XRT75L03D Datasheet, PDF (44/134 Pages) Exar Corporation – THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER

XRT75L03D
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REV. 1.0.0 THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
TABLE 7: DS3 TRANSMITTER LINE SIDE OUTPUT AND RECEIVER LINE SIDE INPUT SPECIFICATIONS (GR-499)
PARAMETER
MIN
TYP
MAX
UNITS
TRANSMITTER LINE SIDE OUTPUT CHARACTERISTICS
Transmit Output Pulse Amplitude
(measured with TxLEV = 0)
0.65
0.75
0.85
V_pk
Transmit Output Pulse Amplitude
(measured with TxLEV = 1)
0.9
1.0
1.1
V_pk
Transmit Output Pulse Width
10.10
11.18
12.28
ns
Transmit Output Pulse Amplitude Ratio
0.9
1.0
1.1
Transmit Intrinsic Jitter ( without Jitter Attenuator in Transmit path)
0.01
0.015
UI_pp
Transmit Intrinsic Jitter ( withJitter Attenuator in Transmit path)
0.02
0.04
UI_pp
RECEIVER LINE SIDE INPUT CHARACTERISTICS
Receiver Sensitivity (length of cable)
900
1100
feet
Jitter Tolerance @ 400 KHz (Cat II)
Signal Level to Declare Loss of Signal
0.15
UI_pp
Refer to Table 10
Signal Level to Clear Loss of Signal
Refer to Table 10
NOTE: The above values are at TA = 25⁰C and V_DD = 3.3V ± 5%.
FIGURE 10. MICROPROCESSOR SERIAL INTERFACE STRUCTURE
CS
SClk
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
SDI
SDO
R/W A0 A1 A2 A3 A4 A5 0 D0 D1 D2 D3 D4 D5 D6 D7
High Z
High Z
D0 D1 D2 D3 D4 D5 D6 D7
NOTE: If the R/W bit is set to "1", then this denotes a "READ" operation with the Microprocessor Serial Interface.
Conversely, if the R/W bit is set to "0", then this denotes a "WRITE" operation.
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