ICS950910 Datasheet, PDF (17/20 Pages) Integrated Circuit Systems – Programmable Timing Control Hub for P4

Integrated
Circuit
Systems, Inc.
ICS950910
Electrical Characteristics - VCH, 48MHz DOT, 48MHz, USB
T_A = 0 - 70°C; VDD=3.3V +/-5%; C_L = 20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
F_O1
R_DSP11
V_OH1
V_OL1
I_OH1
V_O = V_DD*(0.5)
I_OH = -1 mA
I_OL = 1 mA
V_OH = 1.0 V
V_OH = 3.135 V
Output Low Current
I_OL1
V_OL = 1.95 V
V_OL = 0.4 V
48MHz Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V
48MHz Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V
24MMz Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V
24MHz Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V
48 MHz Duty Cycle
d_t11
V_T = 1.5 V
48MHz Duty Cycle
d_t11
V_T = 1.5 V
48 MHz Jitter
t_jcyc-cyc1
V_T = 1.5 V
24MHz Jitter
t_jcyc-cyc1
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
** USB is 180 degrees phase different to DOT
MIN TYP MAX UNITS
48
MHz
12
48
55
Ω
2.4
V
0.55
V
-29
mA
-23
29
mA
27
0.5 1.25
2
ns
0.5 1.27
2
ns
1
1.26
2
ns
1
1.28
2
ns
45 52.5 55
%
45 51.4 55
%
124 350
ps
111 350
ps
Electrical Characteristics - REF
T_A = 0 - 70°C; VDD=3.3V +/-5%; C_L = 30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
F_O1
R_DSP11
V_OH1
V_OL1
I_OH1
V_O = V_DD*(0.5)
I_OH = -1 mA
I_OL = 1 mA
V_OH = 1.0 V
V_OH = 3.135 V
Output Low Current
I_OL1
V_OL = 1.95 V
V_OL = 0.4 V
Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle
d_t11
V_T = 1.5 V
Jitter
t_jcyc-cyc1
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX
14.32
20
60
2.4
0.4
-29
-23
29
27
1 1.92 4
1 1.92 4
45 54.1 55
245 500
UNITS
MHz
Ω
V
V
mA
mA
ns
ns
%
ps
0735A—03/18/04
17