XRT75VL00_08 Datasheet, PDF (19/50 Pages) Exar Corporation – E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR

REV. 1.0.6
XRT75VL00
E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
FIGURE 5. RECEIVER DATA OUTPUT AND CODE VIOLATION TIMING
RClk
LCV
RPOS or
RNEG
t_RRX
t_LCVO
t_CO
t_FRX
SYMBOL
RxClk
t_RRX
t_FRX
t_CO
t_LCVO
PARAMETER
Duty Cycle
E3
DS3
STS-1
RxClk rise time (10% o 90%)
RxClk falling time (10% to 90%)
RxClk to RPOS/RNEG delay time
RxClk to rising edge of LCV output delay
MIN
TYP
MAX
UNITS
45
50
55
34.368
44.736
51.84
2
4
%
MHz
MHz
MHz
ns
2
4
ns
4
ns
2.5
ns
FIGURE 6. TRANSMIT PULSE AMPLITUDE TEST CIRCUIT FOR E3, DS3 AND STS-1 RATES
TxPOS
TxNEG
TxLineClk
TPData
TNData
TxClk
Rext
RefAGND
TTIP
TRing
R1
31.6Ω +1%
R2
31.6Ω + 1%
R3
75Ω
1:1
17