參數(shù)資料
型號(hào): ICS952623YFT
英文描述: Programmable Timing Control Hub for Next Gen P4 processor
中文描述: 可編程定時(shí)控制中心,為下一代P4處理器
文件頁數(shù): 8/27頁
文件大?。?/td> 329K
代理商: ICS952623YFT
8
Integrated
Circuit
Systems, Inc.
ICS952623
Advance Information
0758—02/08/05
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Notes
Long Accuracy
ppm
see Tperiod min-max
values
48MHz 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
-200
200
ppm
1,2
Clock period
Output High Voltage
Output Low Voltage
T
period
V
OH
V
OL
20.8257
2.4
20.8340
ns
V
V
mA
mA
mA
mA
V/ns
V/ns
2
0.55
-33
-33
30
38
4
4
Edge Rate
Edge Rate
2
2
1
1
Rise Time
t
r1
V
OL
= 0.4 V, V
OH
= 2.4 V
0.5
1
ns
1
Fall Time
t
f1
V
OH
= 2.4 V, V
OL
= 0.4 V
0.5
1
ns
1
Duty Cycle
d
t1
V
T
= 1.5 V
125us period jitter
(8kHz frequency
modulation amplitude)
45
55
%
1
Long Term Jitter
2
ns
1
1
Guaranteed by design, not 100% tested in production.
2
All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that Ref
output is at 14.31818MHz
T
A
= 0 - 70°C; V
DD
= 3.3 V +/-5%; C
L
= 5-10 pF (unless otherwise specified)
Electrical Characteristics - 48MHz DOT Clock
Output High Current
I
OH
Output Low Current
I
OL
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