ICS950220 Datasheet, PDF (15/20 Pages) Integrated Circuit Systems – Programmable Timing Control Hub™ for P4™

Integrated
Circuit
Systems, Inc.
ICS950220
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_O1
V_O = V_DD*(0.5)
Output Impedance
R_DSP11 VO = VDD*(0.5)
12
Output High Voltage
V_OH1
I_OH = -1 mA
2.4
Output Low Voltage
V_OL1
I_OL = 1 mA
Output High Current
I_OH1
V _OH@MIN = 1.0 V, V _OH@MAX = 3.135 V
-29
Output Low Current
I_OL1
V_{OL @MIN} = 1.95 V, V_{OL @MAX} = 0.4 V
29
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
48DOTDuty Cycle
d_t11
V_T = 1.5 V
45
48 USB Duty Cycle
d_t11
V_T = 1.5 V
45
Jitter
t_jcyc-cyc1 VT = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
TYP
48
3.1
0.19
0.77
0.84
1.12
1.42
49.9
54.9
131
MAX
55
0.55
-23
27
1
1
2
2
55
55
350
UNITS
MHz
Ω
V
V
mA
mA
ns
ns
ns
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
F_O1
Output Impedance
R_DSP11 VO = VDD*(0.5)
20
Output High Voltage
V_OH1
I_OH = -1 mA
2.4
Output Low Voltage
V_OL1
I_OL = 1 mA
Output High Current
I_OH1
V _OH@MIN = 1.0 V, V _OH@MAX = 3.135 V
-29
Output Low Current
I_OL1
V_{OL @MIN} = 1.95 V, V_{OL @MAX} = 0.4 V
29
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-cyc1 VT = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
TYP
14.31
1.7
1.76
53.5
305
MAX
60
0.4
-23
27
2
2
55
1000
UNITS
MHz
Ω
V
V
mA
mA
ns
ns
%
ps
0467F—07/28/05
15