ICS9248-72 Datasheet, PDF (11/12 Pages) Integrated Circuit Systems – Frequency Timing Generator for PENTIUM II Systems

ICS9248-72
Preliminary Product Preview
Electrical Characteristics - 48M, REF
T_A = 0 - 70C; V_DD = V_DDL = 3.3 V +/-5%; C_L = 10 -20 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output Impedance
Output Impedance
R_DSP51
R_DSN51
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
20
60 Ω
20
60 Ω
Output High Voltage V_OH5 I_OH = 1 mA
2.4
V
Output Low Voltage
V_OL5 I_OL = -1 mA
0.4 V
Output High Current
I_OH5
V_{OH @MIN}=1 V, V_OH@MAX= 3.135 V
-29
-23 mA
Output Low Current
Duty Cycle
Jitter
I_OL5
d_t51
t_jcyc-cyc1
t_jcyc-cyc1
V_OL@MIN=1.95 V, V_OL@MIN=0.4 V
V_T = 1.5 V
V_T = 1.5 V; Fixed Clocks
V_T = 1.5 V; Ref Clocks
29
27 mA
45
55 %
500 ps
1000 ps
Skew
T_sk V_T = 1.5 V,Fixed Clocks
N/A ps
1_{Guarenteed by design, not 100% tested in production.}
Electrical Characteristics - IOAPIC
T_A = 0 - 70C, V_DDL = 2.5 V +/-5%; C_L = 40 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
I_OL2B
t_r2B1
t_f2B1
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
Duty Cycle
Skew
Jitter
d_t2B1
t_sk2B1
t_jcyc-cyc1
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
250 ps
500 ps
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