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ICS953002 데이터시트(PDF) 32 Page - Integrated Circuit Systems

부품명 ICS953002
상세설명  Programmable Timing Control Hub for Next Gen P4 processor
PDF  35 Pages
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제조업체  ICST [Integrated Circuit Systems]
홈페이지  http://www.icst.com
Logo ICST - Integrated Circuit Systems

ICS953002 데이터시트(HTML) 32 Page - Integrated Circuit Systems

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32
Integrated
Circuit
Systems, Inc.
ICS953002
0924—11/18/09
Electrical Characteristics - 48MHz/USB48MHz/24_48MHz
PARAMETER
SYMBOL
CONDITIONS*
MIN
TYP
MAX
UNITS
NOTES
Long Accuracy
ppm
see Tperiod min-max values
-100
100
ppm
1
Clock period
Tperiod
48.00MHz output nominal
20.8313
20.8354
ns
Output Impedance
RDSP
VO = VDD*(0.5)
12
55
Ω
1
Output High Voltage
VOH
IOH = -1 mA
2.4
V
1
Output Low Voltage
VOL
IOL = 1 mA
0.55
V
1
V OH @MIN = 1.0 V
-33
mA
1
VOH@MAX = 3.135 V
-33
mA
1
VOL @ MIN = 1.95 V
30
mA
1
VOL @ MAX = 0.4 V
38
mA
1
Edge Rate
tslewr/f
Rising/Falling edge rate
1
4
V/ns
1
Edge Rate
tslewr/f_USB
USB48 Rising/Falling edge rate
1
2
V/ns
1
Rise Time
tr
VOL = 0.4 V, VOH = 2.4 V
0.5
2
ns
1
Fall Time
tf
VOH = 2.4 V, VOL = 0.4 V
0.5
2
ns
1
Rise Time
tr_USB
VOL = 0.4 V, VOH = 2.4 V
12
ns
1
Fall Time
tf_USB
VOH = 2.4 V, VOL = 0.4 V
12
ns
1
Duty Cycle
dt1
VT = 1.5 V
45
55
%1
Group Skew
tskew
VT = 1.5 V
250
ps
1
Jitter, Cycle to cycle
tjcyc-cyc
VT = 1.5 V
500
ps
1
*TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%, CL = 20 pF with Rs = 7
Ω (Rs is used in USB48MHz test only)
1Guaranteed by design and characterization, not 100% tested in production.
Output High Current
IOH
Output Low Current
IOL
Electrical Characteristics - AGPCLK/3V66
PARAMETER
SYMBOL
CONDITIONS*
MIN
TYP
MAX
UNITS
NOTES
Output Impedance
RDSP
VO = VDD*(0.5)
12
55
Ω
1
Output High Voltage
VOH
IOH = -1 mA
2.4
V
1
Output Low Voltage
VOL
IOL = 1 mA
0.55
V
1
V OH @MIN = 1.0 V
-33
mA
1
VOH@MAX = 3.135 V
-33
mA
1
VOL @ MIN = 1.95 V
30
mA
1
VOL @ MAX = 0.4 V
38
mA
1
Rise Time
tr
VOL = 0.4 V, VOH = 2.4 V
0.5
2
ns
1
Fall Time
tf
VOH = 2.4 V, VOL = 0.4 V
0.5
2
ns
1
Duty Cycle
dt1
VT = 1.5 V
45
55
%1
Group Skew
tskew
VT = 1.5 V
150
ps
1
Jitter, Cycle to cycle
tjcyc-cyc
VT = 1.5 V
250
ps
1
*TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%, CL = 10-30 pF (unless otherwise specified)
1Guaranteed by design and characterization, not 100% tested in production.
Output Low Current
IOL
Output High Current
IOH



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