XRT7302IV View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT7302IV' PDF : 62 Pages View PDF
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2 CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
XRT7302
REV. 1.1.6
ELECTRICAL CHARACTERISTICS (CONTINUED), (TA = 250C, VDD = 5V + 5%, UNLESS OTHERWISE SPECIFIED)
LINE SIDE PARAMETERS E3 APPLICATION
SYMBOL
PARAMETER
TRANSMIT CHARACTERISTICS (SEE ƒIGURE 2)
Transmit Output Pulse Amplitude
(Measured at Secondary Output of Transformer, see Figure 1)
MIN.
0.9
TYP.
1.0
MAX
UNITS
1.1
Vpk
Transmit Output Pulse Amplitude Ratio
0.95
1.00
1.05
Transmit Output Pulse Width
12.5
14.55
16.5
ns
Transmit Output Pulse Width Ratio
0.95
1.00
1.05
Transmit Output Jitter with jitter-free input @ TxClk(n)
Receive Line Characteristics (See ƒigure 3)
Receive Sensitivity (Length of cable)
0.02
0.05
UIpp
1100
feet
Interference Margin
-20
-17
dB
Signal Level to Declare Loss of Signal
-35
dB
Signal Level to Clear Loss of Signal
-15
dB
Occurrence of LOS to LOS Declaration Time
10
100
255
UI
Termination of LOS to LOS Clearance Time
10
100
255
UI
Intrinsic Jitter (all “1’s” Pattern)(1)
0.01
UI
Intrinsic Jitter (“100” Pattern)
0.03
UI
Jitter Tolerance @ Jitter Frequency = 100Hz
64
UI
Jitter Tolerance @ Jitter Frequency = 1kHz
30
UI
Jitter Tolerance @ Jitter Frequency = 10kHz
4
UI
Jitter Tolerance @ Jitter Frequency = 800kHz
0.15
UI
ELECTRICAL CHARACTERISTICS (CONTINUED), (TA = 250C, VDD = 5V + 5%, UNLESS OTHERWISE SPECIFIED)
LINE SIDE PARAMETERS SONET STS-1 APPLICATION
TRANSMIT CHARACTERISTICS (SEE FIGURE 2)
SYMBOL
PARAMETER
Transmit Output Pulse Amplitude
(Measured with TxLEV=0, see Figure 1)
Transmit Output Pulse Amplitude
(Measured with TxLEV=1, see Figure 1)
MIN.
0.68
0.93
TYP.
0.75
0.98
MAX
0.85
1.08
UNITS
Vpk
Vpk
Transmit Output Pulse Width
8.6
9.65
10.6
ns
Transmit Output Pulse Amplitude Ratio
0.9
1.0
1.1
Transmit Output Jitter with jitter-free input @ TxClk(n)
0.02
0.05
UI
Receive Line Characteristics (See Figure 3)
17
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