GS4915 Data Sheet
2.3 AC Electrical Characteristics
Table 2-2: AC Electrical Characteristics
V
DD
= 1.8V ±5%, T
A
= 0ºC to 70ºC, unless otherwise shown
Parameter
Input Jitter Tolerance
Symbol
IJT
Conditions
< 0.5Hz
0.5Hz to 1Hz
1Hz to 100Hz
> 100Hz
Min
-10
-5
-1
-0.1
–
–
–
–
45
40
–
–
12
12
–
–
–
–
Typ
–
–
–
–
20
40
60
100
–
–
500
1200
–
–
–
–
–
1.2
Max
10
5
1
0.1
–
–
–
–
55
60
–
–
165
165
500
500
1
–
Units
UI
UI
UI
UI
ps
ps
ps
ps
%
%
ps
ps
MHz
MHz
us
us
s
ns
Notes
1
1
1
1
–
–
–
–
–
–
–
–
–
–
–
–
2
–
Output Jitter
Differential Output
Output Jitter
Single-ended Output
Output Duty Cycle
–
–
–
–
–
100kHz to 10MHz
Unfiltered
100kHz to 10MHz
Unfiltered
Differential output
Single-ended output
Differential Clock Output Rise / Fall Time
Single-ended Clock Output Rise / Fall Time
Input Clock Frequency
Output Clock Frequency
Lock Detect Time
Unlock Detect Time
Lock Time
Device Latency
–
–
–
–
t
LOCKD
t
UNLOCKD
t
LOCK
–
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
–
1.2 -
T
out
/4
3.5
–
ns
–
–
–
ns
–
–
3.5 -
T
out
/4
750
–
ns
–
Device Latency Difference
NOTES:
–
–
–
–
ps
3
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.
39145 - 3
November 2007
10 of 26
GENNUM [ GENNUM CORPORATION ]
