XRT59L921IB Exar Corporation, XRT59L921IB Datasheet - Page 14

• Manufacturer Part Number: XRT59L921IB
• Description: 21 CHANNEL E1 LIU
• Manufacturer: Exar Corporation

Specifications of XRT59L921IB

• Lead Free Status / RoHS Status: Contains lead / RoHS Compliant

XRT59L921
TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT
RECEIVER ELECTRICAL CHARACTERISTICS
T
TRANSMITTER ELECTRICAL CHARACTERISTICS
TA=-40 to 85°C, VDD=3.3V±5%, unless otherwise specified
Receiver Loss of Signal:
Jitter Tolerance:
Return Loss:
AMI Output Pulse Amplitude:
Output Return Loss:
Threshold to Assert
Threshold to Clear
Time Delay
Hysteresis
Receiver Sensitivity
Interference Margin
Input Impedance
20Hz
700Hz
10KHz —100KHz
51KHz —102KHz
102KHz—2048KHz
2048KHz—3072KHz
75Ω Application
120Ω Application
Output Pulse Width
Output Pulse Width Ratio
Output Pulse Amplitude Ratio
51KHz —102KHz
102KHz—2048KHz
2048KHz—3072KHz
A
=-40 to 85°C, V
Parameter
Parameter
DD
=3.3V±5%, unless otherwise specified.
M
0.3
-18
10
10
14
20
16
-
-
-
9
5
5
IN
2.13
2.70
0.95
0.95
M
224
8
8
8
IN
T
20
15
-14
11
YP
5
-
-
-
-
-
-
2.37
T
244
3.0
YP
−
−
-
-
-
M
255
12
AX
-
-
-
-
-
-
-
-
-
-
M
2.60
3.30
1.05
1.05
264
AX
-
-
-
U
UIpp
UIpp
UIpp
KΩ
dB
dB
dB
dB
dB
dB
dB
bit
dB
NIT
U
dB
dB
dB
ns
V
V
NIT
−
−
Cable attenuation @ 1024KHz
Per ITU-G.775
Below nominal pulse amplitude of 3.0V for
120Ω and 2.37V for 75Ω applications.
With 6dB cable loss.
Per ITU-G.703
and 9.1Ω resistor in series with
each end of primary
Per
Per
Per
Use transformer with 1:2 ratio
ITU-G.703
ITU-G.703
ETSI 300 166 and G.703
T
EST
T
EST
C
ONDITIONS
C
ONDITIONS
REV. 1.2.1