
Karnix ASB
Fabmicro-LLC/Karnix_ASB-254
Karnaugh Interactive Extendable ASIC Simulation Board AKA Karnix ASB-254

The LAN8710AI-EZK is an ethernet Transceiver made by Microchip Technology in a QFN-32-EP(5x5) package with 33 pins. -40℃~+85℃ 1.6V~3.6V 10BASE-T、100BASE-TX 10Mbit/s、100Mbit/s MII、RMII PHY Transceiver QFN-32-EP(5x5) Ethernet Transceivers ROHS.
PCBKit's library has its KiCad symbol (Interface_Ethernet:LAN8710A, from KiCad's library) and its footprint (Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm, from KiCad's library), ready for a KiCad board. 189 are in stock at JLCPCB (part C85284). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | VDD2A | Power in |
| 2 | LED2/INTSEL | Input/output |
| 3 | LED1/REGOFF | Input/output |
| 4 | XTAL2 | Output |
| 5 | XTAL1/CLKIN | Input |
| 6 | VDDCR | Power in |
| 7 | RXCLK/PHYAD1 | Input/output |
| 8 | RXD3/PHYAD2 | Input/output |
| 9 | RXD2/RMIISEL | Input/output |
| 10 | RXD1/MODE1 | Input/output |
| 11 | RXD0/MODE0 | Input/output |
| 12 | VDDIO | Power in |
| 13 | RXER/RXD4/PHYAD0 | Input/output |
| 14 | CRS | Output |
| 15 | COL/CRS_DV/MODE2 | Input/output |
| 16 | MDIO | Input/output |
| 17 | MDC | Input |
| 18 | INT/TXER/TXD4 | Input/output |
| 19 | RST | Input |
| 20 | TXCLK | Output |
| 21 | TXEN | Input |
| 22 | TXD0 | Input |
| 23 | TXD1 | Input |
| 24 | TXD2 | Input |
| 25 | TXD3 | Input |
| 26 | RXDV | Output |
| 27 | VDD1A | Power in |
| 28 | TXN | Input/output |
| 29 | TXP | Input/output |
| 30 | RXN | Input/output |
| 31 | RXP | Input/output |
| 32 | RBIAS | Passive |
| 33 | VSS | Power in |

Fabmicro-LLC/Karnix_ASB-254
Karnaugh Interactive Extendable ASIC Simulation Board AKA Karnix ASB-254
<iframe src="https://pcbkit.io/embed/parts/microchip/LAN8710AI-EZK" title="LAN8710AI-EZK in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/microchip/LAN8710AI-EZK.jpg" alt="LAN8710AI-EZK" width="1200" height="900">[](https://pcbkit.io/parts/microchip/LAN8710AI-EZK)Yes. The symbol is Interface_Ethernet:LAN8710A and the footprint Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
QFN-32-EP(5x5), with 33 pins. Its footprint is drawn on this page.
Microchip Technology publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C85284, with 189 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the LAN8710A-EZC-TR by Microchip Technology, the LAN8710A-EZC by Microchip Technology, the LAN8710A-EZC-TR-ABC by Microchip Technology and the LAN8710A-EZK-TR by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.