XRT7302IQ80 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT7302IQ80' PDF : 77 Pages View PDF
XRT7302 2 CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
áç
REV. 1.1.0
ELECTRICAL CHARACTERISTICS (CONTINUED), (TA = 250C, VDD = 5V + 5%, UNLESS OTHERWISE SPECIFIED)
LINE SIDE PARAMETERS E3 APPLICATION
TRANSMIT CHARACTERISTICS (SEE FIGURE 2)
SYMBOL
PARAMETER
MIN.
TYP.
MAX
UNITS
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)
Transmit Output Pulse Width
Transmit Output Pulse Amplitude Ratio
Transmit Output Jitter with jitter-free input @ TxClk(n)
MIN.
0.68
0.93
8.6
0.9
TYP.
0.75
0.98
9.65
1.0
0.02
MAX
0.85
1.08
UNITS
Vpk
Vpk
10.6
ns
1.1
0.05
UI
Receive Line Characteristics (See Figure 3)
Receive Sensitivity (Length of Table)
900
feet
Signal Level to Declare Loss of Signal (LOSTHR = 0, REQ_IN = 1)
75
mV
Signal Level to Clear Loss of Signal (LOSTHR = 0, REQ_IN = 1)
270
Signal Level to Declare Loss of Signal
(LOSTHR = 1, REQ_IN = 1)
Signal Level to Clear Loss of Signal (LOSTHR = 1, REQ_IN = 1)
110
mV
25
mV
mV
Signal Level to Declare Loss of Signal (LOSTHR = 0, REQ_IN = 0)
55
mV
Signal Level to Clear Loss of Signal (LOSTHR = 0, REQ_IN = 0)
210
mV
Signal Level to Declare Loss of Signal (LOSTHR = 1, REQ_IN = 0)
90
mV
Signal Level to Clear Loss of Signal (LOSTHR = 1, REQ_IN = 0)
90
mV
Intrinsic Jitter (all “Ones” Pattern)(2)
0.03
UI
Intrinsic Jitter (all “Ones” Pattern)
0.03
UI
Jitter Tolerance @ Jitter Frequency = 100Hz
64
UI
Jitter Tolerance @ Jitter Frequency = 1kHz
64
UI
Jitter Tolerance @ Jitter Frequency = 10kHz
5
UI
20
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