XRT71D00 Datasheet, PDF (7/18 Pages) Exar Corporation – E3/DS3/STS-1 JITTER ATTENUATOR,STS-1 TO DS3 DESYNCHRONIZER

XRT71D00

E3/DS3/STS-1 JITTER ATTENUATOR, STS-1 TO DS3 DESYNCHRONIZER
REV. 1.01
ELECTRICAL CHARACTERISTICS
AC Electrical Characteristics
SYMBOL
PARAMETER
MClk
MClk
MClk
MClk
RClk
RClk
RClk
RClk
tsu
th
td
te
Duty Cycle
Frequency E3
Frequency DS3
Frequency STS-1
Duty Cycle
Frequency (E3,DS3 or STS-1)
Rise Time
Fall Time
RPOS/RNEG to RClk rise time setup
RPOS/RNEG to RClk rising hold time
RRPOS/RRNEG delay from RRClk rising
RRPOS/RRNEG delay from RRClk falling
Microprocessor Serial Interface Timing ( see Figure 6)
MIN
30
30
-400
5
5
5
5
TYP
50
34.368
44.736
51.84
50
0
MAX
70
70
400
UNITS.
%
MHz
MHz
MHz
%
ppm
ns
ns
ns
ns
ns
ns
SYMBOL
PARAMETER
t21 CSB Low to Rising Edge of SClk Setup Time
t22 SClk to CSB Hold Time
t23 SDI to Rising Edge of SClk Setup Time
t24 SDI to Rising Edge of SClk Hold Time
t25 SClk “Low” Time
t26 SClk “High” Time
t27 SClk Period
t28 SClk to CSB Hold Time
t29 CSB “Inactive” Time
t30 Falling Edge of SClk to SDO Valid Time
t31 Falling Edge of SClk to SDO Invalid Time
t32 Falling Edge of SClk, or rising edge of CSB to High Z
MIN
TYP
MAX
UNITS.
50
ns
20
ns
50
ns
50
ns
240
ns
240
ns
500
ns
50
ns
250
ns
200
ns
100
ns
100
ns
7