LAN8742AI-CZ-TR
Drivers, Receivers, Transceivers
Technical Specifications
| Type | Description |
|---|---|
| Working Voltage V | 2.55 V |
| Logic Family | LAN8742A |
| Current - Output Low(IOL) | 12mA |
| Input type | Schmitt trigger |
| number of channels | - |
| Current - Output High(IOH) | 12mA |
| Type | Description |
|---|---|
| Tpd Ns | - |
| Operating Temp | -40°C ~ +85°C |
| Output Type | Open-drain |
| Features | - |
| Iq A | - |
| Package / Case | VQFN-24-EP |
Product Introduction
The LAN8742A/LAN8742Ai is a low-power 10BASE-T/100BASE-TX physical layer (PHY) transceiver with variable I/O voltage that is compliant with the IEEE 802.3 and 802.3u standards.
The LAN8742A/LAN8742Ai supports communication with an Ethernet MAC via a standard RMII interface. It contains a full-duplex 10-BASE-T/100BASE-TX transceiver and supports 10 Mbps (10BASE-T) and 100 Mbps (100BASE-TX) operation. The LAN8742A/LAN8742Ai implements auto-negotiation to automatically determine the best possible speed and duplex mode of operation. HP Auto-MDIX support allows the use of direct connect or cross-over LAN cables. Integrated Wake on LAN (WoL) support provides a mechanism to trigger an interrupt upon reception of a perfect DA, broadcast, magic packet, or wakeup frame.
The LAN8742A/LAN8742Ai supports both IEEE 802.3-2005 compliant and vendor-specific register functions. However, no register access is required for operation. The initial configuration may be selected via the configuration pins as described in Section 3.7, "Configuration Straps". Register-selectable configuration options may be used to further define the functionality of the transceiver.
The LAN8742A/LAN8742Ai can be programmed to support wake-on-LAN at the physical layer, allowing detection of configurable Wake-up Frame and Magic packets.
Features
- Single-Chip Ethernet Physical Layer Transceiver (PHY)
- Cable diagnostic support
- Wake on LAN (WoL) support
- Comprehensive flexPWR technology - Flexible power management architecture - LVCMOS Variable I/O voltage range: +1.8 V to +3.3 V - Integrated 1.2 V regulator with disable feature
- HP Auto-MDIX support
- Miniature 24-pin VQFN, RoHS-compliant package (4×4×0.9 mm height)
- High-performance 10/100 Ethernet transceiver - Compliant with IEEE802.3/802.3u (Fast Ethernet) - Compliant with ISO 802-3/IEEE 802.3 (10BASE-T) Loop-back modes - Auto-negotiation - Automatic polarity detection and correction - Link status change wake-up detection - Vendor specific register functions - Supports the reduced pin count RMII interface
- Power and I/Os - Various low power modes - Integrated power-on reset circuit - Two status LED outputs - May be used with a single 3.3 V supply
- Additional Features - Ability to use a low cost 25 MHz crystal for reduced BOM
- Packaging - 24-pin VQFN (4×4 mm), RoHS-compliant package with RMII
- Environmental - Commercial temperature range [0℃ to +70℃] - Industrial temperature range (-40℃ to +85℃)
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 - Digital Media Adapters/Servers - Gaming Consoles - POE Applications (Refer to Microchip Application Note 17.18)
Datasheet
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | 5A991B1 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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