XRT75L06DIB View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT75L06DIB' PDF : 103 Pages View PDF
XRT75L06D
xr
SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
REV. 1.0.4
TABLE 6: DS3 PULSE MASK EQUATIONS
TIME IN UNIT INTERVALS
NORMALIZED AMPLITUDE
LOWER CURVE
-0.85 < T < -0.36
- 0.03
-0.36 < T < 0.36
·
0.5
1
+
sin
⎧
⎨
⎩
2-π- ⎝⎛
1
+
0----.-T-1---8--⎠⎞
⎫
⎬
⎭
– 0.03
0.36 < T < 1.4
-0.85 < T < -0.68
-0.68 < T < 0.36
- 0.03
UPPER CURVE
0.03
·
0.5
1
+
sin
⎧
⎨
⎩
-π-
2
⎛
⎝
1
+
0----.-T-3---4--⎠⎞
⎫
⎬
⎭
+ 0.03
0.36 < T < 1.4
0.08 + 0.407 x e-1.84[T-0.36]
TABLE 7: DS3 TRANSMITTER LINE SIDE OUTPUT AND RECEIVER LINE SIDE INPUT SPECIFICATIONS (GR-499)
PARAMETER
MIN
TYP
MAX
TRANSMITTER LINE SIDE OUTPUT CHARACTERISTICS
Transmit Output Pulse Amplitude
0.65
(measured with TxLEV = 0)
0.75
0.85
Transmit Output Pulse Amplitude
(measured with TxLEV = 1)
0.90
1.00
1.10
Transmit Output Pulse Width
Transmit Output Pulse Amplitude Ratio
10.10
0.90
11.18
1.00
12.28
1.10
Transmit Intrinsic Jitter
0.02
0.05
RECEIVER LINE SIDE INPUT CHARACTERISTICS
Receiver Sensitivity (length of cable)
900
1100
Jitter Tolerance @ 400 KHz (Cat II)
0.15
Signal Level to Declare Loss of Signal
Refer to Table 10
Signal Level to Clear Loss of Signal
Refer to Table 10
UNITS
Vpk
Vpk
ns
UIpp
feet
UIpp
NOTE: The above values are at TA = 250C and VDD = 3.3V ± 5%.
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