参数资料
型号: ICS951413
英文描述: Programmable System Clock Chip for ATI RS400 P4-based Systems
中文描述: 可编程系统芯片的时钟支持ATI RS400小的系统
文件页数: 18/23页
文件大小: 319K
代理商: ICS951413
18
Integrated
Circuit
Systems, Inc.
ICS951413
0929C—03/07/05
Electrical Characteristics - PCICLK/PCICLK_F
T
A
= 0 - 70°C; V
DD
= 3.3 V +/-5%; C
L
= 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS Notes
Long Accuracy
ppm
see Tperiod min-max values
33.33MHz output nominal
33.33MHz output spread
I
OH
= -1 mA
I
OL
= 1 mA
V
OH
@MIN = 1.0 V
V
OH
@ MAX = 3.135 V
V
OL
@ MIN = 1.95 V
V
OL
@ MAX = 0.4 V
Rising edge rate
Falling edge rate
V
OL
= 0.4 V, V
OH
= 2.4 V
V
OH
= 2.4 V, V
OL
= 0.4 V
V
T
= 1.5 V
V
T
= 1.5 V
-300
29.9910
29.9910
2.4
300
ppm
ns
ns
V
V
mA
mA
mA
mA
V/ns
V/ns
ns
ns
%
ps
1,2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
30.0090
30.1598
Output High Voltage
Output Low Voltage
V
OH
V
OL
0.55
-33
-33
30
38
4
4
2
2
55
250
Edge Rate
Edge Rate
Rise Time
Fall Time
Duty Cycle
Jitter
1
1
t
r1
t
f1
d
t1
0.5
0.5
45
t
jcyc-cyc
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
Output Low Current
I
OL
Clock period
T
period
Output High Current
I
OH
Electrical Characteristics - 48MHz, USB
T
A
= 0 - 70°C; V
DD
= 3.3 V +/-5%; C
L
= 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS Notes
Long Accuracy
Clock period
Output High Voltage
Output Low Voltage
ppm
T
period
V
OH
V
OL
see Tperiod min-max values
48.00MHz output nominal
I
OH
= -1 mA
I
OL
= 1 mA
V
OH
@ MIN = 1.0 V
V
OH
@ MAX = 3.135 V
V
OL
@MIN = 1.95 V
V
OL
@ MAX = 0.4 V
Rising edge rate
Falling edge rate
V
OL
= 0.4 V, V
OH
= 2.4 V
V
OH
= 2.4 V, V
OL
= 0.4 V
V
T
= 1.5 V
V
T
= 1.5 V
-100
20.8313
2.4
100
ppm
ns
V
V
mA
mA
mA
mA
V/ns
V/ns
ns
ns
%
ps
1,2
2
1
1
1
1
1
1
1
1
1
1
1
1
20.8354
0.55
-33
-33
30
38
2
2
2
2
55
175
Edge Rate
Edge Rate
Rise Time
Fall Time
Duty Cycle
Jitter, Cycle to cycle
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
1
1
1
1
45
t
r1
t
f1
d
t1
t
jcyc-cyc
Output Low Current
I
OL
Output High Current
I
OH
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