LAN8742-CZ-TR

Product Overview

Category

The LAN8742-CZ-TR belongs to the category of Ethernet physical layer transceivers.

Use

It is primarily used for connecting devices to an Ethernet network, enabling communication between them.

Characteristics

• The LAN8742-CZ-TR is a compact and highly integrated transceiver.
• It supports 10/100 Mbps data rates, making it suitable for both Fast Ethernet and Ethernet applications.
• This transceiver operates on a single 3.3V power supply, ensuring compatibility with various systems.
• It features advanced power-saving modes, reducing energy consumption during idle periods.
• The LAN8742-CZ-TR is designed to meet stringent electromagnetic interference (EMI) requirements.

Package

The LAN8742-CZ-TR is available in a small form factor package, allowing for easy integration into different electronic designs.

Essence

The essence of the LAN8742-CZ-TR lies in its ability to provide reliable and efficient Ethernet connectivity in a compact package.

Packaging/Quantity

This transceiver is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of LAN8742-CZ-TR units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Data Rate: 10/100 Mbps
• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Package Type: Small form factor package
• EMI Compliance: Meets stringent requirements

Detailed Pin Configuration

The LAN8742-CZ-TR has the following pin configuration:

1. VDDIO
2. TXEN
3. TXD0
4. TXD1
5. GND
6. MDC
7. MDIO
8. CRS_DV
9. RXD0
10. RXD1
11. REF_CLK
12. VDDA
13. VDD
14. LEDA
15. LEDB
16. GND

Functional Features

• Auto-negotiation: The LAN8742-CZ-TR supports auto-negotiation, allowing it to automatically determine the best operating mode and speed for the network connection.
• LinkMD®+: This feature provides advanced cable diagnostics, enabling the detection of cable faults and issues.
• Energy-Efficient Ethernet (EEE): The transceiver incorporates EEE technology, reducing power consumption during periods of low network activity.
• Wake-on-LAN (WoL): LAN8742-CZ-TR supports WoL functionality, allowing devices to be remotely powered on from a sleep state.

Advantages and Disadvantages

Advantages

• Compact and highly integrated design
• Supports both Fast Ethernet and Ethernet applications
• Low power consumption with advanced power-saving modes
• Meets stringent EMI requirements
• Advanced cable diagnostics for improved network troubleshooting

Disadvantages

• Limited to 10/100 Mbps data rates, not suitable for Gigabit Ethernet applications

Working Principles

The LAN8742-CZ-TR operates based on the principles of Ethernet communication. It converts digital signals into analog signals suitable for transmission over Ethernet cables. It also performs signal conditioning and noise filtering to ensure reliable data transmission.

Detailed Application Field Plans

The LAN8742-CZ-TR is widely used in various applications, including but not limited to: - Industrial automation systems - Internet of Things (IoT) devices - Home networking equipment - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LAN8742-CZ-TR include: - LAN8720A-CZ-TR - LAN8720A-CZ-TR-EVB - LAN8720AI-CZ-TR - LAN8720AI-CZ-TR-EVB

These alternative models provide comparable features and can be considered as substitutes for the LAN8742-CZ-TR in different applications.

In conclusion, the LAN8742-CZ-TR is a compact and highly integrated Ethernet physical layer transceiver. It offers reliable and efficient Ethernet connectivity, supporting both Fast Ethernet and Ethernet applications. With its advanced power-saving modes and EMI compliance, it is suitable for various industries and applications. However, it is important to note that it is limited to 10/100 Mbps data rates and may not be suitable for Gigabit Ethernet applications.