XRT5793IV Exar, XRT5793IV Datasheet - Page 2

• Manufacturer Part Number: XRT5793IV
• Description: Peripheral Drivers & Components - PCIs Quad E1 LIU
• Manufacturer: Exar

Specifications of XRT5793IV

• Rohs: yes
• Mounting Style: SMD/SMT
• Package / Case: TQFP-80

BLOCK DIAGRAM
Drivers Return
Loss Exceeds
XR-T5793
ETSI 300 166
Impedance
Selectable
Rev. 2.00
Tristate
Impedance Selectable
(Without Transformer)
(Without Transformer)
120
LOS Threshold Based on G.775
Loss Exceeds G7.03.
120 ,100
Note
75 Balanced
1
R
Receivers. Return
OUT
75
75
(or 100 )
Balanced
= 68 for 120 line impedance, R
Unbalanced
Unbalanced
or
RX INPUT
TX OUTPUT
PE-65834
TTI-7148
RING
PE-65839
TTI-7149
RING
TIP
TIP
TIP
TIP
0.1 F
0.1 F
Figure 1. Block Diagram
LOOPSEL (1.0)
75
R
OUT
100
120
OUT
LOOPEN
or
Rout
LPMOD
TXOUT
= 62 for 100 line impedance, R
E1/T1-
1
TXEN
RXIN
1
2
Detector
Peak
Detector
Level
Driver
Voltage
Slice
OUT
= 68 for 75 line impedance
Slicer
Transceiver 4
Transceiver 3
Transceiver 2
R
m
L
o
a
e
o
e
L
o
o
p
b
a
c
l
/
t
c
k
Transceiver 1
TXPOS
TXNEG
TCLK
RXPOS
RXNEG
LOS