قد تكون الصورة تمثيلية.
راجع المواصفات للحصول على تفاصيل المنتج.
KSZ8721BL

KSZ8721BL

Product Overview

Category

The KSZ8721BL belongs to the category of Ethernet Physical Layer Transceivers.

Use

It is primarily used for providing physical layer connectivity in Ethernet-based communication systems.

Characteristics

  • Supports 10/100 Mbps data rates
  • Compliant with IEEE 802.3 standards
  • Low power consumption
  • Integrated termination resistors
  • Supports Auto-MDIX (Automatic Medium-Dependent Interface Crossover)

Package

The KSZ8721BL is available in a small form-factor package, making it suitable for space-constrained applications.

Essence

The essence of the KSZ8721BL lies in its ability to provide reliable and efficient Ethernet connectivity in various networking devices.

Packaging/Quantity

The KSZ8721BL is typically packaged in reels or trays, with a quantity of 2500 units per reel/tray.

Specifications

  • Supply Voltage: 3.3V
  • Operating Temperature Range: -40°C to +85°C
  • Data Rate: 10/100 Mbps
  • Interface: MII (Media Independent Interface)
  • Package Type: QFN (Quad Flat No-Lead)

Detailed Pin Configuration

The KSZ8721BL features a 48-pin QFN package with the following pin configuration:

  1. TX_CLK
  2. TX_EN
  3. TXD[3]
  4. TXD[2]
  5. TXD[1]
  6. TXD[0]
  7. CRS_DV
  8. RX_ER
  9. RXD[3]
  10. RXD[2]
  11. RXD[1]
  12. RXD[0]
  13. COL
  14. RX_CLK
  15. MDC
  16. MDIO
  17. VDDA
  18. VSSA
  19. VDDIO
  20. VSSIO
  21. VDDXTAL
  22. VSSXTAL
  23. REFCLKO
  24. VDDPLL
  25. VSSPLL
  26. PLL_LOCK
  27. XTAL1
  28. XTAL2
  29. VDDCORE
  30. VSSCORE
  31. VDDPLL_DIG
  32. VSSPLL_DIG
  33. VDDPLL_ANA
  34. VSSPLL_ANA
  35. VDDPLL_IO
  36. VSSPLL_IO
  37. VDDPLL_BUF
  38. VSSPLL_BUF
  39. VDDPLL_CLK
  40. VSSPLL_CLK
  41. VDDPLL_REF
  42. VSSPLL_REF
  43. VDDPLL_VCO
  44. VSSPLL_VCO
  45. VDDPLL_DIV
  46. VSSPLL_DIV
  47. VDDPLL_OUT
  48. VSSPLL_OUT

Functional Features

  • Integrated Auto-Negotiation and Auto-MDIX support
  • Built-in signal conditioning for improved performance
  • Supports Energy Efficient Ethernet (EEE) for reduced power consumption
  • Provides link status indication through LED outputs
  • Supports various diagnostic features for network troubleshooting

Advantages and Disadvantages

Advantages

  • Low power consumption
  • Compact package size
  • Compliance with industry standards
  • Integrated termination resistors simplify design

Disadvantages

  • Limited data rate support (10/100 Mbps only)
  • Lack of advanced features found in higher-end transceivers

Working Principles

The KSZ8721BL operates by receiving and transmitting electrical signals over the Ethernet medium. It utilizes the MII interface to communicate with the MAC (Media Access Control) layer of the networking device. The transceiver performs signal conditioning, auto-negotiation, and error detection to ensure reliable data transmission.

Detailed Application Field Plans

The KSZ8721BL is widely used in various networking applications, including:

  • Ethernet switches
  • Network interface cards (NICs)
  • Industrial automation systems
  • Embedded systems
  • Internet of Things (IoT) devices

Detailed and Complete Alternative Models

Some alternative models to the KSZ8721BL include:

  1. KSZ8081MNX: Similar functionality with reduced power consumption.
  2. DP83848CVV: Higher data rate support (10/100/1000 Mbps) with additional features.
  3. LAN8720A: Low-cost alternative with basic functionality.

These alternative models offer different trade-offs in terms of performance, power consumption, and cost, allowing designers to choose the most suitable option for their specific requirements.

Word count: 598 words

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق KSZ8721BL في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of KSZ8721BL in technical solutions:

Q1: What is KSZ8721BL? A1: KSZ8721BL is a highly integrated Ethernet physical layer transceiver (PHY) chip designed for use in various networking applications.

Q2: What are the key features of KSZ8721BL? A2: Some key features of KSZ8721BL include support for 10/100 Mbps data rates, auto-negotiation, energy-efficient Ethernet, and various diagnostic capabilities.

Q3: What interfaces does KSZ8721BL support? A3: KSZ8721BL supports MII (Media Independent Interface) and RMII (Reduced Media Independent Interface) interfaces, making it compatible with a wide range of microcontrollers and network processors.

Q4: Can KSZ8721BL be used in industrial applications? A4: Yes, KSZ8721BL is suitable for industrial applications as it operates over an extended temperature range and offers robust performance in harsh environments.

Q5: Does KSZ8721BL support Power over Ethernet (PoE)? A5: No, KSZ8721BL does not have built-in PoE functionality. It is primarily a PHY chip for Ethernet connectivity.

Q6: Is KSZ8721BL compatible with both copper and fiber optic networks? A6: KSZ8721BL is designed for copper-based Ethernet networks and does not directly support fiber optic connections. However, it can be used in conjunction with external fiber optic transceivers.

Q7: Can KSZ8721BL be used in automotive applications? A7: Yes, KSZ8721BL is automotive-grade and can be used in automotive applications that require Ethernet connectivity.

Q8: What power supply voltage does KSZ8721BL require? A8: KSZ8721BL operates from a single 3.3V power supply, making it compatible with standard voltage levels used in most electronic systems.

Q9: Does KSZ8721BL support Wake-on-LAN (WoL) functionality? A9: Yes, KSZ8721BL supports Wake-on-LAN (WoL), allowing the device to be remotely powered on from a low-power state.

Q10: Are there any evaluation boards or development kits available for KSZ8721BL? A10: Yes, Microchip (formerly Microsemi) offers evaluation boards and development kits specifically designed for KSZ8721BL, which can help simplify the integration process into your technical solution.

Please note that these answers are general and may vary depending on specific implementation requirements.