MAX4890ETJ+T Maxim Integrated Products, MAX4890ETJ+T Datasheet - Page 5

• Manufacturer Part Number: MAX4890ETJ+T
• Description: IC ETHERNET SWITCH OCTAL 32TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX4890ETJ+T

• Function: Ethernet Switch
• Circuit: 8 x 2:1
• On-state Resistance: 5.5 Ohm
• Voltage Supply Source: Single Supply
• Voltage - Supply, Single/dual (±): 3 V ~ 3.6 V
• Current - Supply: 280µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1000 Base-T ±15kV ESD Protection LAN Switch
MAX4892E
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
—
—
1
2
3
4
5
6
7
8
9
PIN
MAX4890E
3-6, 12
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32
10
11
13
14
15
16
17
18
19
20
21
22
23
24
29
25
26
27
28
30
31
—
—
—
—
—
—
—
—
—
—
1
2
7
8
9
0LED1
0LED2
1LED1
1LED2
2LED2
2LED1
NAME
LED0
LED1
LED2
GND
N.C.
7B2
6B2
7B1
6B1
5B2
4B2
5B1
4B1
3B2
2B2
3B1
2B1
SEL
1B2
0B2
1B1
0B1
A1
A2
A3
A4
A5
A6
A7
V+
A0
EP
Differential PHY Interface Pair. Connect to the Ethernet PHY.
Differential PHY Interface Pair. Connect to the Ethernet PHY.
Differential PHY Interface Pair. Connect to the Ethernet PHY.
LED0 Input
0LED1 Output. Drive SEL low (SEL = 0) to connect LED0 to 0LED1.
0LED2 Output. Drive SEL high (SEL = 1) to connect LED0 to 0LED2.
Differential PHY Interface Pair. Connect to the Ethernet PHY.
Differential PHY Interface Pair. Connect to the Ethernet PHY.
Differential PHY Interface Pair. Connect to the Ethernet PHY.
Differential PHY Interface Pair. Connect to the Ethernet PHY.
Ground
LED1 Input
1LED1 Output. Drive SEL low (SEL = 0) to connect LED1 to 1LED1.
1LED2 Output. Drive SEL high (SEL = 1) to connect LED1 to 1LED2.
B2 Differential Pair
B2 Differential Pair
B1 Differential Pair
B1 Differential Pair
B2 Differential Pair
B2 Differential Pair
B1 Differential Pair
B1 Differential Pair
B2 Differential Pair
B2 Differential Pair
B1 Differential Pair
B1 Differential Pair
Select Input. SEL selects switch connection. See the Truth Table (Table1).
B2 Differential Pair
B2 Differential Pair
B1 Differential Pair
B1 Differential Pair
2LED2 Output. Drive SEL high (SEL = 1) to connect LED2 to 2LED2.
2LED1 Output. Drive SEL low (SEL = 0) to connect LED2 to 2LED1.
LED2 Input
Positive-Supply Voltage Input. Bypass to GND with a 0.1µF ceramic capacitor.
Differential PHY Interface Pair. Connect to the Ethernet PHY.
No Connection. Not internally connected.
Exposed Pad. Connect exposed pad to GND or leave it unconnected.
FUNCTION
Pin Description
5