ICS9248-128 Datasheet, PDF (7/16 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers

ICS9248-128
Electrical Characteristics - CPUCLK
T_A = 0 - 70º C; V_DD = V_DDL = 3.3 V +/-5%; C_L = 10 - 20 pF (unless otherwise stated).
PARAM ETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output High Voltage
V_OH2B
I_OH = -12 mA
2.4 2.2
V
Output Low Voltage
V_{OL2 B}
I_OL = 12 mA
0.3 0.4
V
Output High Current
I_OH2B
V_OH = 2 V
-16
-19
mA
Output Low Current
I_OL2B
V_OL = 0.8 V
19 22
mA
Rise Time
t_r2
1
B
V_OL = 0.4 V, V_OH = 2.4 V
1.45
2
ns
Fall Time
t_f2
1
B
V_OH = 2.4 V, V_OL = 0.4 V
0.95
2
ns
Duty Cycle
d
1
t2B
V_T = 1.5 V
45
46
55
%
Skew
Jitter, Cycle-to-cycle
t
s
k2
1
B
t_jcy
1
c-cyc2B
V_T = 1.5 V
V_T = 1.5 V @ CPU & SDRAM = 100 MHz
65
175
ps
210 250
ps
1_{Guaranteed by design, not 100% tested in production.}
Electrical Characteristics - CPUCLK
T_A = 0 - 70º C; V_DD = 3.3 V +/-5%, V_DDL = 2.5V +/- 5 %; C_L = 10 - 20 pF (unless otherwise stated).
PARAM ETER
SYMBOL
CONDITIONS
MIN TYP
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter, Cycle-to-cycle
V_OH2B
V_{OL2 B}
I_OH2B
I_OL2B
t_r2
1
B
t_f2
1
B
d
t
1
2B
t_s
1
k2B
t_jcy
1
c-cyc2B
I_OH = -12 mA
I_OL = 12 mA
V_OH = 1.7 V
V_OL = 0.7 V
V_OL = 0.4 V, V_OH = 2.0 V
V_OH = 2.0 V, V_OL = 0.4 V
V_T = 1.25 V
V_T = 1.25 V
V_T = 1.25 V @ CPU &
SDRAM = 100 MHz
2
2.2
0.25
-15
19
23
1.4
1.2
45
48
50
210
1_{Guaranteed by design, not 100% tested in production.}
MAX
0.4
-19
1.6
1.6
55
175
UNITS
V
V
mA
mA
ns
ns
%
ps
250
ps
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