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ICS952621 数据表(PDF) 6 Page - Integrated Circuit Systems

部件名 ICS952621
功能描述  Programmable Timing Control Hub??for Next Gen P4??processor
PDF  15 Pages
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制造商  ICST [Integrated Circuit Systems]
网页  http://www.icst.com
标志 ICST - Integrated Circuit Systems

ICS952621 数据表(HTML) 6 Page - Integrated Circuit Systems

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6
Integrated
Circuit
Systems, Inc.
ICS952621
0756A—09/10/04
Electrical Characteristics - 3V66 Mode: 3V66 [3:0]
TA = 0 - 70°C; VDD = 3.3V +/-5%; CL = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Notes
Long Accuracy
ppmsee Tperiod min-max values
-300
300
ppm1,2
66.66MHz output nominal
14.9955
15.0045
ns
2
66.66MHz output spread
14.9955
15.0799
ns
2
Output High Voltage
VOH
IOH = -1 mA
2.4
V
Output Low Voltage
VOL
IOL = 1 mA
0.55
V
V OH = 1.0 V
-33
mA
VOH = 3.135 V
-33
mA
VOL = 1.95 V
30
mA
VOL = 0.4 V
38
mA
Edge Rate
Rising edge rate
1
4
V/ns
1
Edge Rate
Falling edge rate
1
4
V/ns
1
Rise Time
tr1
VOL = 0.4 V, VOH = 2.4 V
0.5
1.78
2ns
1
Fall Time
tf1
VOH = 2.4 V, VOL = 0.4 V
0.5
1.72
2ns
1
Duty Cycle
dt1
VT = 1.5 V
45
49.9
55
%
1
Skew
tsk1
VT = 1.5 V
80
250
ps
1
Jitter
tjcyc-cyc
VT = 1.5 V 3V66
172
250
ps
1
1Guaranteed by design, not 100% tested in production.
Clock period
Tperiod
2 All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that Ref output is at
14.31818MHz
Output High Current
IOH
Output Low Current
IOL
Electrical Characteristics - PCICLK
TA = 0 - 70°C; VDD = 3.3V +/-5%; CL = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Notes
Long Accuracy
ppmsee Tperiod min-max values
-300
300
ppm1,2
33.33MHz output nominal
29.9910
30.0090
ns
2
33.33MHz output spread
29.9910
30.1598
ns
2
Output High Voltage
VOH
IOH = -1 mA
2.4
V
Output Low Voltage
VOL
IOL = 1 mA
0.55
V
V OH = 1.0 V
-33
mA
VOH = 3.135 V
-33
mA
VOL = 1.95 V
30
mA
VOL = 0.4 V
38
mA
Edge Rate
Rising edge rate
1
4
V/ns
1
Edge Rate
Falling edge rate
1
4
V/ns
1
Rise Time
tr1
VOL = 0.4 V, VOH = 2.4 V
0.5
1.78
2ns
1
Fall Time
tf1
VOH = 2.4 V, VOL = 0.4 V
0.5
1.72
2ns
1
Duty Cycle
dt1
VT = 1.5 V
45
51.2
55
%
1
Skew
tsk1
VT = 1.5 V
59
500
ps
1
Jitter
tjcyc-cyc
VT = 1.5 V 3V66
140
250
ps
1
1Guaranteed by design, not 100% tested in production.
Clock period
Tperiod
2 All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that Ref output is at
14.31818MHz
Output High Current
IOH
Output Low Current
IOL



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