SMII host interfaces commonly available on Microcontrollers, Microprocessors or FPGA's with integrated IEEE 802.3 MACs. A unique mixed-signal design extends signaling distance while reducing power consumption. HP Auto MDI/MDI-X provides the most robust solution for eliminating the need to differentiate between crossover and straight-through cables.Featuring LinkMD cable diagnostics, which allows detection of common cabling plant problems such as open and short circuits, the KSZ8001 represents a new level of features and performance and is an ideal choice of physical lay...

Microchip Technology KSZ8001 Product Info

16 April 2026 1

Parameters

Automotive

No

DownstreamPorts

1

Energy Efficient Ethernet

No

EtherCAT

Yes

Port Speed

10/100Mbps

Fiber Support

Yes

HP Auto MDIX

Yes

On-Chip Termination

No

InterfaceUpStream

MII/RMII/SMII

Internal Regulator

Yes

LinkMDCableDiag

Yes

MACsec

No

Supply Voltages

3.3

SyncE

No

Temperature Range Max

85

Temperature Range Min

-40

Digital I/O Voltage

3.3

WakeonLAN

No

IEEE 1588 v2

No

Features

  • Single chip 100BASE-TX/100BASE-FX/10BASE-T physical layer solution
  • 3.3v Single supply design consuming 172mW typical
  • Robust (130m+) operation over standard cables
  • Supports Media Independent Interface (MII), Reduced MII (RMII), and Serial MII (SMII)
  • LinkMD feature to determine cable length and diagnose faulty cables up 200m with ±2m accuracy
  • Configurable through MII serial management port or via external control pins
  • Programmable LED outputs for link, activity, full/half duplex, collision, and speed
  • On-chip built-in analog front end filtering for both 100BASE-TX and 10BASE-T
  • Supports HP MDI/MDI-X auto crossover
  • Supports power down mode and power saving mode
  • MDC/MDIO to 12.5 MHz for rapid configuration
  • Fully compliant to IEEE 802.3u standard
  • Supports auto-negotiation and manual selection for 10/100Mbps speed and full/half-duplex mode
  • Supports back-to-back, 100BASE-FX to 100BASE-TX for media converter applications
  • Single 3.3V power supply with built-in 1.8V regulator (‘L’ parts)
  • Available in 48-Pin LQFP and 48-Pin SSOP packages
  • Description

    The KSZ8001 is a 10BASE-T/100BASE-TX/100BASE-FX Physical Layer Transceiver, powered by a single 3.3v supply. With core operation at 1.8 volts the device is low power, consuming typically 172mW.

    The solution provides MII/RMII/SMII host interfaces commonly available on Microcontrollers, Microprocessors or FPGA's with integrated IEEE 802.3 MACs. A unique mixed-signal design extends signaling distance while reducing power consumption. HP Auto MDI/MDI-X provides the most robust solution for eliminating the need to differentiate between crossover and straight-through cables.

    Featuring LinkMD cable diagnostics, which allows detection of common cabling plant problems such as open and short circuits, the KSZ8001 represents a new level of features and performance and is an ideal choice of physical layer transceiver.


    Microchip's complimentary and confidential MicroCHECK design review service, which offers insight from the initial concept to the final PCB layout, is available to customers who are using our products in their projects. You can confidently submit your design materials in a secure and private setting, and our expert engineers will provide individualized feedback to enhance your design. MicroCHECK design review service is subject to Microchip's Program Terms and Conditions and requires a myMicrochip account.

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