KSZ8081MLX

10BASE-T/100BASE-TX PHY with RMII Support, 25 MHz input clock, LQFP-48

Schematic Symbol

Pin Configuration (47 pins)

Pin	Name	Type
1	GND	power_in
2	GND	passive
3	GND	passive
4	VDD_1.2	power_out
5	NC	no_connect
6	NC	no_connect
7	VDDA_3.3	power_in
8	NC	no_connect
9	RXM	passive
10	RXP	passive
11	TXM	passive
12	TXP	passive
13	GND	passive
14	XO	output
15	XI	input
16	REXT	passive
17	GND	passive
18	MDIO	bidirectional
19	MDC	input
20	RXD3/PHYAD0	output
21	RXD2/PHYAD1	output
22	RXD1/PHYAD2	output
23	RXD0/DUPLEX	output
24	GND	passive
25	VDDIO	power_in
26	NC	no_connect
27	RXDV/CONFIG2	bidirectional
28	RXC/B-CAST_OFF	bidirectional
29	RXER/ISO	output
30	GND	passive
31	VDD_1.2	power_in
32	INTRP/NAND_Tree#	bidirectional
33	TXC	bidirectional
34	TXEN	input
35	TXD0	input
36	TXD1	input
37	GND	passive
38	TXD2	input
39	TXD3	input
40	COL/CONFIG0	bidirectional
41	CRS/CONFIG1	bidirectional
42	LED0/NWAYEN	bidirectional
43	LED1/SPEED	output
44	TEST/NC	no_connect
45	NC	no_connect
46	NC	no_connect
47	~{RST}	input

Footprint

Confirmed

Package_QFP/LQFP-48_7x7mm_P0.5mm

Pad Layout

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

Pads (48)

Number	Type
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
26	smd
27	smd
28	smd
29	smd
30	smd
31	smd
32	smd
33	smd
34	smd
35	smd
36	smd
37	smd
38	smd
39	smd
40	smd
41	smd
42	smd
43	smd
44	smd
45	smd
46	smd
47	smd
48	smd

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