KSZ8051RNL

1/1 Transceiver Full RMII 32-QFN (5x5)
3,979 有效庫存

KSZ8051RNL

有效庫存3,979

1/1 Transceiver Full RMII 32-QFN (5x5)

  • 製造商零件號 # : KSZ8051RNL

  • 包裝/封裝: 32-QFN

  • 製造商: Microchip Technology

  • 產品分類 : Drivers, Receivers, Transceivers

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KSZ8051RNL 數據表
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詳細說明

General DescriptionThe KSZ8051 is an AEC-Q100 standard qualified single-supply 10BASE-T/100BASE-TX Ethernet physical-layer transceiver.The KSZ8051 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.The KSZ8051MNL offers the Media Independent Interface (MII) and the KSZ8051RNL offers the Reduced Media Independent Interface (RMII) for direct connection with MII-/RMII-compliant Ethernet MAC processors and switches.Features• Single-Chip 10BASE-T/100BASE-TX IEEE 802.3 Compliant Ethernet Transceiver• AEC-Q100 Qualified for Automotive Applications• MII Interface Support (KSZ8051MNL)• RMII v1.2 Interface Support with a 50 MHz Reference Clock Output to MAC, and an Option to Input a 50 MHz Reference Clock (KSZ8051RNL)• Back-to-Back Mode Support for a 100 Mbps Copper Repeater• MDC/MDIO Management Interface for PHY Register Configuration• Programmable Interrupt Output• LED Outputs for Link, Activity, and Speed 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 Link-Up Speed (10/100 Mbps) 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 32-pin 5 mm x 5 mm QFN PackageTarget Applications• Automotive In-Vehicle Networking

主要特徵

  • Single-Chip 10BASE-T/100BASE-TX IEEE 802.3 Compliant Ethernet Transceiver
  • AEC-Q100 Qualified for Automotive Applications
  • MII Interface Support (KSZ8051MNL)
  • RMII v1.2 Interface Support with a 50 MHz Reference Clock Output to MAC, and an Option to Input a 50 MHz Reference Clock (KSZ8051RNL)
  • Back-to-Back Mode Support for a 100 Mbps Copper Repeater
  • MDC/MDIO Management Interface for PHY Register Configuration
  • Programmable Interrupt Output
  • LED Outputs for Link, Activity, and Speed 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 Link-Up Speed (10/100 Mbps) 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 32-pin 5 mm x 5 mm QFN Package

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。

Package Tray Product Status Obsolete
Type Transceiver Protocol RMII
Number of Drivers/Receivers 1/1 Duplex Full
Voltage - Supply 1.8V, 2.5V, 3.3V Operating Temperature ! 0°C ~ 70°C
Mounting Type Surface Mount Package / Case 32-VFQFN Exposed Pad
Supplier Device Package 32-QFN (5x5) Base Product Number KSZ8051

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 KSZ8051RNL PDF 下載

常見問題解答

What is KSZ8051RNL?

The KSZ8051RNL is a single-port 10/100 Mbps Ethernet physical layer transceiver (PHY) manufactured by Microchip Technology. It provides the interface between the Ethernet MAC and the physical cable, enabling communication over an Ethernet network.

How Does KSZ8051RNL Work?

The KSZ8051RNL operates by converting the digital data signals from the Ethernet MAC into analog signals suitable for transmission over the Ethernet cable. It also receives incoming analog signals from the cable, converts them into digital data, and sends them to the Ethernet MAC for processing. The PHY includes features such as auto-negotiation and auto-MDIX for optimal network connectivity.

How Many Pins does KSZ8051RNL have and What are the Functions of the Pinout Configuration?

The KSZ8051RNL is housed in a 32-pin QFN (Quad Flat No-Lead) package. The pinout configuration includes:

  • MDC/MDIO: Management Data Clock/Data Input-Output for configuration.
  • TXD0/TXD1: Transmit Data Output for differential signals.
  • RXD0/RXD1: Receive Data Input for differential signals.
  • CRS_DV: Carrier Sense/Data Valid for link status indication.
  • COL: Collision detection.
  • RESET: Reset pin for device initialization.
  • LED[n]: LED indicator pins for status display.
  • VDDIO, VDDD: Power supply pins for I/O and digital core, respectively.
  • AVDD, AVSS: Analog power supply and ground pins.

What are the Pros and Cons of KSZ8051RNL?

Pros:

  • Fast Ethernet Support: Enables 10/100 Mbps Ethernet communication.
  • Auto-negotiation: Facilitates automatic configuration for optimal network performance.
  • Low Power Consumption: Operates with low power for energy-efficient networking.
  • Compact Size: Comes in a small QFN package, suitable for space-constrained designs.

Cons:

  • External magnetics required: Requires external magnetics for proper isolation and signal conditioning.
  • Complexity: Configuration and interfacing with other network components may require careful attention.

Are There Any Equivalents/Alternatives to KSZ8051RNL for Recommendation?

  • The RTL8201F-VD-LF from Realtek is a similar single-port Ethernet PHY.
  • Alternatives to the KSZ8051RNL include the DP83848I from Texas Instruments and the LAN8720A from Microchip Technology.

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