Overview
The LAN8742AI-CZ-TR, produced by Microchip Technology, is a low-power 10/100 Fast Ethernet Physical Layer (PHY) transceiver. This device is part of the flexPWR® series and is designed to provide efficient and reliable Ethernet connectivity. It supports both 10BASE-T and 100BASE-TX operations and is compliant with IEEE 802.3 and 802.3u standards. The LAN8742AI-CZ-TR features Wake-On-LAN (WoL) functionality, HP Auto-MDIX support, and comprehensive power management through its flexPWR® technology.
Key Specifications
| Specification | Details |
|---|---|
| Package Type | 24-pin SQFN, RoHS-compliant |
| Temperature Range | -40°C to +85°C (industrial grade) |
| Supply Voltage | Single 3.3 V supply with integrated 3.3 V to 1.2 V linear regulator |
| I/O Voltage Range | +1.8 V to +3.3 V (LVCMOS) |
| Interface | RMII (Reduced Media Independent Interface) |
| Speed | 10 Mbps (10BASE-T) and 100 Mbps (100BASE-TX) |
| Wake-On-LAN | Supported with configurable Wake-up Frame and Magic packets |
| Cable Diagnostics | Supports identification of opens/shorts and their location on the cable |
| Auto-Negotiation | Automatically determines the best possible speed and duplex mode |
| HP Auto-MDIX | Supports direct connect or cross-over LAN cables |
Key Features
- Low Power Consumption: Designed to minimize power usage, making it suitable for power-sensitive applications.
- flexPWR® Technology: Offers flexible power management with an integrated 1.2 V regulator and the option to use an external high-efficiency regulator.
- Wake-On-LAN (WoL): Supports wake-up frames and magic packets for energy-efficient operation.
- HP Auto-MDIX: Automatically adjusts for direct connect or cross-over LAN cables.
- Cable Diagnostics: Capable of identifying cable faults such as opens and shorts.
- Auto-Negotiation: Automatically determines the optimal speed and duplex mode.
- Compact Package: Available in a small 24-pin SQFN package, making it ideal for space-constrained designs.
Applications
- Set-Top Boxes
- Networked Printers and Servers
- Test Instrumentation
- LAN on Motherboard
- Embedded Telecom Applications
- Video Record/Playback Systems
- Cable Modems/Routers
- DSL Modems/Routers
- Digital Video Recorders
- IP and Video Phones
- Wireless Access Points
- Digital Televisions
Q & A
- What is the LAN8742AI-CZ-TR used for?
The LAN8742AI-CZ-TR is a 10/100 Fast Ethernet PHY transceiver used for providing Ethernet connectivity in various applications. - What are the key features of the LAN8742AI-CZ-TR?
Key features include low power consumption, flexPWR® technology, Wake-On-LAN support, HP Auto-MDIX, cable diagnostics, and auto-negotiation. - What is the temperature range of the LAN8742AI-CZ-TR?
The device operates in the temperature range of -40°C to +85°C. - What is the package type of the LAN8742AI-CZ-TR?
The device is packaged in a 24-pin SQFN, RoHS-compliant package. - Does the LAN8742AI-CZ-TR support Wake-On-LAN?
Yes, it supports Wake-On-LAN with configurable wake-up frames and magic packets. - What interface does the LAN8742AI-CZ-TR use?
The device uses the RMII (Reduced Media Independent Interface). - What are the supported speeds of the LAN8742AI-CZ-TR?
The device supports 10 Mbps (10BASE-T) and 100 Mbps (100BASE-TX) speeds. - Is the LAN8742AI-CZ-TR compliant with any specific standards?
Yes, it is compliant with IEEE 802.3 and 802.3u standards. - What is the purpose of the flexPWR® technology in the LAN8742AI-CZ-TR?
The flexPWR® technology provides flexible power management, including an integrated 1.2 V regulator and the option to use an external high-efficiency regulator. - Can the LAN8742AI-CZ-TR identify cable faults?
Yes, it supports cable diagnostics to identify opens and shorts on the cable.
