
9
Integrated
Circuit
Systems, Inc.
ICS954201
0819H—02/17/06
Electrical Characteristics - PCICLK/PCICLK_F
TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS Notes
Long Accuracy
ppm
see Tperiod min-max values
-300
35
300
ppm
1,2
33.33MHz output non-spread
29.9989
30.0090
ns
2
33.33MHz output spread
30.0752
30.1598
ns
2
33.33MHz output non-spread
30.5090
ns
1,2
33.33MHz output spread
30.6598
ns
1,2
Output High VoltageVOH
IOH = -1 mA
2.4
3.25
V
1
Output Low VoltageVOL
IOL = 1 mA
0.05
0.55
V
1
V OH @MIN = 1.0 V
-33
-62
mA
1
VOH@ MAX = 3.135 V
-10
-33
mA
1
VOL @ MIN = 1.95 V
30
61
mA
1
VOL @ MAX = 0.4 V
23
38
mA
1
Edge Rate
Rising edge rate
1
1.60
4
V/ns
1
Edge Rate
Falling edge rate
1
1.71
4
V/ns
1
Rise Time
tr1
VOL = 0.4 V, VOH = 2.4 V
0.5
1.25
2
ns
1
Fall Time
tf1
VOH = 2.4 V, VOL = 0.4 V
0.5
1.17
2
ns
1
Duty Cycle
dt1
VT = 1.5 V
45
50
55
%
1
Skew
tsk1
VT = 1.5 V
81
500
ps
1
Jitter
tjcyc-cyc
VT = 1.5 V
250
500
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 14.31818MHz
Output Low Current
IOL
Clock period
Tperiod
Output High Current
IOH
29.9910
Absolute min/max period
Tabs
29.4910
Electrical Characteristics - 48MHz, USB
TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS Notes
Long Accuracy
ppm
see Tperiod min-max values
-100
0.25
100
ppm
1,2
Clock period
Tperiod
48.00000 MHz output
20.8313
20.8333
20.8354
ns
2
Absolute min/max period
Tabs
48.00000 MHz output
20.4813
21.1854
ns
1,2
Output High Voltage
VOH
IOH = -1 mA
2.4
3.25
V
1
Output Low Voltage
VOL
IOL = 1 mA
0.05
0.55
V
1
VOH @ MIN = 1.0 V
-29
-53
mA
1
VOH@ MAX = 3.135 V
-6.2
-23
mA
1
VOL @MIN = 1.95 V
29
61
mA
1
VOL @ MAX = 0.4 V
23
27
mA
1
Edge Rate
Rising edge rate
1
1.53
2
V/ns
1
Edge Rate
Falling edge rate
1
1.68
2
V/ns
1
Rise Time
tr1
VOL = 0.4 V, VOH = 2.4 V
1
1.31
2
ns
1
Fall Time
tf1
VOH = 2.4 V, VOL = 0.4 V
1
1.19
2
ns
1
Duty Cycle
dt1
VT = 1.5 V
45
52
55
%
1
Jitter, Cycle to cycle
tjcyc-cyc
VT = 1.5 V
139
350
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 14.31818MHz
Output Low Current
IOL
Output High Current
IOH