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KSZ8081RNA
10BASE-T/100BASE-TX PHY with RMII Support, 25 MHz input clock/50 MHz output, QFN-24
Schematic Symbol
Pin Configuration (25 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | VDD_1.2 | power_out |
| 2 | VDDA_3.3 | power_in |
| 3 | RXM | bidirectional |
| 4 | RXP | bidirectional |
| 5 | TXM | bidirectional |
| 6 | TXP | bidirectional |
| 7 | XO | output |
| 8 | XI | input |
| 9 | REXT | passive |
| 10 | MDIO | bidirectional |
| 11 | MDC | input |
| 12 | RXD1 | output |
| 13 | RXD0 | output |
| 14 | VDDIO | power_in |
| 15 | CRS_DV/PHYAD[1:0] | output |
| 16 | REF_CLK | output |
| 17 | RXER | output |
| 18 | INTRP | bidirectional |
| 19 | TXEN | input |
| 20 | TXD0 | input |
| 21 | TXD1 | bidirectional |
| 22 | GND | power_in |
| 23 | LED0/ANEN_SPEED | output |
| 24 | ~{RST} | input |
| 25 | GND | passive |
Footprint
ConfirmedPackage_DFN_QFN/QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm
Pad Layout
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25
Pads (29)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |
| 21 | smd |
| 22 | smd |
| 23 | smd |
| 24 | smd |
| 25 | smd |