KSZ9477STXI

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Gigabit Ethernet Switch

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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KSZ9477STXI DataSheet

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KSZ9477STXI Details

The KSZ9477STXI is a fully-integrated Layer 2/3 managed switch with 7 ports, designed for high-performance data transmission in industrial and enterprise-level connectivity applications. This device features four integrated 10/100/1000Base-T Gigabit Ethernet transceivers, three Fast Ethernet transceivers, and support for SGMII interfaces.

Pinout

  • VCC (1): Positive Power Supply
  • GND (2-8): Ground
  • RX0-RX7 (9-15): Receive Data Inputs
  • TX0-TX7 (16-22): Transmit Data Outputs
  • CRTY (23): Clock Recovery Timing Input
  • REF_CLK (24): Reference Clock Input

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

  • Fully-Integrated Layer 2/3 Managed Switch: Provides advanced switching capabilities for high-performance data transmission.
  • 7 Ports: Offers multiple ports for connecting devices and expanding network capacity.
  • Gigabit Ethernet Support: Enables fast and reliable data transfer at speeds up to 1000 Mbps.
  • SGMII Interface Support: Facilitates high-speed communication with other devices and networks.

Applications

The KSZ9477STXI is suitable for various applications, including:

  • Industrial Automation: Enables reliable data transmission in industrial control systems.
  • Enterprise Networking: Provides high-performance switching capabilities for large-scale networks.
  • Data Centers: Supports fast and efficient data transfer in data center environments.

Where to Use

The KSZ9477STXI is designed for use in various settings, including:

  • Industrial Control Systems: Enables reliable data transmission in industrial control systems.
  • Data Centers and Cloud Computing: Supports fast and efficient data transfer in data center environments.
  • Enterprise Networks: Provides high-performance switching capabilities for large-scale networks.

How to Use

To use the KSZ9477STXI, follow these steps:

  1. Connect the device to a power source: Ensure proper power supply connections to VCC and GND.
  2. Configure the switch: Set up the switch according to your specific application requirements.
  3. Connect devices to the ports: Connect devices and other network components to the available ports.

(Tip: For detailed usage instructions, refer to the datasheet.)

Application Circuit

The application circuit diagram for the KSZ9477STXI illustrates how to connect the device to a network and configure it for optimal performance.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

  • KSZ9475STXI: A similar managed switch with 5 ports, offering comparable features and performance.
  • KSZ9479STXI: An alternative managed switch with 9 ports, providing additional connectivity options.

Complementary

The KSZ9477STXI can be complemented by other devices and components to enhance its performance and capabilities. For example:

  • KSZ9600STXI: A high-speed Ethernet switch that can be used in conjunction with the KSZ9477STXI for advanced network applications.
  • KSZ9700STXI: A managed switch with advanced security features that can be used to enhance the security of your network.

Frequently Asked Questions

Q: What is the maximum data rate supported by the KSZ9477STXI?

A: The KSZ9477STXI supports data rates up to 1000 Mbps (Gigabit Ethernet) and 10 Gbps (SGMII interface).

Q: Can the KSZ9477STXI be used in industrial automation applications?

A: Yes, the KSZ9477STXI is suitable for use in industrial automation applications, providing reliable data transmission and advanced switching capabilities.

KSZ9477STXI

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Interrupt Pin Yes Op Voltage 3.3
# Ethernet Ports 7 IOPins 1
IEEE1588 Yes Temp Range Min -40
Temp Range Max 85 Dual MII Support Yes
Managed Yes Copper Support 10/100/1000 (5)
Fiber Support SGMII Supply Voltage (V) 3.3
Internal LDO No LinkMD Cable Diag Yes
Repeater Mode No On-Chip Termination Yes
Smart Power Adjust Yes Largest Pkt-Size Bytes 9000
IPV6 Yes Flow Ctrl Yes
Rate Limiting Yes Rapid Spanning Tree Yes
Static MAC Address Yes

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification KSZ9477STXI PDF Download

FAQs

What is KSZ9477STXI?

The KSZ9477STXI is a highly integrated, fully managed Ethernet switch IC (integrated circuit) designed by Microchip Technology. It is ideal for applications requiring advanced networking capabilities, such as enterprise switches, industrial networking equipment, and smart home devices.

How Does KSZ9477STXI Work?

The KSZ9477STXI functions as a fully managed Ethernet switch, providing multiple ports for connecting various network devices. It supports advanced features such as Quality of Service (QoS), VLAN (Virtual Local Area Network) support, and network security protocols. The switch IC manages data traffic within the network efficiently, offering high performance and reliability.

How Many Pins does KSZ9477STXI have and What are the Functions of the Pinout Configuration?

The KSZ9477STXI is housed in a 128-pin QFN (Quad Flat No-leads) package. The pinout configuration includes:

  • Power Supply Pins: VDD, VDD_IO, AVDD, and DVDD.
  • Control Interface Pins: MDC, MDIO, RESET_N, INT_N, and GPIO.
  • Ethernet Port Pins: TX/RX pairs for each Ethernet port.
  • LED Indicator Pins: LED driver pins for link/activity status indication.
  • Management Interface Pins: SPI interface pins for configuration and management.

What are the Pros and Cons of KSZ9477STXI?

Pros:

  • Fully Managed: Provides advanced networking features for efficient data traffic management.
  • Integration: Highly integrated IC reduces external component count and simplifies system design.
  • Scalability: Supports multiple Ethernet ports for flexible network expansion.
  • Security: Includes security features for network protection and integrity.
  • Performance: Offers high-speed data transmission and reliable network operation.

Cons:

  • Complexity: May require networking expertise for configuration and optimization.
  • Cost: Advanced networking features may lead to a higher overall system cost.
  • Heat Dissipation: Proper thermal management may be required for sustained performance.

Are There Any Equivalents/Alternatives to KSZ9477STXI for Recommendation?

  • The KSZ9897R from Microchip Technology is a comparable fully managed Ethernet switch IC.
  • Alternatives to the KSZ9477STXI include the BCM56454 from Broadcom and the VSC7514 from Microsemi (Microchip).

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