參數(shù)資料
型號: ICS9FG1904BK-1LFT
英文描述: Frequency Generator for CPU, PCIe Gen 1, PCIe Gen 2 & FBD
中文描述: 頻率發(fā)生器的CPU,1個PCIe代,第二代的PCIe
文件頁數(shù): 8/22頁
文件大?。?/td> 235K
代理商: ICS9FG1904BK-1LFT
8
Integrated
Circuit
Systems, Inc.
ICS9FG1904B-1
1255B—08/03/07
Electrical Characteristics - DIF 0.7V Current Mode Differential Pair
T
A
= 0 - 70°C; V
DD
= 3.3 V +/-5%; C
L
=2pF, R
S
=33.2
, R
P
=49.9
, Ι
REF
= 475
PARAMETER
SYMBOL
Current Source Output
Impedance
CONDITIONS
MIN
TYP
MAX
UNITS NOTES
Zo
1
V
O
= V
x
3000
1
Voltage High
VHigh
660
850
1,3
Voltage Low
VLow
-150
150
1,3
Max Voltage
Min Voltage
Crossing Voltage (abs)
Vovs
Vuds
1150
1
1
1
-300
250
Vcross(abs)
550
mV
Crossing Voltage (var)
Long Accuracy
d-Vcross
ppm
Variation of crossing over all edges
see Tperiod min-max values
400MHz nominal
400MHz spread
333.33MHz nominal
333.33MHz spread
266.66MHz nominal
266.66MHz spread
200MHz nominal
200MHz spread
166.66MHz nominal
166.66MHz spread
133.33MHz nominal
133.33MHz spread
100.00MHz nominal
100.00MHz spread
400MHz nominal/spread
333.33MHz nominal/spread
266.66MHz nominal/spread
200MHz nominal/spread
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
140
0
2.5008
2.5133
3.0009
3.016
3.7511
3.77
5.0015
5.0266
6.0018
6.0320
7.5023
7.5400
10.0030
10.0533
mV
ppm
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ps
ps
ps
ps
1
0
1,2,7
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1,2
1,2
1,2
1,2
1,2
1,2
1,2
1
1
1
1
2.4993
2.4993
2.9991
2.9991
3.7489
3.7489
4.9985
4.9985
5.9982
5.9982
7.4978
7.4978
9.9970
9.9970
2.4143
2.9141
3.6639
4.8735
5.8732
7.3728
9.8720
175
175
Rise Time
Fall Time
Rise Time Variation
Fall Time Variation
t
r
t
f
700
700
125
125
d-t
r
d-t
f
Duty Cycle
d
t3
Measurement from differential
wavefrom
PLL mode,
from differential wavefrom
Bypass mode as additive jitter
45
55
%
1
t
JCYC-CYC
50
ps
1,4,5
t
JBYP
50
ps
1,4
Notes:
1.Guaranteed by design and characterization, not 100% tested in production.
3.IREF = VDD/(3xRR). For RR = 475
(1%), IREF = 2.32mA. IOH = 6 x IREF and VOH = 0.7V @ ZO=50
.
4.
Measured into fixed 2 pF load cap. Input to output skew is measured at the first output edge following the corresponding input.
5.
Measured from differential cross-point to differential cross-point
6. All Bypass Mode Input-to-Output specs refer to the timing between an input edge and the specific output edge created by it.
7. This device does not introduce any ppm errors to the input clock.
Jitter, Cycle to cycle
2. All Long Term Accuracy and Clock Period specifications are guaranteed assuming that the input frequency meets CK410 accuracy requirements
Absolute min period
T
absmin
Statistical measurement on single
ended signal using oscilloscope
math function.
Measurement on single ended
signal using absolute value.
mV
Average period
Tperiod
mV
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