ICS950602 Datasheet, PDF (11/16 Pages) Integrated Circuit Systems – Programmable Timing Control Hub for PII/III

Integrated
Circuit
Systems, Inc.
ICS950602
Electrical Characteristics - PCICLK
T_A = 0 - 70°C; V_DD=3.3V +/-5%; C_L = 10-30 pF (unless otherwise specified)
PARAMETER SYMBOL
CONDITIONS
MIN
Output Frequency F_O1
Output Impedance R_DSP11 V_O = V_DD*(0.5)
12
Output High Voltage V_OH11 I_OH = -1 mA
2.4
Output Low Voltage V_OL11 I_OL = 1 mA
Output High Current I_OH11 V _OH@MIN = 1.0 V, V _OH@MAX = 3.135 V -33
Output Low Current I_OL11 V_{OL @MIN} = 1.95 V, V_{OL @MAX} = 0.4 V
30
Rise Time
t_r11 V_OL = 0.4 V, V_OH = 2.4 V
0.5
Fall Time
t_f11 V_OH = 2.4 V, V_OL = 0.4 V
0.5
Duty Cycle
d_t11 V_T = 1.5 V
45
Skew
t_sk
1
1
V_T = 1.5 V
Jitter,cycle to cycle tjcyc-cyc1 VT = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
TYP
33.33
2.4
2.25
53
220
300
MAX
55
0.55
-33
38
2.5
2.5
55
500
450
UNITS
MHz
Ω
V
V
mA
mA
ns
ns
%
ps
ps
Electrical Characteristics - 48MHz, 24_48MHz
T_A = 0 - 70°C; V_DD=3.3V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
Output Frequency
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time
Fall Time
Duty Cycle
Jitter, cycle-to-cycle
F_O31
R_DSP31 V_O = V_DD*(0.5)
12
V_OH31 I_OH = -1 mA
2.4
V_OL31 I_OL = 1 mA
I_OH31 V _OH@MIN = 1.0 V, V _OH@MAX = 3.135 V -29
I_OL31 V_{OL @MIN} = 1.95 V, V_{OL @MAX} = 0.4 V
29
t_r3A1 V_OL = 0.4 V, V_OH = 2.4 V
1
t_f3B1 V_OH = 2.4 V, V_OL = 0.4 V
1
d_t3A1 ^VT ^{= 1.5 V}
45
t_jcyc-cyc31 V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
TYP MAX UNITS
48
MHz
55
Ω
V
0.55 V
-23 mA
27 mA
1.1
2
ns
1.25 2
ns
52
55
%
200 350 ps
0469B—12/18/02
11