ICS9248-146 Datasheet, PDF (8/16 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Celeron & PII/III™

ICS9248-146
Electrical Characteristics - PCI
T_A = 0 - 70C; V_DD = 3.3 V +/-5%; VDDL = 2.5 V +/-5%; C_L = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Output Impedance
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew window¹
Jitter, Cycle-to-cycle¹
R_DSP1B1
R_DSN1B1
V_OH1
V_OL1
I_OH1
I_OL1
t_r1
t_f1
d_t1
t_sk1
t_jcyc-cyc1
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
I_OH = -1 mA
I_OL = 1 mA
V_{OH @ MIN} = 1.0 V
V_{OL @ MIN} = 1.95 V
V_OL = 0.4 V, V_OH = 2.4 V
V_OH = 2.4 V, V_OL = 0.4 V
V_T = 1.5 V
V_T = 1.5 V
V_T = 1.5 V
12
12
2.4
29
0.5 2.3
0.5 2.3
45 51.2
108
353
1_{Guaranteed by design, not 100% tested in production.}
MAX
55
55
0.55
-29
UNITS
Ω
Ω
V
V
mA
mA
2.5 ns
2.5 ns
55
%
500 ps
500 ps
Electrical Characteristics - SDRAM
T_A = 0 - 70C; V_DD = 3.3 V +/-5%;VDDL = 2.5 V +/-5%; C_L = 20-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Output Impedance
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew window^1(0:11)
Skew window^{1( 0:12)}
Jitter, Cycle-to-cycle¹
R_DSP3B1
R_DSN3B1
V_OH3
V_OL3
I_OH3
I_OL3
t_r3
t_f3
d_t3
t_sk3
t_sk3
t_jcyc-cyc3
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
I_OH = -18 mA
I_OL = 9.4 mA
V_OH = 2.0 V
V_OL = 0.8V
V_OL = 0.4 V, V_OH = 2.4 V
V_OH = 2.4 V, V_OL = 0.4 V
V_T = 1.5 V
V_T = 1.5 V
V_T = 1.5 V
V_T = 1.5 V, CPU=66,100,133 MHz
10
10
2.4
0.8
0.8
45 48.5
192
290
173
1_{Guaranteed by design, not 100% tested in production.}
MAX
24
24
0.4
-46
UNITS
Ω
Ω
V
V
mA
mA
1.6 ns
1.6 ns
55
%
250 ps
500 ps
250 ps
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