ICS9248-131 Datasheet, PDF (7/16 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Celeron & PII/III™

ICS9248 - 131
Electrical Characteristics - CPU
T_A = 0 - 70C; V_DD=V_DDL=3.3V +/- 5%; C_L = 20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
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_DSP2B1 V_O=V_DD*(0.5)
R_DSN2B1 V_O=V_DD*(0.5)
V_OH2A I_OH = -28 mA
V_OL2A I_OL = 27 mA
I_OH2A V_OH = 2.0 V
I_OL2A
V_OL = 0.8 V
t_r2A1
V_OL = 0.4 V, V_OH = 2.4 V
t_f2A1
V_OH = 2.4 V, V_OL = 0.4 V
d_t2A1
V_T = 1.5 V
t_sk2A1
V_T = 1.5 V
tjcyc-cyc2A¹ VT = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
1_{Edge displacement of a period relative to a 10-clock-cycle rolling average period.}
MIN TYP MAX UNITS
13.5 30
45
Ω
13.5 32
2.5
33
45
Ω
V
0.4 V
-23 mA
mA
1.1
2
ns
1.6
2
ns
50
52
55
%
130 250 ps
130 250 ps
Electrical Characteristics - CPU
T_A = 0 - 70C; V_DD=3.3V, V_DDL=2.5V, both +/- 5%; C_L = 20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
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_DSP2B1 V_O=V_DD*(0.5)
R_DSN2B1 V_O=V_DD*(0.5)
V_OH2B I_OH = -8 mA
V_OL2B I_OL = 12 mA
I_OH2B
V_OH = 1.7 V
I_OL2B
V_OL = 0.7 V
t_r2B1
V_OL = 0.4 V, V_OH = 2.0 V
t_f2B1
V_OH = 2.0 V, V_OL = 0.4 V
d_t2B1
V_T = 1.25 V
t_sk2B1
V_T = 1.25 V
tjcyc-cyc2A¹ VT = 1.5 V
13.5 30
45
Ω
13.5 32
2
19
45
Ω
V
0.4 V
-16 mA
mA
1
1.8 ns
1.3 1.8 ns
45
50
55
%
130 250 ps
130 250 ps
1_{Guaranteed by design, not 100% tested in production.}
1_{Edge displacement of a period relative to a 10-clock-cycle rolling average period.}
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