2 layers75 × 35 mm
LAN8740A-EN
Microchip TechnologyExtended
0℃~+70℃ 1 1.8V~3.3V 10BASE-T、100BASE-TX 10Mbit/s、100Mbit/s Ethernet Transceiver MII、RMII QFN-32-EP(5x5) Ethernet Transceivers ROHS
- Part id
- microchip/LAN8740A-EN
- Category
- Ethernet Transceivers
- Package
- QFN-32-EP(5x5)
- Pins
- 33
- In stock
- 46 at JLCPCB (C633283)
- Used on
- 1 open-source board
Overview
The LAN8740A-EN is an ethernet Transceiver made by Microchip Technology in a QFN-32-EP(5x5) package with 33 pins. 0℃~+70℃ 1 1.8V~3.3V 10BASE-T、100BASE-TX 10Mbit/s、100Mbit/s Ethernet Transceiver MII、RMII QFN-32-EP(5x5) Ethernet Transceivers ROHS.
PCBKit's library has its KiCad symbol (Celestial_Network:MICROCHIP LAN8740A, from Altium's library) and its footprint (EasyEDA_Cloud:QFN-32_L5.0-W5.0-P0.50-BL-EP3.3, from EasyEDA), ready for a KiCad board. 46 are in stock at JLCPCB (part C633283). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Pinout
33| Pin | Name | Type |
|---|---|---|
| 1 | VDD2A | Passive |
| 2 | LED2/INT/PME/INTSEL | Passive |
| 3 | LED1/INT/PME/REGOFF | Passive |
| 4 | XTAL2 | Passive |
| 5 | XTAL1/CLKIN | Passive |
| 6 | VDDCR | Passive |
| 7 | RXCLK/PHYAD1 | Passive |
| 8 | RXD3/PHYAD2 | Passive |
| 9 | RXD2/PME/RMIISEL | Passive |
| 10 | RXD1/MODE1 | Passive |
| 11 | RXD0/MODE0 | Passive |
| 12 | VDDIO | Passive |
| 13 | RXER/RXD4/PHYAD0 | Passive |
| 14 | CRS | Passive |
| 15 | COL/CRS_DV/MODE2 | Passive |
| 16 | MDIO | Passive |
| 17 | MDC | Passive |
| 18 | INT/TXER/TXD4 | Passive |
| 19 | RST | Passive |
| 20 | TXCLK | Passive |
| 21 | TXEN | Passive |
| 22 | TXD0 | Passive |
| 23 | TXD1 | Passive |
| 24 | TXD2 | Passive |
| 25 | TXD3 | Passive |
| 26 | RXDV | Passive |
| 27 | VDD1A | Passive |
| 28 | TXN | Passive |
| 29 | TXP | Passive |
| 30 | RXN | Passive |
| 31 | RXP | Passive |
| 32 | RBIAS | Passive |
| 33 | GND | Passive |
Open-source boards using it
1Parts like it
5
LAN8710AI-EZK-TR-ABC
QFN-32-EP(5x5)-40℃~+85℃ 1.6V~3.6V 10BASE-T、100BASE-TX 10Mbit/s、100Mbit/s Ethernet Transceiver MII、RMII QFN-32-EP(5x5) Ethernet Transceivers ROHSMicrochip TechnologyEthernet TransceiversLAN8740A-EN-TR
QFN-32-EP(5x5)0℃~+70℃ 1 1.8V、3.3V 10BASE-T、100BASE-TX 10Mbit/s、100Mbit/s Cable diagnostics、Programmable LED indication、Low-power mode、Power-on reset Ethernet Transceiver MII、RMII QFN-32-EP(5x5) Ethernet Transceivers ROHSMicrochip TechnologyEthernet TransceiversLAN8741A-EN
QFN-32-EP(5x5)0℃~+70℃ 1 1.8V~3.3V MII、RMII QFN-32-EP(5x5) Ethernet Transceivers ROHSMicrochip TechnologyEthernet TransceiversLAN8740AI-EN-TR
QFN-32-EP(5x5)0℃~+70℃ 1.8V~3.3V 10BASE-T、100BASE-TX 10Mbit/s、100Mbit/s MII、RMII PHY Transceiver QFN-32-EP(5x5) Ethernet Transceivers ROHSMicrochip TechnologyEthernet TransceiversLAN8741AI-EN
QFN-32-EP(5x5)0℃~+70℃ 1 1.8V~3.3V MII、RMII QFN-32-EP(5x5) Ethernet Transceivers ROHSMicrochip TechnologyEthernet Transceivers
Questions
Is there a KiCad symbol and footprint for the LAN8740A-EN?
Yes. The symbol is Celestial_Network:MICROCHIP LAN8740A and the footprint EasyEDA_Cloud:QFN-32_L5.0-W5.0-P0.50-BL-EP3.3, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LAN8740A-EN?
QFN-32-EP(5x5), with 33 pins. Its footprint is drawn on this page.
Where is the LAN8740A-EN datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the LAN8740A-EN?
JLCPCB lists it as part C633283, with 46 in stock; the sellers' links on this page open their listings.
What can replace the LAN8740A-EN?
Parts like it in the library: the LAN8710AI-EZK-TR-ABC by Microchip Technology, the LAN8740A-EN-TR by Microchip Technology, the LAN8741A-EN by Microchip Technology and the LAN8740AI-EN-TR by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the LAN8740A-EN?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.