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ICS9FG108 Datasheet, PDF (7/13 Pages) Integrated Circuit Systems – Programmable FTG for Differential P4 CPU, PCI-Express & SATA Clocks
Integrated
Circuit
Systems, Inc.
ICS9FG108
Advance Information
Electrical Characteristics - REF-14.318/25 MHz
TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBO
L
CONDITIONS
MIN TYP MAX UNITS Notes
Long Accuracy
ppm
see Tperiod min-max values -300
0
300 ppm 1
Clock period
Tperiod
14.318MHz output nominal 69.8270 69.8413 69.8550 ns 1,2
Clock period
Tperiod
25.000MHz output nominal 39.9880 40.0000 40.0120 ns 1,2
Output High Voltage
VOH
IOH = -1 mA
2.4
V
1
Output Low Voltage
VOL
IOL = 1 mA
0.4
V
1
Output High Current
IOH
VOH @MIN = 1.0 V,
VOH@MAX = 3.135 V
-29
-23 mA 1
Output Low Current
IOL
VOL @MIN = 1.95 V,
VOL @MAX = 0.4 V
29
27 mA 1
Rise Time
tr1
VOL = 0.4 V, VOH = 2.4 V
1
1.6
2
ns 1
Fall Time
tf1
VOH = 2.4 V, VOL = 0.4 V
1
1.6
2
ns 1
Duty Cycle
dt1
VT = 1.5 V
45
55
%1
Jitter
tjcyc-cyc
VT = 1.5 V
150 200 ps 1
1Guaranteed by design and characterization, not 100% tested in production.
2 All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818 or 25.00 MHz
0823—04/02/04
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