ICS9FG104 Datasheet, PDF (6/15 Pages) Integrated Circuit Systems – Programmable FTG for Differential P4TM CPU, PCI-Express & SATA Clocks

Integrated
Circuit
Systems, Inc.
ICS9FG104
Electrical Characteristics - REF-14.318/25 MHz
T_A = 0 - 70°C; V_DD = 3.3 V +/-5% ; C_L = 30 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
T _{pe rio d}
14.318MHz output nominal 69.8270 69.8413 69.8550 ns
1
25.000MHz output nominal 39.9880 40.0000 40.0120 ns
1
Output High Voltage
V_OH
I_OH = -1 mA
2.4
V
1
Output Low Voltage
V_OL
I_OL = 1 mA
0.4
V
1
Output High Current
I_OH
V_OH @MIN = 1.0 V,
V_OH@MAX = 3.135 V
-29
-23 mA 1
Output Low Current
I_OL
V_OL @MIN = 1.95 V,
V_OL @MAX = 0.4 V
29
27
mA
1
Rise Time
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
1
1.6
2
ns
1
Fall Time
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
1
1.6
2
ns 1,2
Duty Cycle
d_t1
V_T = 1.5 V
45
52.5
55
% 1,2
Jitter
t _{jc y c -c y c}
V_T = 1.5 V
1_{Guaranteed by design and characterization, not 100% tested in production.}
150
200
ps
1
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at}
14.31818MHz or 25 MHz
0839D—06/02/05
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