ics650-44 Integrated Device Technology, ics650-44 Datasheet - Page 6

• Manufacturer Part Number: ics650-44
• Description: Spread Spectrum Clock Synthesizer
• Manufacturer: Integrated Device Technology

AC Electrical Characteristics
IDT™ / ICS™ SPREAD SPECTRUM CLOCK SYNTHESIZER
ICS650-44
SPREAD SPECTRUM CLOCK SYNTHESIZER
Unless stated otherwise, VDD = 3.3 V ±5%, VDDO = 2.5 V ±5%, Ambient Temperature -40 to +85 C
Note 1: Measured with 5 pF load.
Input Frequency
Spread Spectrum Modulation
Frequency
Duty Cycle
Output Fall Time
Output Rise Time
One Sigma Clock Period Jitter
Absolute Jitter, Peak-to-Peak
Output Enable Time
Output Disable Time
Output-to-Output Skew
Power-up Time
Parameter
Symbol
t
t
F
t
2
DIS
t
EN
t
t
t
ja
/t
P
IN
3
4
1
Crystal or clock input
At VDD/2, Note 1 and
Figures 1 and 2
80% to 20%, Note 1
and Figures 1 & 3
20% to 80%, Note 1
and Figures 1 & 3
Note 1
Deviation from mean,
Note1 & Figures 1 and
6
PDTS high to PLL
locked to within 1% of
final value, Figure 5
Figure 5
PLL lock-time from
power-up to 1% of final
value, Figure 4
PDTS low to tri-state,
Conditions
6
Min.
45
Typ.
±125
±180
1.5
1.5
2.5
25
50
50
30
20
6
CLOCK SYNTHESIZER
ICS650-44
Max. Units
55
10
5
MHz
kHz
ms
ms
ns
ns
ps
ps
ns
ps
%
REV D 102709