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KSZ8721SL
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KSZ8721SL

Product Overview

Category

KSZ8721SL belongs to the category of Ethernet Physical Layer Transceivers.

Use

It is primarily used for Ethernet communication in various applications.

Characteristics

  • Supports 10/100 Mbps data rates
  • Low power consumption
  • Integrated termination resistors
  • Robust performance in noisy environments

Package

The KSZ8721SL is available in a small form factor package, making it suitable for space-constrained designs.

Essence

The essence of KSZ8721SL lies in its ability to provide reliable and efficient Ethernet communication.

Packaging/Quantity

The KSZ8721SL is typically packaged in reels or trays, with varying quantities depending on the supplier.

Specifications

  • Data Rates: 10/100 Mbps
  • Supply Voltage: 3.3V
  • Operating Temperature Range: -40°C to +85°C
  • Interface: MII (Media Independent Interface)
  • Power Consumption: Low power design

Detailed Pin Configuration

The KSZ8721SL has a total of 48 pins. The pin configuration is as follows:

  1. VDDIO
  2. VDDA
  3. VDDCORE
  4. VDDPLL
  5. VDDXTAL
  6. VSS
  7. VSSPLL
  8. VSSXTAL
  9. XTALIN
  10. XTALOUT
  11. REFCLKO
  12. CRS
  13. COL
  14. RXD0
  15. RXD1
  16. RXD2
  17. RXD3
  18. RXDV
  19. RXER
  20. RXC
  21. TXEN
  22. TXD0
  23. TXD1
  24. TXD2
  25. TXD3
  26. TXC
  27. TXER
  28. MDIO
  29. MDC
  30. RXCLK
  31. RXDV/RXACT
  32. RXD0
  33. RXD1
  34. RXD2
  35. RXD3
  36. RXER
  37. RXC
  38. TXEN/TXACT
  39. TXD0
  40. TXD1
  41. TXD2
  42. TXD3
  43. TXC
  44. TXER
  45. MDIO
  46. MDC
  47. VDDIO
  48. VSS

Functional Features

  • Auto-negotiation for speed and duplex mode
  • Supports Energy Efficient Ethernet (EEE)
  • Integrated loopback modes for diagnostics
  • Built-in signal quality indicators
  • Supports various power-down modes for reduced power consumption

Advantages and Disadvantages

Advantages

  • Low power consumption
  • Robust performance in noisy environments
  • Integrated termination resistors simplify design
  • Supports Energy Efficient Ethernet for reduced power usage

Disadvantages

  • Limited to 10/100 Mbps data rates
  • May not be suitable for high-speed applications

Working Principles

The KSZ8721SL operates by receiving and transmitting Ethernet signals through the MII interface. It supports auto-negotiation to determine the optimal speed and duplex mode for communication. The integrated loopback modes allow for diagnostics and testing of the transceiver.

Detailed Application Field Plans

The KSZ8721SL is widely used in various applications, including: - Industrial automation - Home networking - Automotive electronics - Internet of Things (IoT) devices - Embedded systems

Detailed and Complete Alternative Models

Some alternative models to the KSZ8721SL include: - KSZ8081MNX - KSZ8863RLL - KSZ9031RNX

These models offer similar functionality and can be considered as alternatives based on specific requirements.

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10 domande e risposte comuni relative all'applicazione di KSZ8721SL nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of KSZ8721SL in technical solutions:

  1. Q: What is KSZ8721SL? A: KSZ8721SL is a highly integrated Ethernet physical layer transceiver (PHY) chip designed for use in various networking applications.

  2. Q: What are the key features of KSZ8721SL? A: Some key features of KSZ8721SL include support for 10/100 Mbps data rates, auto-negotiation, full-duplex operation, and low power consumption.

  3. Q: Can KSZ8721SL be used in industrial applications? A: Yes, KSZ8721SL is suitable for industrial applications due to its robust design, wide temperature range support, and built-in ESD protection.

  4. Q: Does KSZ8721SL support Power over Ethernet (PoE)? A: No, KSZ8721SL does not support PoE. It is a PHY chip that handles the physical layer functions of Ethernet communication.

  5. Q: What interfaces does KSZ8721SL support? A: KSZ8721SL supports MII (Media Independent Interface) and RMII (Reduced Media Independent Interface) interfaces for easy integration with various microcontrollers or MAC chips.

  6. Q: Is KSZ8721SL compatible with Gigabit Ethernet? A: No, KSZ8721SL supports up to 100 Mbps data rates and is not compatible with Gigabit Ethernet.

  7. Q: Can KSZ8721SL be used in automotive applications? A: Yes, KSZ8721SL is suitable for automotive applications as it meets the AEC-Q100 Grade 2 qualification requirements.

  8. Q: Does KSZ8721SL require an external clock source? A: Yes, KSZ8721SL requires an external 25 MHz crystal or oscillator for proper operation.

  9. Q: What is the power supply voltage range for KSZ8721SL? A: The power supply voltage range for KSZ8721SL is typically between 3.0V and 3.6V.

  10. Q: Are there any evaluation boards available for KSZ8721SL? A: Yes, Microchip offers evaluation boards for KSZ8721SL, which can help in the development and testing of networking solutions using this chip.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.