ICS9248-66 Datasheet, PDF (8/11 Pages) Integrated Circuit Systems – Frequency Timing Generator for PENTIUM II Systems

ICS9248-66
Advance Information
Electrical Characteristics - CPU
T_A = 0 - 70C, V_DDL = 2.5 V +/-5%; C_L = 10 - 20 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
Output Impedance
R_DSP2B1 V_O = V_DD*(0.5)
Output High Voltage V_OH2B I_OH = -1 mA
Output Low Voltage V_OL2B I_OL = 1 mA
Output High Current
I_OH2B V_{OH @MIN}= 1.0V , V_{OH@ MAX}= 2.375V
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter
I_OL2B
t_r2B1
t_f2B1
d_t2B1
t_sk2B1
t_jcyc-cyc1
V_{OL @MIN}= 1.2V , V_{OL@ MAX}= 0.3V
V_OL = 0.4 V, V_OH = 2.0 V
V_OH = 0.4 V, V_OL = 2.0 V
V_T = 1.25 V
V_T = 1.25 V
V_T = 1.25 V
1_{Guarenteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
13.5
45
Ω
2
V
0.4 V
-27
-27 mA
27
30 mA
0.4
1.6 ns
0.4
1.6 ns
45
55 ns
175 ps
250 ps
Electrical Characteristics - CPU/2
T_A = 0 - 70C, V_DDL = 2.5 V +/-5%; C_L = 10 - 20 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
Output Impedance
R_DSP2B1 V_O = V_DD*(0.5)
Output High Voltage V_OH2B I_OH = -1 mA
Output Low Voltage V_OL2B I_OL = 1 mA
Output High Current
I_OH2B V_{OH @MIN}= 1.0V , V_{OH@ MAX}= 2.375V
Output Low Current
Rise Time
Fall Time
Duty Cycle
Jitter
I_OL2B
t_r2B1
t_f2B1
d_t2B1
t_jcyc-cyc1
V_{OL @MIN}= 1.2V , V_{OL@ MAX}= 0.3V
V_OL = 0.4 V, V_OH = 2.0 V
V_OH = 0.4 V, V_OL = 2.0 V
V_T = 1.25 V
V_T = 1.25 V
1_{Guarenteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
13.5
45
Ω
2
V
0.4 V
-27
-27 mA
27
30 mA
0.4
1.6 ns
0.4
1.6 ns
45
55 ns
250 ps
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