XRT75L00D Datasheet, PDF (25/92 Pages) Exar Corporation – E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER

REV. 1.0.2
XRT75L00D
E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
TABLE 5: STS-1 TRANSMITTER AND RECEIVER LINE SIDE SPECIFICATIONS (TA = 25⁰C AND VDD =3.3V ± 5%)
PARAMETER
MIN
TYP
MAX
TRANSMITTER LINE SIDE OUTPUT CHARACTERISTICS
Transmit Output Pulse Amplitude
(measured with TxLEV = 0)
Transmit Output Pulse Amplitude
(measured with TxLEV = 1)
Transmit Output Pulse Width
Transmit Output Pulse Amplitude Ratio
Intrinsic Jitter
0.65
0.75
0.90
0.90
1.00
1.10
8.6
9.65
10.6
0.90
1.00
1.10
0.02
0.05
RECEIVER LINE SIDE INPUT CHARACTERISTICS
Receiver Sensitivity (length of cable)
900
Jitter Tolerance @ Jitter Frequency 400 KHz
0.15
1100
0.60
Signal Level to Declare Loss of Signal
Signal Level to Clear Loss of Signal
Refer to Table 10
Refer to Table 10
UNITS
V_pk
V_pk
ns
UI_pp
feet
UI_pp
FIGURE 9. TRANSMIT OUPUT PULSE TEMPLATE FOR DS3 AS PER BELLCORE GR-499
DS3 Pulse T emplate
1.2
1
0.8
0.6
Lower Curve
Upper Curve
0.4
0.2
0
-0.2
-1 _{-0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1}
0 _{0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9}
Tim e, in UI
1 _{1.1 1.2 1.3 1.4}
20