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ICS954119 数据表(PDF) 13 Page - Integrated Circuit Systems

部件名 ICS954119
功能描述  Programmable Timing Control Hub??for Next Gen P4??processor
PDF  17 Pages
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制造商  ICST [Integrated Circuit Systems]
网页  http://www.icst.com
标志 ICST - Integrated Circuit Systems

ICS954119 数据表(HTML) 13 Page - Integrated Circuit Systems

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13
Integrated
Circuit
Systems, Inc.
ICS954119
Advance Information
0875—05/24/04
Electrical Characteristics - CPUCLKT/C -- 0.7V Current Mode Differential Pair
PARAMETER
SYMBOL
CONDITIONS*
MIN
TYP
MAX
UNITS
NOTES
Current Source Output
Impedance
Zo
V
O = Vx
3000
Ω
1
Voltage High
VHigh
660
850
mV
1,3
Voltage Low
VLow
-150
150
mV
1,3
Max Voltage
Vovs
1150
mV
1
Min Voltage
Vuds
-300
mV
1
Crossing Voltage (abs)
Vx(abs)
250
550
mV
1
Crossing Voltage (var)
d-Vx
Variation of crossing over all
edges
140
mV
1
Long Accuracy
ppm
see Tperiod min-max values
-300
300
ppm
1,2
400MHz nominal
2.4993
2.5008
ns
2
400MHz spread
2.4993
2.5133
ns
2
333.33MHz nominal
2.9991
3.0009
ns
2
333.33MHz spread
2.9991
3.016
ns
2
266.66MHz nominal
3.7489
3.7511
ns
2
266.66MHz spread
3.7489
3.77
ns
2
200MHz nominal
4.9985
5.0015
ns
2
200MHz spread
4.9985
5.0266
ns
2
166.66MHz nominal
5.9982
6.0018
ns
2
166.66MHz spread
5.9982
6.0320
ns
2
133.33MHz nominal
7.4978
7.5023
ns
2
133.33MHz spread
7.4978
7.5400
ns
2
100.00MHz nominal
9.9970
10.0030
ns
2
100.00MHz spread
9.9970
10.0533
ns
2
400MHz nominal/spread
2.4143
ns
1,2
333.33MHz nominal/spread
2.9141
ns
1,2
266.66MHz nominal/spread
3.6639
ns
1,2
200MHz nominal/spread
4.8735
ns
1,2
166.66MHz nominal/spread
5.8732
ns
1,2
133.33MHz nominal/spread
7.3728
ns
1,2
100.00MHz nominal/spread
9.8720
ns
1,2
Rise Time
t
r
V
OL = 0.175V, VOH = 0.525V
175
700
ps
1
Fall Time
t
f
V
OH = 0.525V VOL = 0.175V
175
700
ps
1
Rise Time Variation
d-t
r
V
OL = 0.175V, VOH = 0.525V
125
ps
1
Fall Time Variation
d-t
f
V
OH = 0.525V VOL = 0.175V
125
ps
1
Duty Cycle
d
t3
Measurement from differential
wavefrom
45
55
%
1
Skew
t
sk3
CPU(1:0), V
T = 50%
100
ps
1
Skew
t
sk4
CPU(1:0) to CPU2_ITP,
V
T = 50%
150
ps
1
Jitter, Cycle to cycle
t
jcyc-cyc
Measurement from differential
wavefrom (CPU2_ITP)
125
ps
1
Jitter, Cycle to cycle
t
jcyc-cyc
Measurement from differential
wavefrom, (CPU(1:0))
85
ps
1
*T
A = 0 - 70°C; VDD = 3.3 V +/-5%; CL =2pF, RS=33.2Ω, RP=49.9Ω, ΙREF = 475Ω
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
3I
REF = VDD/(3xRR). For RR = 475Ω (1%), IREF = 2.32mA. IOH = 6 x IREF and VOH = 0.7V @ ZO=50Ω.
Average period
Tperiod
Absolute min period
T
absmin
Statistical measurement on
single ended signal
Measurement on single ended
signal using absolute value.



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