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GS4915 Datasheet, PDF (10/26 Pages) Gennum Corporation – ClockCleaner™
2.3 AC Electrical Characteristics
GS4915 Data Sheet
Table 2-2: AC Electrical Characteristics
VDD = 1.8V ±5%, TA = 0ºC to 70ºC, unless otherwise shown
Parameter
Symbol Conditions
Input Jitter Tolerance
IJT
Output Jitter
–
Differential Output
–
Output Jitter
–
Single-ended Output
–
Output Duty Cycle
–
Differential Clock Output Rise / Fall Time –
Single-ended Clock Output Rise / Fall Time –
Input Clock Frequency
–
Output Clock Frequency
–
Lock Detect Time
tLOCKD
Unlock Detect Time
tUNLOCKD
Lock Time
Device Latency
tLOCK
–
Device Latency Difference
–
NOTES:
1. One UI refers to one cycle of the input CLK.
2. Assuming power up has already occured.
3. Difference between cleaning and bypass modes.
< 0.5Hz
0.5Hz to 1Hz
1Hz to 100Hz
> 100Hz
100kHz to 10MHz
Unfiltered
100kHz to 10MHz
Unfiltered
Differential output
Single-ended output
100Ω diff. load
10 pF load
–
–
Within 300ppm of
reference frequency
Within 700ppm of
reference frequency
–
Differential in,
Differential out,
SKEW_EN = LOW
Differential in,
Differential out,
SKEW_EN = HIGH
Single ended in,
single ended out,
SKEW_EN = LOW
Single ended in,
single ended out,
SKEW_EN = HIGH
–
Min
-10
-5
-1
-0.1
–
–
–
–
45
40
–
–
12
12
–
–
–
–
–
–
–
–
Typ
–
–
–
–
20
40
60
100
–
–
500
1200
–
–
–
–
–
1.2
1.2 -
Tout/4
3.5
3.5 -
Tout/4
750
Max
10
5
1
0.1
–
–
–
–
55
60
–
–
165
165
500
Units Notes
UI
1
UI
1
UI
1
UI
1
ps
–
ps
–
ps
–
ps
–
%
–
%
–
ps
–
ps
–
MHz
–
MHz
–
us
–
500
us
–
1
s
2
–
ns
–
–
ns
–
–
ns
–
–
ns
–
–
ps
3
39145 - 3 November 2007
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