ICS954119 Datasheet, PDF (16/17 Pages) Integrated Circuit Systems – Programmable Timing Control Hub™ for Next Gen P4™ processor

Integrated
Circuit
Systems, Inc.
ICS954119
Advance Information
Electrical Characteristics - REF-14.318MHz
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Long Accuracy
ppm
see Tperiod min-max values
-300
300
ppm
Clock period
T_period
14.318MHz output nominal 69.8270
69.8550
Output High Voltage
V_OH
I_OH = -1 mA
2.4
Output Low Voltage
V_OL
I_OL = 1 mA
0.4
Output High Current
I_OH
V_OH @MIN = 1.0 V,
V_OH@MAX = 3.135 V
-29
-23
Output Low Current
I_OL
V_OL @MIN = 1.95 V,
V_OL @MAX = 0.4 V
29
27
Edge Rate
t_slewr/f
Rising/Falling edge rate
1
4
Rise Time
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
1
2
Fall Time
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
1
2
Duty Cycle
d_t1
V_T = 1.5 V
45
55
Jitter
t_jcyc-cyc
V_T = 1.5 V
1000
*TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%, CL = 20 pF with Rs = 7Ω (Rs is used in USB48MHz test only)
1_{Guaranteed 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 14.31818MHz}
ns
V
V
mA
mA
V/ns
ns
ns
%
ps
Notes
1,2
2
1
1
1
1
1
1
1
1
1
0875—05/24/04
16