ICS950227 Datasheet, PDF (14/17 Pages) Integrated Circuit Systems – Programmable Timing Control Hub for P4

Integrated
Circuit
Systems, Inc.
ICS950227
Electrical Characteristics - VCH, 48MHz DOT, 48MHz, USB
T_A = 0 - 70°C; VDD=3.3V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
Output Frequency
F_O
Output Impedance
R_DSP11
V_O = V_DD*(0.5)
20
Output High Voltage
V_OH1
I_OH = -1 mA
2.4
Output Low Voltage
V_OL1
I_OL = 1 mA
V OH@MIN = 1.0 V,
-29
Output High Current
I_OH1
V _OH@MAX = 3.135 V
Output Low Current
I_OL1
V_{OL @MIN} = 1.95 V, V_{OL @MAX} =
29
0.4 V
48DOT Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V
0.5
48DOT Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V
0.5
VCH 48 USB Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V
1
VCH 48 USB Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V
1
48 DOT Duty Cycle
d_t11
V_T = 1.5 V
45
VCH 48 USB Duty Cycle
d_t11
V_T = 1.5 V
45
48 DOT Jitter
t_jcyc-cyc1
V_T = 1.5 V
USB to DOT Skew
t_sk11
V_T = 1.5 V (0 OR 180 degrees)
VCH Jitter
t_jcyc-cyc1
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
TYP
48.008
3.27
-61
-12
0.84
0.92
1.74
1.84
53.2
52.5
151
0.53
187
MAX
60
0.4
-23
27
1
1
2
2
55
55
350
1
350
UNITS
MHz
Ω
V
V
mA
mA
ns
ns
ns
ns
%
%
ps
ns
ps
Electrical Characteristics - REF
T_A = 0 - 70°C; VDD=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
F_O1
R_DSP11
V_OH1
V_OL1
V_O = V_DD*(0.5)
20
I_OH = -1 mA
2.4
I_OL = 1 mA
V OH@MIN = 1.0 V
-33
Output High Current
I_OH1
V _OH@MAX = 3.135 V
VOL @MIN = 1.95 V
30
Output Low Current
I_OL1
V_{OL @MAX} = 0.4 V
Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V
1
Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V
1
Duty Cycle
d_t11
V_T = 1.5 V
45
Jitter
t_jcyc
1
-cyc
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
TYP
14.318
3.28
-110
-20
110
37
1.38
1.31
54.7
276
MAX
60
0.4
-33
38
2
2
55
1000
UNITS
MHz
Ω
V
V
mA
mA
ns
ns
%
ps
0641D—07/03/03
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