Description
LAN8742AI-CZ-TR: Ethernet TXRX Single Chip 1.8V/2.5V/3.3V 10Mbps/100Mbps
Mfr. Part#: LAN8742AI-CZ-TR
Mfr.: MICROCHIP
Datasheet: 
(e-mail or chat us for PDF file)
ROHS Status:
Quality: 100% Original
Warranty: ONE YEAR
| Mounting Style: |
SMD/SMT |
|
| Package / Case: |
SQFN-24 |
|
| Product: |
Ethernet Transceivers |
|
| Standard: |
10BASE-T, 100BASE-TX |
|
| Number of Transceivers: |
1 Transceiver |
|
| Data Rate: |
10 Mb/s, 100 Mb/s |
|
| Interface Type: |
MDI-X, RMII |
|
| Operating Supply Voltage: |
1.2 V |
|
| Minimum Operating Temperature: |
- 40 C |
|
| Maximum Operating Temperature: |
+ 85 C |
|
| Series: |
LAN8742A |
|
| Packaging: |
Reel |
|
| Packaging: |
Cut Tape |
|
| Packaging: |
Reel |
|
| Brand: |
Microchip Technology |
|
| Moisture Sensitive: |
Yes |
|
| Product Type: |
Ethernet ICs |
|
| Factory Pack Quantity: |
5000 |
|
| Subcategory: |
Communication & Networking ICs |
|
| Supply Voltage - Max: |
3.3 V |
|
| Supply Voltage - Min: |
1.8 V |
|
| Unit Weight: |
0.014462 oz |
The 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 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 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 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 LAN8742Ai can be programmed to support wake-on-LAN at the physical layer, allowing detection of configurable Wake-up Frame and Magic packets. This feature allows filtering of packets at the PHY layer, without requiring MAC intervention. Additionally, the LAN8742Ai supports cable diagnostics which allow the device to identify opens/shorts and their location on the cable via vendor-specific registers. Per IEEE 802.3-2005 standards, all digital interface pins are tolerant to 3.6 V. The device can be configured to operate on a single 3.3 V supply utilizing an integrated 3.3 V to 1.2 V linear regulator. The linear regulator may be optionally disabled, allowing usage of a high efficiency external regulator for lower system power dissipation. The LAN8742Ai is available in commercial (0°C to +70°C) and industrial (-40°C to +85°C) temperature range versions
- 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 x 4 x 0.9 mm height)
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