xrt5997 Exar Corporation, xrt5997 Datasheet - Page 11

• Manufacturer Part Number: xrt5997
• Description: Xrt5997 -seven Channel E1 Line Interface Unit
• Manufacturer: Exar Corporation

PIN DESCRIPTION (CONT'D)
Pin#
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
Rev. 1.0.0
Symbol
RRing5
RRing7
TVDD4
TRing4
TGND4
TRing5
TVDD5
TGND5
DGND
AGND
RTIP4
RTIP5
AVDD
AVDD
TTIP4
TTIP5
Type
O
O
O
O
I
I
I
I
Description
Receiver 4 Positive Bipolar Input.
The Receive Section of Channel 4 uses this input pin, along with RRing4 to
receive the bipolar line signal from the “Remote E1 Terminal”.
Digital Ground. Digital Circuitry.
Transmitter 4 Positive Bipolar Output.
Channel 4 within the XRT5997 device will use this pin, along with TRing4, to
transmit a bipolar line signal, via a 1:2 step-up transformer.
Positive Supply (+3.3V ± 5%), Transmitters 4.
Transmitter 4 Negative Bipolar Output.
Channel 4 within the XRT5997 device will use this pin, along with TTIP4, to
transmit a bipolar line signal, via a 1:2 step-up transformer.
Digital Ground. Transmitters 4.
Transmitter 5 Negative Bipolar Output.
Channel 5 within the XRT5997 device will use this pin, along with TTIP5, to
transmit a bipolar line signal, via a 1:2 step-up transformer.
Positive Supply (+3.3V ± 5%), Transmitters 5.
Transmitter 5 Positive Bipolar Output.
Channel 5 within the XRT5997 device will use this pin, along with TRing5, to
transmit a bipolar line signal, via a 1:2 step-up transformer.
Digital Ground. Transmitters 5.
Receiver 5 Positive Bipolar Input.
The Receive Section of Channel 5 uses this input pin, along with RRing5 to
receive the bipolar line signal from the “Remote E1 Terminal”.
Receiver 5 Negative Bipolar Input.
The Receive Section of Channel 5 uses this input pin, along with RTIP5 to
receive the bipolar line signal from the “Remote E1 Terminal”.
Positive Supply (+3.3V ± 5%). Analog Circuitry.
Analog Ground.
Positive Supply (+3.3V ± 5%). Receiver 4, 6, 7.
Receiver 7 Negative Bipolar Input.
The Receive Section of Channel 7 uses this input pin, along with RTIP7 to
receive the bipolar line signal from the “Remote E1 Terminal”.
11
XRT5997