ICS9250-10 Datasheet, PDF (11/16 Pages) Integrated Circuit Systems – Frequency Timing Generator for Pentium II Systems

ICS9250 - 10
Preliminary Product Preview
Electrical Characteristics - IOAPIC
T_A = 0 - 70C;V_DDL = 2.5 V +/-5%; C_L = 10 - 20 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
Output Impedance
R_DSP4B1 V_O = V_DD*(0.5)
Output Impedance R_DSN4B1 V_O = V_DD*(0.5)
Output High Voltage V_OH4\B I_OH = -5.5 mA
Output Low Voltage V_OL4B I_OL = 9.0 mA
Output High Current
I_OH4B V_{OH@ min} = 1.0 V, V_{OH@ MAX} = 2.375 V
Output Low Current
Rise Time
I_OL4B
t_r4B1
V_{OL@ MIN} = 1.2 V, V_{OL@ MAX=} 0.3V
V_OL = 0.4 V, V_OH = 2.0 V
Fall Time
t_f4B1 V_OH = 2.0 V, V_OL = 0.4 V
Duty Cycle
d_t4B1 V_T = 1.25 V
Jitter
Skew
t_jcyc-cyc
T_sk41
V_T = 1.25 V
1_{Guarenteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
9
30 Ω
9
30 Ω
2
V
0.4 V
-27
-27 mA
27
30 mA
0.4
1.6 ns
0.4
1.6 ns
45
55 %
500 ps
250 ps
Electrical Characteristics - SDRAM
T_A = 0 - 70C; V_DD = V_DDL = 3.3 V +/-5%; C_L = 20 - 30 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output Impedance
Output Impedance
R_DSP31
R_DSN31
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
10
24 Ω
10
24 Ω
Output High Voltage V_OH3 I_OH = -1 mA
2.4
V
Output Low Voltage
V_OL3 I_OL = 1 mA
0.4 V
Output High Current
I_OH3
V_{OH @MIN}= 2.0 V, V_{OH@ MAX}=3.135 V
-54
-46 mA
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
I_OL3
T_r31
T_f31
D_t31
T_sk31
V_{OL@ MIN}= 1.0 V, V_{OL@ MAX}=0.4 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
54
53 mA
0.4
1.6 ns
0.4
1.6 ns
45
55 %
250 ps
Jitter
t_jcyc-cyc V_T = 1.5 V
250 ps
1_{Guarenteed by design, not 100% tested in production.}
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