KSZ9031MNXIA

Product Overview

Category

The KSZ9031MNXIA belongs to the category of Ethernet Physical Layer Transceiver (PHY) integrated circuits.

Use

It is primarily used for providing physical layer connectivity in Ethernet applications.

Characteristics

• The KSZ9031MNXIA is a highly integrated and low-power Ethernet PHY.
• It supports 10/100/1000 Mbps data rates.
• It is designed to meet the requirements of IEEE 802.3 standards.
• The device operates from a single 3.3V power supply.
• It incorporates various advanced features such as auto-negotiation, auto-MDIX, and energy-efficient Ethernet.

Package

The KSZ9031MNXIA is available in a small form-factor package, which makes it suitable for space-constrained designs.

Essence

The essence of the KSZ9031MNXIA lies in its ability to provide reliable and high-speed Ethernet connectivity in a compact and energy-efficient package.

Packaging/Quantity

The KSZ9031MNXIA is typically packaged in tape and reel format, with a quantity of 2500 units per reel.

Specifications

• Data Rates: 10/100/1000 Mbps
• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Package Type: Small form-factor package
• Interface: MII/RMII/GMII/RGMII

Detailed Pin Configuration

The KSZ9031MNXIA has a total of 48 pins. Here is a detailed pin configuration:

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

Functional Features

• Auto-negotiation: The KSZ9031MNXIA supports auto-negotiation, allowing it to automatically determine the best possible connection speed and duplex mode.
• Auto-MDIX: It features auto-MDIX functionality, which eliminates the need for crossover cables by automatically detecting and correcting the polarity of the connected Ethernet cable.
• Energy-efficient Ethernet: The device incorporates energy-efficient Ethernet technology, enabling power savings during periods of low network activity.

Advantages and Disadvantages

Advantages

• Highly integrated and compact design
• Support for various data rates
• Low-power consumption
• Advanced features like auto-negotiation and auto-MDIX
• Energy-efficient operation

Disadvantages

• Limited to Ethernet connectivity only
• Requires external magnetics for proper operation

Working Principles

The KSZ9031MNXIA operates by receiving and transmitting Ethernet signals through its integrated PHY circuitry. It communicates with the host system using standard interfaces such as MII, RMII, GMII, or RGMII. The device performs functions like signal conditioning, clock synchronization, and error detection to ensure reliable data transmission over Ethernet networks.

Detailed Application Field Plans

The KSZ9031MNXIA is widely used in various applications, including:

1. Network switches
2. Routers
3. Industrial automation systems
4. Embedded systems
5. Internet of Things (IoT) devices
6. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the KSZ9031MNXIA are:

1. KSZ9021RNXIA: This model offers similar features but operates at 10/100 Mbps data rates.
2. DP83848CVV/NOPB: Another Ethernet PHY IC with