3.125Gbps XAUI Quad Equalizer
PIN
1, 5, 9, 13,
23, 27, 31,
35
2
3
4, 8, 12, 16,
26, 30, 34,
38
6
7
10
11
14
15
17–22, 39–42
24
25
28
29
32
33
36
37
43
44
—
NAME
VCC
IN1+
IN1-
GND
IN2+
IN2-
IN3+
IN3-
IN4+
IN4-
N.C.
OUT4-
OUT4+
OUT3-
OUT3+
OUT2-
OUT2+
OUT1-
OUT1+
EN
SDET
EP
FUNCTION
Pin Description
+3.3V Supply Voltage
Positive Equalizer Input Channel 1, CML
Negative Equalizer Input Channel 1, CML
Supply Ground
Positive Equalizer Input Channel 2, CML
Negative Equalizer Input Channel 2, CML
Positive Equalizer Input Channel 3, CML
Negative Equalizer Input Channel 3, CML
Positive Equalizer Input Channel 4, CML
Negative Equalizer Input Channel 4, CML
No Connection. Leave unconnected.
Negative Equalizer Output Channel 4, CML
Positive Equalizer Output Channel 4, CML
Negative Equalizer Output Channel 3, CML
Positive Equalizer Output Channel 3, CML
Negative Equalizer Output Channel 2, CML
Positive Equalizer Output Channel 2, CML
Negative Equalizer Output Channel 1, CML
Positive Equalizer Output Channel 1, CML
Enable Equalizer Input. A TTL high selects normal operation. A TTL low selects low-power
standby mode.
Signal Detect Output for Channel 1. Produces a TTL high output when a signal is detected.
Exposed Pad. The exposed pad must be soldered to the circuit board ground plane for proper
thermal and electrical performance.
_______________________________________________________________________________________ 5