KSZ8081MNXIA TR

Product KSZ8081MNXIA-TR
4,243 有效庫存

KSZ8081MNXIA TR

有效庫存4,243

Product KSZ8081MNXIA-TR

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KSZ8081MNXIA TR 數據表
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KSZ8081MNXIA TR 詳細說明

The KSZ8081 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 KSZ8081 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.

主要特徵

  • Integrated 10/100 Ethernet PHY transceiver
  • Supports MII/RMII interfaces
  • Low-power consumption
  • Industrial temperature range (-40°C to 105°C)
  • Auto negotiation for easy connection setup
  • Advanced power management features
  • Small form factor in a 32-pin QFN package

    • 應用

  • The KSZ8081MNXIA-TR is commonly used in automotive, industrial, and consumer applications
  • It is particularly well-suited for use in Ethernet switches, routers, gateways, and other network communication devices due to its low power consumption, compact package size, and high reliability

    • 規格

    以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

    Category Integrated Circuits (ICs)InterfaceDrivers, Receivers, Transceivers Mfr Microchip Technology
    Series - Package Tape & Reel (TR)Cut Tape (CT)®
    Product Status Active Type Transceiver
    Protocol MII Number of Drivers/Receivers 1/1
    Duplex Full Data Rate ! -
    Voltage - Supply 1.8V, 2.5V, 3.3V Operating Temperature ! -40°C ~ 85°C
    Mounting Type Surface Mount Package / Case 32-VFQFN Exposed Pad
    Supplier Device Package 32-QFN (5x5) Base Product Number KSZ8081

    數據表 PDF

    數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

    初步規格 KSZ8081MNXIA TR PDF 下載

    常見問題解答

    What is KSZ8081MNXIA TR?

    The KSZ8081MNXIA TR is a single-port 10/100/1000BASE-T PHY transceiver designed by Microchip Technology. It is suitable for use in applications requiring high-speed Ethernet connectivity, such as network switches, routers, and industrial control systems.

    How Does KSZ8081MNXIA TR Work?

    The KSZ8081MNXIA TR operates as a physical layer transceiver for Ethernet communication, providing the interface between the Ethernet MAC and the twisted pair cable. It supports auto-negotiation, link detection, and various modes of operation to enable reliable high-speed data transfer over Ethernet networks.

    How Many Pins does KSZ8081MNXIA TR have and What are the Functions of the Pinout Configuration?

    The KSZ8081MNXIA TR is housed in a 32-pin QFN (Quad Flat No-leads) package. The pinout configuration includes:

    • TXP, TXN: Transmit data positive and negative pins.
    • RXP, RXN: Receive data positive and negative pins.
    • MDIO: Management data input/output pin for configuration and control.
    • MDC: Management data clock pin for synchronization with MDIO.
    • COL, CRS, DVDD, and DGND: Collision, carrier sense, power supply, and ground pins, respectively.
    • Interrupt, LED, and REFCLK: Interrupt output, LED indicators, and reference clock input pins, respectively.

    What are the Pros and Cons of KSZ8081MNXIA TR?

    Pros:

    • High-Speed Ethernet: Supports 10/100/1000BASE-T Gigabit Ethernet connectivity.
    • Auto-Negotiation: Allows for automatic selection of the highest possible data transfer rate.
    • Low Power Consumption: Operates with low power consumption, suitable for energy-efficient designs.
    • Compact Package: The 32-pin QFN package offers space-efficient integration onto circuit boards.
    • IEEE 1588 Precision Time Protocol (PTP) Support: Enables precise synchronization in Ethernet-based industrial control and instrumentation systems.

    Cons:

    • External Magnetics Required: Typically requires external magnetics components for proper isolation and signal conditioning.
    • Layout Considerations: Requires careful consideration of PCB layout and signal integrity for optimal performance.

    Are There Any Equivalents/Alternatives to KSZ8081MNXIA TR for Recommendation?

    • The DP83822I from Texas Instruments is a similar single-port 10/100/1000 Ethernet PHY transceiver.
    • Alternatives to the KSZ8081MNXIA TR include the AR8031 from Qualcomm and the VSC8201 from Microsemi.

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