ICS951901 Datasheet, PDF (11/19 Pages) Integrated Circuit Systems – Programmable Frequency Generator & Integrated Buffers for Pentium III Processor

ICS951901
Electrical Characteristics - AGP
T_A = 0 - 70°C; V_DD=3.3V +/-5%; C_L = 20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
Output Impedance
R_DSP4B1
R_DSN4B1
V_O=V_DD*(0.5)
V_O=V_DD*(0.5)
Output High Voltage
V_OH4B I_OH = -18 mA
Output Low Voltage
V_OL4B I_OL = 18 mA
Output High Current
I_OH4B V_OH = 2.0 V
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew window1
Jitter Cyc-Cyc
I_OL4B
t_r4B
t_f4B
d_t4B
tsk¹
tjcyc-cyc¹
V_OL = 0.8 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
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
12
55
12
55
2
V
0.4 V
-19 mA
19
mA
0.5 1.5
2
ns
0.5 1.6
2
ns
45 52.3 55 %
55.5 175 ps
239 500 ps
Electrical Characteristics - REF
TA = 0 - 70°C; VDD = 3.3 V +/-5%;VDDL = 2.5 V +/-5%; CL = 20 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output High Voltage V_OH5
I_OH = -12 mA
2.4
V
Output Low Voltage
V_OL5
I_OL = 9 mA
0.4
V
Output High Current
I_OH5
V_OH = 2.0 V
-22 mA
Output Low Current
I_OL5
V_OL = 0.8 V
16
mA
Rise Time¹
t_r5
V_OL = 0.4 V, VOH = 2.4 V
1.8
4
ns
Fall Time¹
t_f5
V_OH = 2.4 V, VOL = 0.4 V
1.9
4
ns
Duty Cycle¹
d_t5
V_T = 50%
45 54.5 55
%
1_{Guaranteed by design, not 100% tested in production.}
0670B—07/15/04
11