ICS9248-143 Datasheet, PDF (7/16 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for PENTIUM II/IIITM & K6

ICS9248 - 143
Electrical Characteristics - CPU
TA = 0 - 70C; VDD = 3.3 V +/-5%; CL = 20 pF
PA RA M ETER
SYM BOL
CONDITIONS
Output High Voltage
VOH2A IOH = -20 mA
Output Low Voltage
VOL2A IOL = 12 mA
Output High Current
IO H 2A
VOH = 2.0 V
Output Low Current
Ris e Time¹
Fall Time¹
Duty Cycle¹
Skew window¹
Jitter, Cycle-to-cycle¹
IO L 2 A
t r2 A
t f2 A
dt2A
tsk2A
tjcyc-cyc2A
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 des ign, not 100% tes ted in production.}
Electrical Characteristics - CPU
TA = 0 - 70C; VDDL = 2.5 V +/-5%; CL = 20 pF
PA RA M ETER
SYM BOL
CONDITIONS
Output High Voltage
VOH2B IOH = -12 mA
Output Low Voltage
VOL2B IOL = 12 mA
Output High Current
IOH2B VOH = 1.7 V
Output Low Current
Ris e Time¹
Fall Time¹
IO L 2 B
t r2 B
t f2 B
VOL = 0.7 V
VOL = 0.4 V, VOH = 2.0 V
VOH = 2.0 V, VOL = 0.4 V
Duty Cycle¹
Skew window¹
Jitter, Cycle-to-cycle¹
dt2B
tsk2B
t j cy c-cy c2 B
VT = 1.25 V, < 133 M Hz
VT = 1.25 V, >= 133 M Hz
VT = 1.25 V
VT = 1.25 V
1_{Guaranteed by des ign, not 100% tes ted in production.}
M IN
2.4
22
45
TYP M A X UNITS
2.85
V
0.31 0.4
V
-45 -27 mA
29
mA
1.5
2
ns
1.4
2
ns
52.4 55
%
80
175
ps
200 250 ps
M IN
2
22
45
42
TYP M A X UNITS
V
0.4
V
-21 mA
mA
1.39
1.8
ns
1.47
1.8
ns
47.9 55
%
45.8 52
85
175 ps
183 300 ps
7