Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
KSZ8721B-TR

KSZ8721B-TR

Product Overview

Category

The KSZ8721B-TR 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)
  • Built-in signal conditioning capabilities

Package

The KSZ8721B-TR is available in a small form-factor package, suitable for surface mount technology (SMT) applications.

Essence

The essence of the KSZ8721B-TR lies in its ability to provide reliable and efficient Ethernet connectivity in various electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Data Rates: 10/100 Mbps
  • Supply Voltage: 3.3V
  • Operating Temperature Range: -40°C to +85°C
  • Interface: MII (Media Independent Interface)
  • Package Type: 48-pin QFN (Quad Flat No-Lead)

Detailed Pin Configuration

The KSZ8721B-TR 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_DV
  15. MDC
  16. MDIO
  17. VDDA
  18. VSSA
  19. REFCLK
  20. VDDIO
  21. VSSIO
  22. VDDCORE
  23. VSSCORE
  24. VDDPLL
  25. VSSPLL
  26. PLL_LOCK
  27. XTAL_IN
  28. XTAL_OUT
  29. VDDXTAL
  30. VSSXTAL
  31. VDDPLL2
  32. VSSPLL2
  33. PLL2_LOCK
  34. XTAL2_IN
  35. XTAL2_OUT
  36. VDDXTAL2
  37. VSSXTAL2
  38. VDDPLL3
  39. VSSPLL3
  40. PLL3_LOCK
  41. XTAL3_IN
  42. XTAL3_OUT
  43. VDDXTAL3
  44. VSSXTAL3
  45. VDDPLL4
  46. VSSPLL4
  47. PLL4_LOCK
  48. XTAL4_IN

Functional Features

  • Auto-negotiation of link speed and duplex mode
  • Supports Energy Efficient Ethernet (EEE)
  • Integrated loopback modes for diagnostics
  • Supports Wake-on-LAN (WoL) functionality
  • Built-in signal quality indicators
  • Supports various LED configurations for link/activity indication

Advantages and Disadvantages

Advantages

  • Low power consumption, suitable for energy-efficient designs
  • Compact package size, ideal for space-constrained applications
  • Compliance with industry standards ensures compatibility with a wide range of devices
  • Integrated termination resistors simplify PCB layout and reduce component count

Disadvantages

  • Limited to 10/100 Mbps data rates, not suitable for higher-speed Ethernet networks
  • Lack of advanced features found in more advanced transceiver models

Working Principles

The KSZ8721B-TR operates by receiving and transmitting Ethernet data packets through the Media Independent Interface (MII). It performs signal conditioning, encoding, and decoding functions to ensure reliable communication between devices. The transceiver supports auto-negotiation to establish the link speed and duplex mode automatically.

Detailed Application Field Plans

The KSZ8721B-TR is widely used in various applications, including:

  1. Network switches
  2. Routers
  3. Industrial automation systems
  4. Embedded systems
  5. IP cameras
  6. Automotive electronics

Detailed and Complete Alternative Models

  1. KSZ8081RNB
  2. KSZ8041NL
  3. DP83848CVV/NOPB
  4. LAN8720A-CP
  5. W5500

These alternative models offer similar functionality and can be considered as alternatives to the KSZ8721B-TR based on specific application requirements.

In conclusion, the KSZ8721B-TR is a versatile Ethernet Physical Layer Transceiver that provides reliable connectivity in various electronic devices. Its low power consumption, compact package size, and compliance with industry standards make it a popular choice for

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací KSZ8721B-TR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of KSZ8721B-TR in technical solutions:

Q1: What is KSZ8721B-TR? A1: KSZ8721B-TR is a highly integrated Ethernet physical layer transceiver (PHY) that provides a complete solution for high-performance Ethernet applications.

Q2: What are the key features of KSZ8721B-TR? A2: The key features of KSZ8721B-TR include support for 10/100 Mbps data rates, auto-negotiation, full-duplex or half-duplex operation, low power consumption, and various diagnostic capabilities.

Q3: How can I interface KSZ8721B-TR with my microcontroller or processor? A3: KSZ8721B-TR uses the MII (Media Independent Interface) or RMII (Reduced Media Independent Interface) interface to communicate with microcontrollers or processors. You need to ensure that your microcontroller or processor supports these interfaces.

Q4: Can KSZ8721B-TR be used in industrial applications? A4: Yes, KSZ8721B-TR is suitable for industrial applications as it operates over a wide temperature range and has built-in ESD protection.

Q5: Does KSZ8721B-TR support Power over Ethernet (PoE)? A5: No, KSZ8721B-TR does not support Power over Ethernet. If you require PoE functionality, you would need to use an additional PoE controller.

Q6: Can KSZ8721B-TR be used in automotive applications? A6: Yes, KSZ8721B-TR is automotive-grade and can be used in automotive applications that require Ethernet connectivity.

Q7: What is the power supply voltage range for KSZ8721B-TR? A7: The power supply voltage range for KSZ8721B-TR is typically between 3.0V and 3.6V.

Q8: Does KSZ8721B-TR support Energy Efficient Ethernet (EEE)? A8: Yes, KSZ8721B-TR supports Energy Efficient Ethernet (IEEE 802.3az) which helps reduce power consumption during periods of low network activity.

Q9: Can I use KSZ8721B-TR in a single-ended or differential mode? A9: KSZ8721B-TR can be used in both single-ended and differential modes, depending on the requirements of your application.

Q10: Are there any evaluation boards or reference designs available for KSZ8721B-TR? A10: Yes, Microchip provides evaluation boards and reference designs for KSZ8721B-TR to help developers quickly prototype and integrate the transceiver into their applications.

Please note that these answers are general and may vary depending on specific implementation details and requirements. It is always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate and detailed information.