DisplayPort/PCIe Passive Switches
PIN
MAX4928A
MAX4928B
1, 11, 16, 20, 21, 1, 11, 16, 20, 21,
28, 29, 35, 48, 28, 29, 35, 48,
49, 56
49, 56
2
4
3
5
4
7
5
8
6, 17, 22, 27, 34, 6, 17, 22, 27, 34,
50, 55
50, 55
7
9
8
10
9
12
10
13
12
14
13
15
14
18
15
19
18
2
19
3
23
30
24
31
25
32
26
33
30
23
31
24
32
25
33
26
36
44
37
45
38
46
39
47
40
51
41
52
42
53
43
54
44
36
45
37
46
38
NAME
GND
IN0+
IN0-
IN1+
IN1-
VDD
IN2+
IN2-
IN3+
IN3-
OUT+
OUT-
X+
X-
SEL
LE
HPD2
HPD1
AUX-
AUX+
RX1-
RX1+
RX0-
RX0+
D3-
D3+
D2-
D2+
D1-
D1+
D0-
D0+
TX3-
TX3+
TX2-
FUNCTION
Pin Description
Ground
Analog Switch 1—Common Positive Terminal
Analog Switch 1—Common Negative Terminal
Analog Switch 2—Common Positive Terminal
Analog Switch 2—Common Negative Terminal
Positive Supply Voltage Input. Connect VDD to a +3.0V to +3.6V supply voltage.
Bypass VDD to GND with a 0.1µF ceramic capacitor placed as close as possible
to the device. See the Board Layout section.
Analog Switch 3—Common Positive Terminal
Analog Switch 3—Common Negative Terminal
Analog Switch 4—Common Positive Terminal
Analog Switch 4—Common Negative Terminal
Analog Switch 5—Common Positive Terminal
Analog Switch 5—Common Negative Terminal
Analog Switch 6—Common Positive Terminal
Analog Switch 6—Common Negative Terminal
Control Signal Input
Latch Enable Input
Analog Switch 6—Normally Open Negative Terminal
Analog Switch 6—Normally Open Positive Terminal
Analog Switch 5—Normally Open Negative Terminal
Analog Switch 5—Normally Open Positive Terminal
Analog Switch 6—Normally Closed Negative Terminal
Analog Switch 6—Normally Closed Positive Terminal
Analog Switch 5—Normally Closed Negative Terminal
Analog Switch 5—Normally Closed Positive Terminal
Analog Switch 4—Normally Open Negative Terminal
Analog Switch 4—Normally Open Positive Terminal
Analog Switch 3—Normally Open Negative Terminal
Analog Switch 3—Normally Open Positive Terminal
Analog Switch 2—Normally Open Negative Terminal
Analog Switch 2—Normally Open Positive Terminal
Analog Switch 1—Normally Open Negative Terminal
Analog Switch 1—Normally Open Positive Terminal
Analog Switch 4—Normally Closed Negative Terminal
Analog Switch 4—Normally Closed Positive Terminal
Analog Switch 3—Normally Closed Negative Terminal
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