XRT73L03 Datasheet, PDF (7/62 Pages) Exar Corporation – 3 CHANNEL E3/DS3/STS-1 LINE INTERFCE UNIT

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PRELIMINARY
PIN DESCRIPTIONS
PIN DESCRIPTION
PIN #
1
SIGNAL NAME
TNData2
2
TPData2
3
TxClk2
4
MRing2
5
MTIP2
6
TAOS2
7
TAOS3
8
TxLEV2
9
TxLEV3
10
TTIP2
11
TxAVDD2
12
TRing2
13
TxAGND2
14
TxAGND3
15
MRing3
16
MTIP3
17
TxAGND3
18
TRing3
19
TxAVDD3
20
TTIP3
21
DMO3
3 CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT XRT73L03
REV. P1.0.13
TYPE
I
I
I
I
I
I
I
I
I
O
****
O
****
****
I
I
****
O
****
O
O
DESCRIPTION
Transmit Negative Data Input - Channel 2:
Refer to the description of pin 32 TNData1
Transmit Positive Data Input - Channel 2:
Refer to the description of pin 33 TPData1
Transmit Clock Input for TPData and TNData - Channel 2:
Refer to the description of pin 34 TxClk1
Monitor Ring Input - Channel 2:
Refer to the description of pin 31 MRing1
Monitor Tip Input - Channel 2:
Refer to the description of pin 30 MTIP1
Transmit All Ones Select - Channel 2:
Refer to description of pin 36 TAOS1
Transmit All Ones Select - Channel 3:
Refer to description of pin 36 TAOS1
Transmit Line Build-Out Enable/Disable Select - Channel 2:
Refer to the description of 35 TxLEV1
Transmit Line Build-Out Enable/Disable Select - Channel 3:
Refer to the description of 35 TxLEV1
Transmit TTIP Output - Channel 2:
Refer to the description of pin 29 TTIP1
Transmitter Analog 3.3V+ 5% VDD - Transmitter 2
Transmit Ring Output - Channel 2:
Refer to the description of pin 27 TRing1
Transmitter Analog GND - Transmitter 2
Transmitter Analog GND - Channel 3
Monitor Ring Input - Channel 3:
Refer to the description of pin 31 MRing1
Monitor Tip Input - Channel 3:
Refer to the description of pin 30 MTIP1
Transmitter Analog GND - Transmitter 3
Transmit Ring Output - Channel 3:
Refer to the description of pin 27 TRing1
Transmitter Analog 3.3V+ 5% VDD - Transmitter 3
Transmit TTIP Output - Channel 3:
Refer to the description of pin 29 TTIP1
Drive Monitor Output - Channel 3:
Refer to the description of pin 38 DMO1
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