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 DS3 APPLICATION
SYMBOL
PARAMETER
MIN.
TYP.
MAX
UNITS
Receive Sensitivity (Length of Cable)
900
feet
Receive Intrinsic Jitter (all “1’s” Pattern)
0.01
UI
Receive Intrinsic Jitter (Using PRBS 223-1 Pattern)
0.02
UI
Signal Level to Declare Loss of Signal (LOSTHR = 0, REQ_IN =
1)
55
mV
Signal Level to Clear Loss of Signal (LOSTHR = 0, REQ_IN = 1) 220
Signal Level to Declare Loss of Signal
(LOSTHR = 1, REQ_IN = 1)
Signal Level to Clear Loss of Signal (LOSTHR = 1, REQ_IN = 1) 90
mV
22
mV
mV
Signal Level to Declare Loss of Signal (LOSTHR = 0, REQ_IN =
0)
35
mV
Signal Level to Clear Loss of Signal (LOSTHR = 0, REQ_IN = 0) 155
mV
Signal Level to Declare Loss of Signal (LOSTHR = 1, REQ_IN =
0)
17
mV
Signal Level to Clear Loss of Signal (LOSTHR = 1, REQ_IN = 0) 70
mV
Intrinsic Jitter (all “1’s” Pattern)
0.01
UI
Intrinsic Jitter (“100” Pattern)(1)
0.02
UI
Jitter Tolerance @ Jitter Frequency = 100Hz
64
UI
Jitter Tolerance @ Jitter Frequency = 1kHz
64
UI
Jitter Tolerance @ Jitter Frequency = 10kHz
5
UI
Jitter Tolerance @ Jitter Frequency = 800kHz
0.4
UI
(1) Measured at nominal DSX3 level, Equalizer en-
abled, VDD = 5V, TA = 25°C
19
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