
xr
XRT73L02M
TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.0.0
19
NOTE: The above values are at
TA = 250C and VDD = 3.3 V ± 5%.
TABLE 5: STS-1 TRANSMITTER LINE SIDE OUTPUT AND RECEIVER LINE SIDE INPUT SPECIFICATIONS (GR-253)
PARAMETER
MIN
TYP
MAX
UNITS
TRANSMITTER LINE SIDE OUTPUT CHARACTERISTICS
Transmit Output Pulse Amplitude
(measured with TxLEV = 0)
0.75
Vpk
Transmit Output Pulse Amplitude
(measured with TxLEV = 1)
0.98
Vpk
Transmit Output Pulse Width
8.6
9.65
10.6
ns
Transmit Output Pulse Amplitude Ratio
0.9
1.0
1.1
RECEIVER LINE SIDE INPUT CHARACTERISTICS
Receiver Sensitivity (length of cable)
900
1100
feet
Jitter Tolerance @ Jitter Frequency 400 KHz
0.15
0.79
UIpp
FIGURE 9. TRANSMIT OUPUT PULSE TEMPLATE FOR DS3 AS PER BELLCORE GR-499
DS3 Pulse T emplate
-0.2
0
0.2
0.4
0.6
0.8
1
1.2
-1
-0
.9
-0.
8
-0
.7
-0.
6
-0
.5
-0.
4
-0
.3
-0.
2
-0
.1
0
0.
1
0.2
0.
3
0.
4
0.
5
0.
6
0.
7
0.
8
0.
9
1
1.
1
1.
2
1.
3
1.
4
Tim e , in UI
N
o
rm
a
liz
e
d
A
m
pl
it
ud
e
Lower Curve
Upper Curve