产品概览
The LAN8742A-CZ-TR is a low-power 10/100 Ethernet PHY transceiver from Microchip (formerly SMSC) with RMII MAC interface, HP Auto-MDIX, Wake-on-LAN, and cable diagnostics. The commercial-grade (0-70°C) variant in 24-pin SQFN (4x4mm) tape-and-reel packaging is designed for cost-sensitive embedded Ethernet applications.
主要规格
| Device Type | 10/100 Ethernet PHY Transceiver |
| Line Speed | 10/100Mbps |
| MAC Interface | RMII (Reduced MII) |
| Auto-MDIX | HP Auto-MDIX (crossover elimination) |
| Wake-on-LAN | Yes (WoL) |
| Cable Diagnostics | Yes (LinkMD) |
| 电源电压 | 3.3V (with 1.2V internal regulator) |
| I/O Voltage | +1.6V to +3.6V (variable) |
| Crystal | 25MHz (external) |
| 包装 | 24-SQFN (4x4mm) |
| 工作温度 | 0°C to +70°C |
特点
- RMII interface — reduced pin count (12 signals vs. MII’s 18)
- HP Auto-MDIX — works with straight or crossover cables
- flexPWR — variable I/O voltage (1.6V to 3.6V)
- Integrated 1.2V regulator with disable
- Wake-on-LAN for system power management
- Deterministic loopback latency
- LinkMD cable diagnostics
应用
- Set-top boxes and DVRs
- Printers and multifunction devices
- IP cameras and video phones
- Industrial embedded Ethernet
- Wireless access points and PoE devices