XRT73L04A View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT73L04A' PDF : 65 Pages View PDF
XRT73L04A
4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
REV. 2.0.3
ELECTRICAL CHARACTERISTICS (CONTINUED) (TA = 25°C, VDD = 3.3V + 5%, UNLESS OTHERWISE SPECIFIED)
AC ELECTRICAL CHARACTERISTICS (SEE FIGURE 5)
TERMINAL SIDE TIMING PARAMETERS (SEE FIGURE 6 AND FIGURE 7) -- {(n) = 0, 1, 2 OR 3 }
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNITS
TxClk_(n) Clock Duty Cycle (STS-1/DS3)
30
50
70
%
TxClk_(n) Clock Duty Cycle (E3)
30
50
70
%
TxClk_(n) Frequency (SONET STS-1)
51.84
MHz
TxClk_(n) Frequency (DS3)
44.736
MHz
TxClk_(n) Frequency (E3)
34.368
MHz
tRTX TxClk_(n) Clock Rise Time (10% to 90%)
3
5
ns
tFTX TxClk_(n) Clock Fall Time (90% to 10%)
3
5
ns
tTSU TPData_(n)/TNData_(n) to TxClk_(n) Falling Set up time
3
1.5
ns
tTHO TPData_(n)/TNData_(n) to TxClk_(n) Falling Hold time
3
1.5
ns
tLCVO RxClk_(n) to rising edge of LCV_(n) output delay
2.5
ns
tTDY TTIP_(n)/TRing_(n) to TxClk_(n) Rising Propagation Delay time
8
ns
RxClk_(n) Clock Duty Cycle
50
%
RxClk_(n) Frequency (SONET STS-1)
51.84
MHz
RxClk_(n) Frequency (DS3)
44.736
MHz
RxClk_(n) Frequency (E3)
34.368
MHz
tCO RxClk_(n) to RPOS_(n)/RNEG_(n) Delay Time
0
2.5
ns
tRRX RxClk_(n) Clock Rise Time (10% to 90%)
tFRX RxClk_(n) Clock Fall Time (10% to 90%)
CI
Input Capacitance
CL
Load Capacitance
1.5
ns
1.5
ns
10
pF
10
pF
NOTES:
1. All XRT73L04A digital inputs are designed to be
TTL 5V compliant.
2. All XRT73L04A digital outputs are also TTL 5V
compliant. However, these outputs will not drive to
5V nor will they accept external 5V pull-ups.
16
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