MAX4927 Maxim, MAX4927 Datasheet - Page 6

• Manufacturer Part Number: MAX4927
• Description: The MAX4927 meets the needs of high-speed differential switching, including that of Gigabit Ethernet (10/100/1000) Base-T switching as well as LVDS and LVPECL switching
• Manufacturer: Maxim

1000 Base-T, ±15kV ESD Protection LAN Switch
6
1, 6, 9, 13, 16,
21, 24, 28, 33,
39, 44, 49, 53,
4, 10, 18, 27,
38, 50, 56
_______________________________________________________________________________________
PIN
55
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
2
3
5
7
8
0LED1
1LED1
0LED2
1LED2
NAME
LED0
LED1
GND
N.C.
V
7B2
6B2
7B1
6B1
5B2
4B2
5B1
4B1
3B2
2B2
3B1
2B1
1B2
0B2
1B1
0B1
SEL
A0
A1
A2
A3
A4
A5
A6
A7
DD
Ground
Switch 0. Common terminal 0.
Switch 1. Common terminal 1.
Positive-Supply Voltage Input. Bypass V
(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.
DD
to GND with a 0.1µF ceramic capacitor
FUNCTION
Pin Description