
14
Integrated
Circuit
Systems, Inc.
ICS950227
0641D—07/03/03
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
Output Frequency
F
O
Output Impedance
R
DSP1
Output High Voltage
V
OH1
Output Low Voltage
V
OL1
CONDITIONS
MIN
TYP
48.008
MAX
UNITS
MHz
V
V
1
V
O
= V
DD
*(0.5)
I
OH
= -1 mA
I
OL
= 1 mA
V OH@MIN = 1.0 V,
V
OH@MAX
= 3.135 V
V
OL @MIN
= 1.95 V, V
OL @MAX
=
0.4 V
V
OL
= 0.4 V, V
OH
= 2.4 V
V
OH
= 2.4 V, V
OL
= 0.4 V
V
OL
= 0.4 V, V
OH
= 2.4 V
V
OH
= 2.4 V, V
OL
= 0.4 V
V
T
= 1.5 V
V
T
= 1.5 V
V
T
= 1.5 V
V
T
= 1.5 V (0 OR 180 degrees)
V
T
= 1.5 V
20
2.4
60
3.27
0.4
-29
-61
-12
Output High Current
I
OH1
-23
mA
Output Low Current
I
OL1
29
27
mA
48DOT Rise Time
48DOT Fall Time
VCH 48 USB Rise Time
VCH 48 USB Fall Time
48 DOT Duty Cycle
VCH 48 USB Duty Cycle
48 DOT Jitter
USB to DOT Skew
VCH Jitter
1
Guaranteed by design, not 100% tested in production.
t
r11
t
f11
t
r11
t
f11
d
t11
d
t1
0.5
0.5
1
1
45
45
0.84
0.92
1.74
1.84
53.2
52.5
151
0.53
187
1
1
2
2
ns
ns
ns
ns
%
%
ps
ns
ps
55
55
350
1
350
1
t
jcyc-cyc1
t
sk11
t
jcyc-cyc1
Electrical Characteristics - REF
T
A
= 0 - 70°C; VDD=3.3V +/-5%; C
L
= 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
Output Frequency
F
O1
Output Impedance
R
DSP11
Output High Voltage
V
OH1
Output Low Voltage
V
OL1
CONDITIONS
MIN
TYP
14.318
MAX
UNITS
MHz
V
V
V
O
= V
DD
*(0.5)
I
OH
= -1 mA
I
OL
= 1 mA
V OH@MIN = 1.0 V
V
OH@MAX
= 3.135 V
VOL @MIN = 1.95 V
V
OL @MAX
= 0.4 V
V
OL
= 0.4 V, V
OH
= 2.4 V
V
OH
= 2.4 V, V
OL
= 0.4 V
V
T
= 1.5 V
V
T
= 1.5 V
20
2.4
60
3.28
0.4
-33
-110
-20
110
37
1.38
1.31
54.7
276
Output High Current
I
OH1
-33
mA
30
Output Low Current
Rise Time
Fall Time
Duty Cycle
Jitter
1
Guaranteed by design, not 100% tested in production.
I
OL1
t
r11
t
f11
d
t11
38
2
2
55
1000
mA
ns
ns
%
ps
1
1
45
t
jcyc-cyc1