ICS950908 Datasheet, PDF (17/22 Pages) Integrated Circuit Systems – Programmable Timing Control Hub™ for P4™

Integrated
Circuit
Systems, Inc.
ICS950908
Preliminary Product Preview
Electrical Characteristics - 48MHz
T_A = 0 - 70°C; V_DD = 3.3 V +/-5%; C_L = 10-30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
F_O1
R_DSN11
V_OH1
V_OL1
I_OH1
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
I_OH = -1 mA
I_OL = 1 mA
VOH@ MIN = 1.0 V, VOH@ MAX = 3.135 V
Output Low Current
48DOT Rise Time
48DOT Fall Time
VCH 48 USB
Rise Time
I_OL1
VOL@ MIN = 1.95 V, VOL@ MAX= 0.4
t_r11
V_OL = 0.4 V, V_OH = 2.4 V
t_f11
V_OH = 2.4 V, V_OL = 0.4 V
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
VCH 48 USB
Fall Time
tf¹
V_OH = 2.4 V, V_OL = 0.4 V
48 DOT to 48 USB
Skew
tskew¹ VT=1.5V
Duty Cycle
Jitter
d_t11
t_jcyc-cyc1
V_T = 1.5 V
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
48
MHz
12
55
Ω
2.4
V
0.55 V
-29
-23 mA
29
27 mA
0.5
1
ns
0.5
1
ns
1
2
ns
1
2
ns
1
ns
45
55
%
350 ps
Electrical Characteristics - REF
T_A = 0 - 70°C; V_DD = 3.3 V +/-5%; C_L =10-20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
F_O1
Output Impedance
R_DSP11
V_O = V_DD*(0.5)
Output High Voltage
V_OH1
I_OH = -1 mA
Output Low Voltage
V_OL1
I_OL = 1 mA
Output High Current
I_OH1
VOH@ MIN = 1.0 V, VOH@ MAX = 3.135 V
Output Low Current
Rise Time
I_OL1
VOL@ MIN = 1.95 V, VOL@ MAX= 0.4
t_r11
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time
Duty Cycle
t_f11
V_OH = 2.4 V, V_OL = 0.4 V
d_t11
V_T = 1.5 V
Jitter
t_jcyc-cyc
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
MHz
20
60
Ω
2.4
V
0.4
V
-29
-23 mA
29
27 mA
1
4
ns
1
4
ns
45
55
%
500 ps
0653A—07/26/04
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