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| 型號： | ICS950227 |
| 英文描述： | Programmable Timing Control Hub for P4 |
| 中文描述： | 可編程定時控制中心，為小 |
| 文件頁數(shù)： | 12/17頁 |
| 文件大?。?/td> | 128K |
| 代理商： | ICS950227 |
12
Integrated
Circuit
Systems, Inc.
ICS950227
0641D—07/03/03
Electrical Characteristics - CPU 0.7V Current Mode Differential Pair
T
A
= 0 - 70°C; V
DD
= 3.3 V +/-5%; C
L
=2pF
PARAMETER
SYMBOL
Current Source Output
Impedance
CONDITIONS
MIN
TYP
MAX
UNITS
NOTES
Zo
1
V
O
= V
x
3000
1
Voltage High
VHigh
660
770
850
1
Voltage Low
VLow
-150
5
150
1
Max Voltage
Min Voltage
Crossing Voltage (abs)
Vovs
Vuds
756
-7
350
1150
1
1
1
-300
250
Vcross(abs)
550
mV
Crossing Voltage (var)
d-Vcross
Variation of crossing over all
edges
see Tperiod min-max values
200MHz nominal
200MHz spread
166.66MHz nominal
166.66MHz spread
133.33MHz nominal
133.33MHz spread
100.00MHz nominal
100.00MHz spread
200MHz nominal
166.66MHz nominal/spread
133.33MHz nominal/spread
100.00MHz nominal/spread
V
OL
= 0.175V, V
OH
= 0.525V
V
OH
= 0.525V V
OL
= 0.175V
12
140
mV
1
Long Accuracy
ppm
-300
4.9985
4.9985
5.9982
5.9982
7.4978
7.4978
9.9970
9.9970
4.8735
5.8732
7.3728
9.8720
175
175
300
5.0015
5.0266
6.0018
6.0320
7.5023
5.4000
10.0030
10.0533
ppm
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ps
ps
ps
ps
1,2
2
2
2
2
2
2
2
2
1,2
1,2
1,2
1,2
1
1
1
1
Rise Time
Fall Time
Rise Time Variation
Fall Time Variation
t
r
t
f
332
344
30
30
700
700
125
125
d-t
r
d-t
f
Duty Cycle
d
t3
Measurement from differential
wavefrom
V
T
= 50%
Measurement from differential
wavefrom
45
49
55
%
1
Skew
t
sk3
8
100
ps
1
Jitter, Cycle to cycle
t
jcyc-cyc
60
150
ps
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
Statistical measurement on single
ended signal using oscilloscope
math function.
Measurement on single ended
signal using absolute value.
mV
mV
Tperiod
Average period
Absolute min period
T
absmin
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