KSZ9021GN

Product Overview

Category

KSZ9021GN belongs to the category of Ethernet Physical Layer Transceiver.

Use

The KSZ9021GN is used for Ethernet communication in various applications such as networking equipment, industrial automation, and automotive systems.

Characteristics

• High-speed Ethernet transceiver
• Supports 10/100/1000 Mbps data rates
• Low power consumption
• Robust performance in harsh environments
• Integrated diagnostic features for network troubleshooting

Package

The KSZ9021GN is available in a small form-factor package, allowing for space-efficient integration into electronic devices.

Essence

The essence of KSZ9021GN lies in its ability to provide reliable and high-speed Ethernet connectivity in diverse applications.

Packaging/Quantity

The KSZ9021GN is typically packaged in reels or trays, with varying quantities depending on the manufacturer's specifications.

Specifications

• Data Rates: 10/100/1000 Mbps
• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Interface: MII, RMII, RGMII
• ESD Protection: ±8kV HBM, ±2kV CDM

Detailed Pin Configuration

The KSZ9021GN has a total of 48 pins. The pin configuration is as follows:

1. VDDIO
2. VDDA
3. VDDCORE
4. VDDPLL
5. XTALI
6. XTALO
7. REFCLK
8. TXEN
9. TXD[3:0]
10. TXC
11. RXD[3:0]
12. RXDV
13. RXC
14. CRS
15. MDIO
16. MDC
17. RXER
18. COL
19. RXD[7:4]
20. RXCLK
21. TXCLK
22. TXER
23. TXD[7:4]
24. VDDIO
25. VDDA
26. VDDCORE
27. VDDPLL
28. XTALI
29. XTALO
30. REFCLK
31. TXEN
32. TXD[3:0]
33. TXC
34. RXD[3:0]
35. RXDV
36. RXC
37. CRS
38. MDIO
39. MDC
40. RXER
41. COL
42. RXD[7:4]
43. RXCLK
44. TXCLK
45. TXER
46. TXD[7:4]
47. GND
48. GND

Functional Features

• Auto-negotiation for speed and duplex mode selection
• LinkMD® TDR-based cable diagnostics
• Energy Efficient Ethernet (EEE) support
• Wake-on-LAN (WoL) functionality
• Loopback modes for self-testing and diagnostics
• Integrated voltage regulators for improved power supply noise rejection

Advantages and Disadvantages

Advantages

• High-speed data transmission
• Low power consumption
• Robust performance in harsh environments
• Integrated diagnostic features for network troubleshooting
• Support for various interface options

Disadvantages

• Limited availability of alternative models
• Relatively higher cost compared to some other transceivers

Working Principles

The KSZ9021GN operates by converting digital data into analog signals suitable for transmission over Ethernet cables. It utilizes advanced signal processing techniques to ensure reliable communication and high-speed data transfer.

Detailed Application Field Plans

The KSZ9021GN finds applications in a wide range of fields, including: - Networking equipment such as routers, switches, and gateways - Industrial automation systems for data acquisition and control - Automotive systems for in-vehicle networking and communication

Alternative Models

While the KSZ9021GN is a highly capable Ethernet transceiver, there are alternative models available in the market that offer similar functionality. Some of the notable alternatives include: - KSZ9031RNX - DP83848CVV - LAN8720A

These alternative models can be considered based on specific requirements and availability.

In conclusion, the KSZ9021GN is a high-speed Ethernet transceiver with robust performance and integrated diagnostic features. It finds applications in various fields, including networking equipment, industrial automation, and automotive systems. While it has advantages such as low power consumption and reliable operation, it also has limitations in terms of availability of alternative models and relatively higher cost. Nonetheless, the KSZ9021GN remains a popular choice for Ethernet connectivity due to its advanced features and wide range of applications.