KSZ8721SLA4

Product Overview

• Category: Integrated Circuit
• Use: Ethernet Physical Layer Transceiver
• Characteristics:
  • High-performance, low-power consumption
  • Supports 10/100 Mbps data rates
  • Designed for industrial applications
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: Provides a reliable and efficient solution for Ethernet connectivity in industrial environments
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel

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 consumption, suitable for battery-powered devices
• ESD Protection: Built-in electrostatic discharge protection

Detailed Pin Configuration

The KSZ8721SLA4 has a total of 48 pins. The pin configuration is as follows:

1. VDDIO
2. VDDA
3. VDDCORE
4. VSS
5. VSSA
6. VSSCORE
7. TXEN
8. TXD[3:0]
9. TX_CLK
10. CRS_DV
11. RXD[3:0]
12. RX_ER
13. RX_CLK
14. COL
15. RX_DV
16. MDIO
17. MDC
18. REFCLK
19. VDDPLL
20. VSSPLL
21. PLL_LOCK
22. XTAL_IN
23. XTAL_OUT
24. VDDXTAL
25. VSSXTAL
26. VDDPLL
27. VSSPLL
28. PLL_LOCK
29. XTAL_IN
30. XTAL_OUT
31. VDDXTAL
32. VSSXTAL
33. VDDPLL
34. VSSPLL
35. PLL_LOCK
36. XTAL_IN
37. XTAL_OUT
38. VDDXTAL
39. VSSXTAL
40. VDDPLL
41. VSSPLL
42. PLL_LOCK
43. XTAL_IN
44. XTAL_OUT
45. VDDXTAL
46. VSSXTAL
47. VDDPLL
48. VSSPLL

Functional Features

• Supports Auto-Negotiation and Auto-MDI/MDIX
• Provides link status detection and reporting
• Implements advanced power management features
• Supports Wake-on-LAN functionality
• Offers built-in loopback testing capability
• Supports multiple LED indicators for link/activity status

Advantages and Disadvantages

Advantages: - High-performance and reliable Ethernet connectivity - Low power consumption, suitable for battery-powered devices - Designed for industrial applications, with a wide operating temperature range - Supports advanced features like Auto-Negotiation and Wake-on-LAN

Disadvantages: - Limited to 10/100 Mbps data rates, not suitable for higher-speed networks - Requires external components for full functionality - Relatively complex pin configuration may require careful PCB layout

Working Principles

The KSZ8721SLA4 is an Ethernet Physical Layer Transceiver that operates based on the MII interface standard. It provides the necessary hardware and functionality to establish a reliable Ethernet connection between a device and a network. The transceiver supports Auto-Negotiation, which allows it to automatically determine the best communication parameters, such as data rate and duplex mode, with the connected device.

The transceiver also incorporates advanced power management features to optimize power consumption. It can enter low-power modes when the link is idle or when specific power-saving settings are enabled. Additionally, the KSZ8721SLA4 supports Wake-on-LAN functionality, allowing a device to be remotely powered on from a sleep state.

Detailed Application Field Plans

The KSZ8721SLA4 is widely used in various industrial applications that require reliable Ethernet connectivity. Some of the common application fields include:

1. Industrial Automation: The transceiver enables communication between industrial devices and control systems, facilitating real-time monitoring and control in manufacturing environments.
2. Building Automation: It allows for the integration of different building systems, such as HVAC, lighting, and security, enabling centralized control and management.
3. Transportation Systems: The transceiver enables networking capabilities in transportation systems, such as railway networks and traffic control systems, ensuring efficient and reliable communication.
4. Energy Management: It facilitates the monitoring and control of energy distribution systems, enabling efficient energy management and optimization.

Alternative Models

• KSZ8721BLI
• KSZ8721BTL
• KSZ8721BTX
• KSZ8721BTR
• KSZ8721BL

These alternative models offer similar functionality and characteristics to the KSZ872