ICS954101 Datasheet, PDF (11/16 Pages) Integrated Circuit Systems – Programmable Timing Control Hub for Desktop P4 Systems

Integrated
Circuit
Systems, Inc.
ICS954101
Electrical Characteristics - REF-14.318MHz
T_A = 0 - 70°C; V_DD = 3.3 V +/-5%; C_L = 20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
Long Accuracy
ppm
see Tperiod min-max values
-300
Clock period
T_period
14.318MHz output nominal 69.82700
Absolute Min/Max Clock
period
T_abs
Nominal
68.82033
Output High Voltage
V_OH
I_OH = -1 mA
2.4
Output Low Voltage
V_OL
I_OL = 1 mA
Output High Current
I_OH
V _OH @MIN = 1.0 V,
OH^{@MAX = 3.135 V}
V
-29
Output Low Current
I_OL
V_OL @MIN = 1.95 V,
@MAX = 0.4 V
V_OL
29
Rise Time
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
1
Fall Time
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
1
Skew
t_sk1
V_T = 1.5 V
Duty Cycle
d_t1
V_T = 1.5 V
45
Jitter
t_jcyc-cyc
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
300
69.85500
70.86224
0.4
-23
27
2
2
500
55
1000
UNITS
ppm
ns
ns
V
V
mA
mA
ns
ns
ps
%
ps
NOTES
1
1
2
1
1
1
1
1
1
1
1
1
0815D—06/21/04
11