ICS94203 Datasheet, PDF (12/18 Pages) Integrated Circuit Systems – Programmable System Frequency Generator for PII/III™

ICS94203
Electrical Characteristics - CPU
T_A = 0 - 70C; V_DDL = 2.5 V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance¹
Output Impedance¹
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew window¹
R_DSP2B
R_DSN2B
V_OH2B
V_OL2B
I_OH2B
I_OL2B
t_r2B
t_f2B
d_t2B
t_sk2B
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
I_OH = -1 mA
I_OL = 1 mA
V_{OH @ MIN} = 1.0 V
V_{OH @ MAX} = 2.375 V
V_{OL @ MIN} = 1.2 V
V_{OL @ MAX} = 0.3 V
V_OL = 0.4 V, V_OH = 2.0 V
V_OH = 2.0 V, V_OL = 0.4 V
V_T = 1.25 V
V_T = 1.25 V
Jitter, Cycle-to-cycle¹
t_jcyc-cyc
V_T = 1.25 V, CPU=66 MHz
V_T = 1.25 V, CPU=100 MHz
V_T = 1.25 V, CPU=133 MHz
1_{Guaranteed by design, not 100% tested in production.}
Electrical Characteristics - 3V66
T_A = 0 - 70C; V_DD = 3.3 V +/-5%; C_L = 10-20 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_DSP1B1
R_DSN1B1
V_OH1
V_OL1
I_OH1
I_OL1
t_r1
t_f1
d_t1
t_sk1
t_jcyc-cyc1
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
I_OH = -1 mA
I_OL = 1 mA
V_{OH @ MIN} = 1.0 V
V_{OH @ MAX} = 3.135 V
V_{OL @ MIN} = 1.95 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
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
13.5 20
45
Ω
13.5 27
45
Ω
2
2.5
V
0.18 0.4 V
-51
-27 _mA
-27 -11
27
41
mA
15
30
0.4
1
1.6 ns
0.4
1
1.6 ns
45
49
55
%
40 175 ps
245 250
160 250 ^ps
290 250
MIN TYP MAX UNITS
12 17.4 55
Ω
12 22.4 55
Ω
2.4 3.3
V
0.009 0.55 V
-68
-29 _mA
-27 -14
29
77
mA
24
27
0.5 1.4
2
ns
0.5 1.7
2
ns
45
49
55
%
35 175 ps
292 500 ps
12