GS4915 Datasheet, PDF (11/27 Pages) Gennum Corporation – ClockCleaner™

Table 2-2: AC Electrical Characteristics (Continued)
V_DD = 1.8V ±5%, T_A = 0ºC to 70ºC, unless otherwise shown
Parameter
Symbol Conditions
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
–
–
–
–
t_LOCKD
Unlock Detect Time
t_UNLOCKD
Lock Time
Device Latency
t_LOCK
–
Device Latency Difference
–
NOTES:
1. One UI refers to one cycle of the input CLK.
2. Assuming power up has already occurred.
3. Difference between cleaning and bypass modes.
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
–
–
–
–
45
40
–
–
12
12
–
–
–
–
–
–
–
–
Typ
20
40
60
100
–
–
500
1200
–
–
–
–
–
1.2
1.2 -
T_out/4
3.5
3.5 -
T_out/4
750
Max
–
–
–
–
55
60
Units
ps
ps
ps
ps
%
%
Notes
–
–
–
–
–
–
–
ps
–
–
ps
–
165
MHz
–
165
MHz
–
500
us
–
500
us
–
1
s
2
–
ns
–
–
ns
–
–
ns
–
–
ns
–
–
ps
3
GS4915 ClockCleaner™
Data Sheet
39145 - 5
June 2009
11 of 27