MAX4890 Maxim, MAX4890 Datasheet - Page 7

• Manufacturer Part Number: MAX4890
• Description: The MAX4890/MAX4891/MAX4892 high-speed analog switches meet the needs of 10/100/1000 Base-T applications
• Manufacturer: Maxim

31, 32, 1, 2,
13, 14, 17,
18, 21, 22,
15, 16, 19,
20, 23, 24,
MAX4890
3–6, 12
25, 26
27, 28
7–10
—
—
—
11
—
—
—
29
—
—
—
30
—
31, 32, 1, 2,
13, 14, 17,
18, 21, 22,
15, 16, 19,
20, 23, 24,
MAX4891
25, 26
27, 28
6, 12
7–10
PIN
10/100/1000 Base-T Ethernet LAN Switch
11
29
30
—
—
—
—
—
—
—
3
4
5
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15, 16, 19,
20, 23, 24,
17, 18, 21,
22, 25, 26,
MAX4892
36, 1, 2, 3,
28, 29
30, 31
7–10
11
12
13
14
27
32
33
34
35
—
—
4
5
6
7B2–0B2
7B1–0B1
NAME
A0–A7
0LED1
0LED2
1LED1
1LED2
2LED2
2LED1
LED0
LED1
LED2
GND
N.C.
SEL
V+
EP
Differential PHY Interface Pair. Connects to the Ethernet PHY.
LED0 Input
0LED1 Output. Connects LED0 to 0LED1 when SEL = 0.
0LED2 Output. Connects LED0 to 0LED2 when SEL = 1.
No Connection. Not internally connected.
Ground
LED1 Input
1LED1 Output. Connects LED1 to 1LED1 when SEL = 0.
1LED2 Output. Connects LED1 to 1LED2 when SEL = 1.
B2 Differential Transformer Pair
B1 Differential Transformer Pair
Select Input. Selects switch connection. See the Truth Table (Table 1).
2LED2 Output. Connects LED2 to 2LED2 when SEL = 1.
2LED1 Output. Connects LED2 to 2LED1 when SEL = 0.
LED2 Input
Positive Supply-Voltage Input
Exposed Paddle. Not internally connected. Leave EP unconnected or connect
to ground.
FUNCTION
Pin Description
7