ICS9248-95 Datasheet, PDF (13/16 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for PENTIUM/ProTM

ICS9248 - 95
Electrical Characteristics - CPU
T_A = 0 - 70C; V_DD = 3.3 V +/-5%; C_L = 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
Output Impedance
R_DSP2A1
R_DSN2A1
V_O = V_DD*(0.5) Output P
V_O = V_DD*(0.5) Output N
Output High Voltage
V_OH2B I_OH = -12.0 mA
Output Low Voltage
V_OL2B I_OL = 12 mA
Output High Current
I_OH2B V_OH = 1.7 V
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew _(Window)
Jitter
I_OL2B
t_r2A1
t_f2A1
d_t2A1
t_sk2A1
t_c-c1
t_j1s1
t_jabs1
V_OL = 0.7 V
V_OL = 0.4 V, V_OH = 2.4 V
V_OH = 2.4 V, V_OL = 0.4 V
V_T = 1.25 V
V_T = 1.25 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.}
Electrical Characteristics - 24M, 48M, REF 1
T_A = 0 - 70C; V_DD = V_DDL = 3.3 V +/-5%; C_L = 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
R_DSP51 V_O = V_DD*(0.5)
Output Impedance
R_DSN51 V_O = V_DD*(0.5)
Output High Voltage
V_OH5 I_OH = -14 mA
Output Low Voltage
V_OL5 I_OL = 6.0 mA
Output High Current
I_OH5
V_OH = 2.0 V
Output Low Current
I_OL5
V_OL = 0.8 V
Rise Time
t_r51
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time
t_f51
V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle
d_t51
V_T = 1.5 V
Jitter
t_j1s51
V_T = 1.5 V
t_jabs51
V_T = 1.5 V
1_{Guarenteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
10
20
Ω
10
20
Ω
2
2.3
V
0.2 0.4 V
-41 -19 mA
19
37
mA
0.4
2.0 nS
0.4 1.0 2.0 nS
45.0 51.0 55.0 %
120 250 pS
250 300 pS
150 pS
208 250 pS
MIN TYP MAX UNITS
20
60
Ω
20
60
Ω
2.4 2.9
V
0.25 0.4
V
-42 -20 mA
10
18
mA
4.0 nS
4.0 nS
45.0 50.0 55.0 %
100 250 pS
250 800 pS
310D—04/12/05
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