ICS9148-18 Datasheet, PDF (8/11 Pages) Integrated Circuit Systems – Pentium/ProTM System Clock Chip

ICS9148-18
Electrical Characteristics - CPUCLK
TA = 0 - 70C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%; CL = 10 - 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Output Impedance
RDSP
1
2B
VO = VDD*(0.5)
13.5
Output Impedance
RDSN2B1 VO = VDD*(0.5)
13.5
Output High Voltage VOH2B IOH = -12.0 mA
2
2.3
Output Low Voltage VOL2B IOL = 12 mA
0.2
Output High Current
IOH2B VOH = 1.7 V
-41
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter, Cycle-to-cycle
Jitter, One Sigma
Jitter, Absolute
IOL2B
tr2B1
tf2B1
dt2
1
B
tsk2B1
tjcy
1
c-cyc2B
tj1s2B1
tjab
s2
1
B
VOL = 0.7 V
VOL = 0.4 V, VOH = 2.0 V
VOH = 2.0 V, VOL = 0.4 V
VT = 1.25 V
VT = 1.25 V
VT = 1.25 V
VT = 1.25 V
VT = 1.25 V
19
37
1.2
1
45
50
65
140
30
-250 150
1_{Guaranteed by design, not 100% tested in production.}
MAX UNITS
45
Ω
45
Ω
V
0.4 V
-19 mA
mA
1.6 ns
1.6 ns
55 %
175 ps
250 ps
150 ps
+250 ps
Electrical Characteristics - REF0
TA = 0 - 70C; VDD = VDDL = 3.3 V +/-5%; CL = 10 - 20 pF (unless otherwise stated)
PARAMETER
Output Impedance¹
Output Impedance¹
SYMBOL
CONDITIONS
RDSP5 VO = VDD*(0.5)
RDSN5 VO = VDD*(0.5)
Output High Voltage
VOH5 IOH = -12 mA
Output Low Voltage
VOL5 IOL = 9 mA
Output High Current
IOH5
VOH = 2.0 V
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Jitter, One Sigma¹
Jitter, Absolute¹
IOL5
tr5
tf5
dt5
tj1s5
tjabs5
VOL = 0.8 V
VOL = 0.4 V, VOH = 2.4 V
VOH = 2.4 V, VOL = 0.4 V
VT = 1.5 V
VT = 1.5 V
VT = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
MIN
20
20
2.6
16
45
TYP MAX UNITS
60 Ohm
60 Ohm
3.1
V
0.17 0.4
V
-44 -22 mA
42
mA
0.9
4
ns
0.8
4
ns
53
55
%
1
3
%
3
5
%
8