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Ethernet Controller, 100 Mbps, IEEE 802.3, 3.135 V, 3.465 V, QFN, 48 Pins

Hersteller : Microchip Technology, Inc
Verpackung/Behälter : LQFP-48
Produkt der Kategorien : Ethernet ICs
Datasheet: KSZ8081MLXIA Datasheet (PDF)
RoHs Status: Rohs
Lagerbestand: 10000


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KSZ8081MLXIA Beschreibung

The KSZ8081MLXIA is a single-supply 10Base-T/100Base-TX Ethernet physical-layer transceiver for transmission and reception of data over standard CAT-5 unshielded twisted pair (UTP) cable.The KSZ8081MLXIA is a highly-integrated PHY solution. It reduces board cost and simplifies board layout by using on-chip termination resistors for the differential pairs and by integrating a low-noise regulator to supply the 1.2V core, and by offering 1.8/2.5/3.3V digital I/O interface support.The KSZ8081RNx offers the Reduced Media Independent Interface (RMII) for direct connection to RMII-compliant MACs in Ethernet processors and switches.As the power-up default, the KSZ8081RNA uses a 25MHz crystal to generate all required clocks, including the 50MHz RMII reference clock output for the MAC. The KSZ8081RND is the version that takes in the 50MHz RMII reference clock as the power-up default.   The KSZ8081MLX and KSZ8081MNX offer the Media Independent Interface (MII) for direct connection with MII-compliant Ethernet MAC processors and switches. A 25MHz crystal is used to generate all required clocks.To facilitate system bring-up and debugging in production testing and in product deployment, parametric NAND tree support enables fault detection between KSZ8081RNA I/Os and the board. Microchip's LinkMD® TDR-based cable diagnostics identify faulty copper cabling.  The KSZ8081RNA and KSZ8081RND are available in 24-pin, lead-free QFN packages. The KSZ8081MNX and KSZ8081RNB are available in 32-pin, lead-free QFN packages. The KSZ8081MLX is available in 48-pin (7mm x 7mm) LQFP package.Microchip's complimentary and confidential LANCheck® online design review service is available for customers who have selected our products for their application design-in. The LANCheck online design review service is subject to Microchip's Program Terms and Conditions and requires a myMicrochip account.



    • Single-chip 10Base-T/100Base-TX IEEE 802.3 compliant Ethernet transceiver
    • MII interface support (KSZ8081MNX)
    • RMII v1.2 Interface support with a 50MHz reference clock output to MAC, and an option to input a 50MHz reference clock (KSZ8081RNB)
    • RMII back-to-back mode support for a 100Mbps copper repeater
    • MDC/MDIO management interface for PHY register configuration
    • Programmable interrupt output
    • LED outputs for link and activity status indication
    • On-chip termination resistors for the differential pairs
    • Baseline wander correction
    • HP Auto MDI/MDI-X to reliably detect and correct straight-through and crossover cable connections with disable and enable option
    • Auto-negotiation to automatically select the highest linkup speed (10/100Mbps) and duplex (half/full)
    • Power-down and power-saving modes
    • LinkMD® TDR-based cable diagnostics to identify faulty copper cabling
    • Parametric NAND Tree support for fault detection between chip I/Os and the board
    • Loopback modes for diagnostics
    • Single 3.3V power supply with VDD I/O options for 1.8V, 2.5V, or 3.3V
    • Built-in 1.2V regulator for core
  • Available in 24-pin (4mm x 4mm) QFN package, 32-pin (5mm x 5mm) QFN package or 48-pin (7mm x 7mm) LQFP package

KSZ8081MLXIA Produkte

Technische Parameter

  • Product
  • Ethernet Transceivers
  • Package / Case
  • LQFP-48
  • Packaging
  • Tray
  • Mounting Style

KSZ8081MLXIA Datasheet

KSZ8081MLXIA Verwandte besondere

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Estimated Delivery Time: Sep 28 - Oct 03 days (choose Expedited at checkout).

Fracht & Zahlung


  • Liefer-Type
  • Schiff Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


  • Zahlungsbedingungen
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

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  • Wir haben reiche Produkte, können Ihre verschiedenen Bedürfnisse erfüllen.

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  • Mindestbestellmenge beginnt 1pcs.

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    Niedrigsten Transportgebühr beginnt bei US $ 2,00.

  • 90 Tage Qualitätsgarantie für alle Produkte.

    90 Tage Qualitätsgarantie für alle Produkte.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that KSZ8081MLXIA is the original manufacturer or agent of MICROCHIP?
We have a professional business development department to strictly test and verify the qualifications of MICROCHIP original manufacturers and agents. All MICROCHIP suppliers must pass the qualification review before they can publish their KSZ8081MLXIA devices; we pay more attention to the channels and quality of KSZ8081MLXIA products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of KSZ8081MLXIA chips? Including MICROCHIP original factory information, Ethernet ICs application, KSZ8081MLXIA pictures?
You can use Jotrin's intelligent search engine, or filter by Ethernet PHY Products category, or find it through Microchip Technology, Inc Information page.
Q: Are the MICROCHIP's KSZ8081MLXIA price and stock displayed on the platform accurate?
The MICROCHIP's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for KSZ8081MLXIA, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of KSZ8081MLXIA?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the KSZ8081MLXIA we delivered, we will accept the replacement or return of the KSZ8081MLXIA only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of KSZ8081MLXIA.
(3)The KSZ8081MLXIA is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as KSZ8081MLXIA datasheet pdf, KSZ8081 pin diagram?
Need any After-Sales service, please feel free contact us:

Microchip Technology, Inc

Microchip Technology Inc. is a leading manufacturer of microcontroller and analog products, providing low-risk product development, lower total system cost, and faster time to market for thousands of diverse customer applications worldwide. Microchip offers outstanding technical support along with d...
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