MAX4927ETN 查看數據表（PDF） - Maxim Integrated
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MAX4927ETN Datasheet PDF : 13 Pages
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1000 Base-T, ±15kV ESD Protection LAN Switch
PIN
1, 6, 9, 13, 16,
21, 24, 28, 33,
39, 44, 49, 53,
55
2
3
4, 10, 18, 27,
38, 50, 56
5
7
8
11
12
14
15
17
19
20
22
23
25
26
29
30
31
32
34
35
36
37
40
41
42
43
45
46
47
48
NAME
GND
A0
A1
VDD
N.C.
A2
A3
A4
A5
A6
A7
SEL
LED0
LED1
0LED1
1LED1
0LED2
1LED2
7B2
6B2
7B1
6B1
5B2
4B2
5B1
4B1
3B2
2B2
3B1
2B1
1B2
0B2
1B1
0B1
FUNCTION
Pin Description
Ground
Switch 0. Common terminal 0.
Switch 1. Common terminal 1.
Positive-Supply Voltage Input. Bypass VDD to GND with a 0.1µF ceramic capacitor
(see the Power-Supply Bypassing section).
No Connection. Not internally connected.
Switch 2. Common terminal 2.
Switch 3. Common terminal 3.
Switch 4. Common terminal 4.
Switch 5. Common terminal 5.
Switch 6. Common terminal 6.
Switch 7. Common terminal 7.
Select Input. SEL selects switch connection. See the truth table (Table 1).
LED0 Input
LED1 Input
0LED1 Output. Drive SEL low (SEL = 0) to connect LED0 to 0LED1.
1LED1 Output. Drive SEL low (SEL = 0) to connect LED1 to 1LED1.
0LED2 Output. Drive SEL high (SEL = 1) to connect LED0 to 0LED2.
1LED2 Output. Drive SEL high (SEL = 1) to connect LED1 to 1LED2.
Switch 7. Normally open terminal 7.
Switch 6. Normally open terminal 6.
Switch 7. Normally closed terminal 7.
Switch 6. Normally closed terminal 6.
Switch 5. Normally open terminal 5.
Switch 4. Normally open terminal 4.
Switch 5. Normally closed terminal 5.
Switch 4. Normally closed terminal 4.
Switch 3. Normally open terminal 3.
Switch 2. Normally open terminal 2.
Switch 3. Normally closed terminal 3.
Switch 2. Normally closed terminal 2.
Switch 1. Normally open terminal 1.
Switch 0. Normally open terminal 0.
Switch 1. Normally closed terminal 1.
Switch 0. Normally closed terminal 0.
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