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ICS950905 Datasheet, PDF (12/18 Pages) Integrated Circuit Systems – Programmable Timing Control Hub™ for P4™
◁
Integrated
Circuit
Systems, Inc.
ICS950905
Advance Information
Electrical Characteristics - CPUCLKC/T
TA = 0 - 70º C; VDD = 3.3 V +/-5%; (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Current Source Output
Impedance
ZO
VO = VX
Output High Voltage
Output High Current
Rise Time1
Differential Crossover
Voltage1
Duty Cycle1
Skew1, CPU to CPU
Jitter, Cycle-to-cycle1
VOH
IOH
tr
VX
dt
tsk
tjcyc-cyc
VR = 475W +1%; IREF = 2.32mA; IOH = 6*IREF
VOL = 20%, VOH = 80%
Note 3
VT = 50%
VT = 50%
VT = VX
Notes:
1 - Guaranteed by design, not 100% tested in production.
MIN
3000
175
45
45
TYP
0.71
-13.92
50
51
MAX
1.2
700
55
55
150
200
UNITS
Ω
V
mA
ps
%
%
ps
ps
Electrical Characteristics - CPUCLKTC_CS
TA = 0 - 70º C; VDD = 2.5 V +/-5%; CL = 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output High Voltage VOH2B IOH = -12.0 mA
Output Low Voltage
VOL2B IOL = 12 mA
Output High Current
IOH2B VOH = 1.7 V
Output Low Current
Rise Time
IOL2B
tr2B1
VOL = 0.7 V
VOL = 0.4 V, VOH = 2.0 V
Differential Crossover
Voltage1
Duty Cycle
Skew
Jitter, Cycle-to-cycle
Jitter, One Sigma
Jitter, Absolute
VX
dt2B1
tsk2B1
tjcyc-cyc2B1
tj1s2B1
tjabs2B1
Note 3
VT = 1.25 V
VT = 1.25 V
VT = 1.25 V
VT = 1.25 V
VT = 1.25 V
1Guaranteed by design, not 100% tested in production.
MIN
2
19
45
45
-250
TYP
50
MAX
0.4
-19
1.6
UNITS
V
V
mA
mA
ns
55
%
55 %
175 ps
250 ps
150 ps
+250 ps
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