Microchip Technology
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
KSZ8999
詳細を表示 DataSheets

KSZ8999

Product Overview

  • Category: Integrated Circuit
  • Use: Ethernet Switch
  • Characteristics: High-performance, low-power, compact size
  • Package: QFN (Quad Flat No-Lead)
  • Essence: Networking connectivity solution
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Number of Ports: 9
  • Data Rate: 10/100/1000 Mbps
  • Interface: MII/RMII/GMII/RGMII
  • Operating Voltage: 3.3V
  • Power Consumption: < 500mW
  • Temperature Range: -40°C to +85°C
  • RoHS Compliance: Yes

Detailed Pin Configuration

The KSZ8999 has a total of 64 pins. The pin configuration is as follows:

  1. VDD33
  2. VDD33
  3. VDD33
  4. VDD33
  5. VDD33
  6. VDD33
  7. VDD33
  8. VDD33
  9. VDD33
  10. VDD33
  11. VDD33
  12. VDD33
  13. VDD33
  14. VDD33
  15. VDD33
  16. VDD33
  17. VDD33
  18. VDD33
  19. VDD33
  20. VDD33
  21. VDD33
  22. VDD33
  23. VDD33
  24. VDD33
  25. VDD33
  26. VDD33
  27. VDD33
  28. VDD33
  29. VDD33
  30. VDD33
  31. VDD33
  32. VDD33
  33. VDD33
  34. VDD33
  35. VDD33
  36. VDD33
  37. VDD33
  38. VDD33
  39. VDD33
  40. VDD33
  41. VDD33
  42. VDD33
  43. VDD33
  44. VDD33
  45. VDD33
  46. VDD33
  47. VDD33
  48. VDD33
  49. VDD33
  50. VDD33
  51. VDD33
  52. VDD33
  53. VDD33
  54. VDD33
  55. VDD33
  56. VDD33
  57. VDD33
  58. VDD33
  59. VDD33
  60. VDD33
  61. VDD33
  62. VDD33
  63. VDD33
  64. VDD33

Functional Features

  • Advanced Switching: Supports store-and-forward switching, VLAN tagging, and QoS (Quality of Service) features.
  • Auto-Negotiation: Automatically detects and configures the link speed and duplex mode.
  • Energy Efficient Ethernet: Implements IEEE 802.3az standard for power-saving operation.
  • Jumbo Frame Support: Allows the transmission of larger frame sizes for improved performance.
  • Loop Detection: Detects and prevents network loops to ensure stable operation.
  • Link Aggregation: Supports link aggregation for increased bandwidth and redundancy.

Advantages and Disadvantages

Advantages: - High-performance switching capabilities - Low power consumption - Compact size for space-constrained applications - Energy-efficient operation - Support for advanced networking features

Disadvantages: - Limited number of ports compared to some other switches - Requires external magnetics for Ethernet connectivity

Working Principles

The KSZ8999 is a highly integrated Ethernet switch that operates based on the IEEE 802.3 standard. It uses advanced switching techniques to enable efficient data transfer between connected devices. The switch automatically detects and configures the link speed and duplex mode through auto-negotiation. It also implements energy-saving features to reduce power consumption during periods of low network activity.

Detailed Application Field Plans

The KSZ8999 is suitable for various networking applications, including but not limited to: - Industrial automation - Home and office networking - Internet of Things (IoT) devices - Embedded systems - Telecommunications equipment

Alternative Models

  • KSZ8899: Similar functionality with 8 ports instead of 9.
  • KSZ8799: Lower-cost alternative with reduced feature set.
  • KSZ8099: Entry-level switch with basic switching capabilities.

These alternative models provide different options based on specific requirements and budget considerations.

Word count: 416 words

技術ソリューションにおける KSZ8999 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of KSZ8999 in technical solutions:

  1. Q: What is KSZ8999? A: KSZ8999 is a highly integrated Ethernet switch IC designed for use in various networking applications.

  2. Q: What are the key features of KSZ8999? A: The key features of KSZ8999 include 8-port 10/100/1000BASE-T/TX Ethernet switch, support for VLANs, QoS, and Jumbo Frames, and low power consumption.

  3. Q: Can KSZ8999 be used in industrial applications? A: Yes, KSZ8999 is suitable for industrial applications due to its robust design, wide temperature range, and support for industrial protocols.

  4. Q: How can I interface with KSZ8999? A: KSZ8999 supports various interfaces such as MII, RMII, RGMII, and SGMII, allowing easy integration with different microcontrollers or processors.

  5. Q: Does KSZ8999 support Power over Ethernet (PoE)? A: No, KSZ8999 does not have built-in PoE functionality. However, it can be used in conjunction with external PoE controllers or injectors.

  6. Q: Can KSZ8999 be used in automotive applications? A: Yes, KSZ8999 is automotive-grade and can be used in automotive applications that require reliable and high-speed Ethernet connectivity.

  7. Q: Does KSZ8999 support advanced security features? A: Yes, KSZ8999 provides features like MAC address filtering, port-based authentication, and secure management interfaces to enhance network security.

  8. Q: What is the power supply requirement for KSZ8999? A: KSZ8999 typically operates from a single 3.3V power supply, making it compatible with standard power sources.

  9. Q: Can KSZ8999 be used in PoE-powered devices? A: Yes, KSZ8999 can be used in PoE-powered devices as long as the power requirements are met by an external PoE source.

  10. Q: Are there any reference designs or evaluation boards available for KSZ8999? A: Yes, Microchip (the manufacturer of KSZ8999) provides reference designs and evaluation boards to help developers quickly prototype and evaluate their solutions.

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