ICS9148-12 Datasheet, PDF (14/18 Pages) Integrated Circuit Systems – Pentium/ProTM System Clock Chip

ICS9148-12
Electrical Characteristics - PCI
TA = 0 - 70C; VDD = VDDL = 3.3 V +/-5%; CL = 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
Output Impedance
Output Impedance
FO1
RDSP
1
1
RDSN11
VO = VDD*(0.5)
VO = VDD*(0.5)
Output High Voltage
VOH1 IOH = -14.5 mA
Output Low Voltage
VOL1 IOL = 9.4 mA
Output High Current
IOH1 VOH = 2.0 V
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter
IOL1
tr11
tf11
dt11
tsk
1
1
tj1s11
tjabs11
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
VT = 1.5 V
1_{Guarenteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
30
-
33 MHz
12
55
Ω
12
55
Ω
2.4 2.7
V
0.2 0.4
V
-47 -22 mA
17.1 47.5
mA
1.5
2
ns
1.1
2
ns
45
51
55
%
100 250 ps
50 150 ps
-250 120 250 ps
Electrical Characteristics - SDRAM
TA = 0 - 70C; VDD = VDDL = 3.3 V +/-5%; CL = 20 - 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
Output Impedance
Output Impedance
FO3
RDSP
1
3
RDSN31
VO = VDD*(0.5)
VO = VDD*(0.5)
Output High Voltage
VOH3 IOH = -24 mA
Output Low Voltage
VOL3 IOL = 23 mA
Output High Current
IOH3 VOH = 2.0 V
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter
IOL3
Tr31
Tf31
Dt31
Tsk31
Tj
1s
1
3
Tjabs31
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
VT = 1.5 V
1_{Guarenteed by design, not 100% tested in production.}
MIN
60
10
10
2.4
41
45
-250
TYP MAX UNITS
66 MHz
24
Ω
24
Ω
2.5
V
0.35 0.4 V
-47 -40 mA
47.5
mA
1.45 1.7 ns
1.2 1.5 ns
51
55
%
80 250 ps
40 150 ps
-
250 ps
14