ICS9248-126 Datasheet, PDF (7/12 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Celeron & PII/III™ & K6

ICS9248-126
Electrical Characteristics - CPU
T_A = 0 - 70C; V_DD = VDDL = 3.3 V +/-5%; C_L = 10 - 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
Output Impedance
Output High Voltage
R_DSP2A1
R_DSN2A1
V_OH1a
VO=VDD*(0.5)
VO=VDD*(0.5)
I_OH = -20.0 mA
Output Low Voltage
V_OL1a I_OL = 12 mA
Output High Current
I_OH1a
V_OH = 2 V
Output Low Current
I_OL1a
V_OL = 0.8 V
Rise Time
t_r1a1
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time
t_f1a1
V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle
d_t1a1
V_T = 1.5 V
Skew
Jitter, Cycle-to-cycle
t_sk1a1
t_jcyc-cyc1a1
V_T = 1.5 V
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
MIN
10
10
2
22
0.4
0.4
45
TYP MAX UNITS
36.5 40
Ω
29
40
Ω
2.85
V
0.31 0.4 V
-45 -19 mA
29
mA
1.24
2
ns
1.6
2
ns
52.6 62
%
80.8 175 ps
128 250 ps
Electrical Characteristics - CPU
T_A = 0 - 70C; V_DD = 3.3 V +/-5%, V_DDL = 2.5 V +/-5%; C_L = 10 - 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Output Impedance
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter, Cycle-to-cycle
R_DSP2A1
R_DSN2A1
V_OH1B
V_OL1B
I_OH1B
I_OL1B
t_r1B1
t_f1B1
d_t1a1
t_sk1a1
t_jcyc-cyc1B1
t_jcyc-cyc1B1
VO=VDD*(0.5)
VO=VDD*(0.5)
I_OH = -12.0 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 = 1.5 V
V_T = 1.5 V
V_T = 1.25 V CPU, SDRAM Synchronous
V_T = 1.25 V CPU, SDRAM Asynchronous
10 36.5
10
29
2
2.3
0.31
-39
19
26
1.03
1.26
45 51.7
66.1
170
124.5
MAX
40
40
0.4
-21
1.6
1.6
55
175
250
350
UNITS
Ω
Ω
V
V
mA
mA
ns
ns
%
ps
ps
ps
1_{Guaranteed by design, not 100% tested in production.}
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