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XRT83SH38
17
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.7
POWER AND GROUND
SIGNAL NAME
BGA
LEAD #
TYPE
DESCRIPTION
TGND0
TGND1
TGND2
TGND3
TGND4
TGND5
TGND6
TGND7
D3
F2
E15
C17
R3
P3
T16
R16
****
Transmitter Analog Ground
It’s recommended that all ground pins of this device be tied together.
TVDD0
TVDD1
TVDD2
TVDD3
TVDD4
TVDD5
TVDD6
TVDD7
E4
F4
F16
E17
R4
P1
N15
P15
****
Transmit Analog Power Supply (3.3V ±5%)
TVDD can be shared with DVDD. However, it is recommended that TVDD be
isolated from the analog power supply RVDD. For best results, use an internal
power plane for isolation. If an internal power plane is not available, a ferrite
bead can be used. Each power supply pin should be bypassed to ground
through an external 0.1
F capacitor.
RVDD0
RVDD1
RVDD2
RVDD3
RVDD4
RVDD5
RVDD6
RVDD7
C2
E5
G16
D16
V2
N3
N17
U18
****
Receive Analog Power Supply (3.3V ±5%)
RVDD should not be shared with other power supplies. It is recommended that
RVDD be isolated from the digital power supply DVDD and the analog power
supply TVDD. For best results, use an internal power plane for isolation. If an
internal power plane is not available, a ferrite bead can be used. Each power
supply pin should be bypassed to ground through an external 0.1
F capacitor.
RGND0
RGND1
RGND2
RGND3
RGND4
RGND5
RGND6
RGND7
D2
G3
G17
D17
T2
M2
M17
R17
****
Receiver Analog Ground
It’s recommended that all ground pins of this device be tied together.
AVDD
K17
J3
J2
****
Analog Power Supply (3.3V ±5%)
AVDD should be isolated from the digital power supplies. For best results, use
an internal power plane for isolation. If an internal power plane is not available,
a ferrite bead can be used. Each power supply pin should be bypassed to
ground through at least one 0.1
F capacitor.
AGND
J17
K3
L4
****
Analog Ground
It’s recommended that all ground pins of this device be tied together.