ICS7151
Spread Spectrum Clock Generator
DC Electrical Characteristics
Unless stated otherwise,
VDD = 3.3 V ±0.3 V,
Ambient Temperature -40 to +85°C
Parameter
Operating Voltage
Supply Current
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Input Capacitance
Symbol
VDD
IDD
V
IH
V
IL
V
OH
V
OL
C
IN
Conditions
No load, at 3.3 V
XIN, S0, S1, ENS
XIN, S0, S1, ENS
CKOUT, I
OH
= -4 mA
CKOUT, I
OL
= 4 mA
XIN, S0, S1, ENS
CKOUT, 8.3 to 66.7
MHz
Min.
3.0
VDDx0.8
0.0
2.0
Typ.
3.3
10
Max.
3.6
20
VDD + 0.3
VDDx0.20
0.4
16
15
10
7
Units
V
mA
V
V
V
V
pF
pF
pF
pF
kΩ
Load Capacitance
C
L
CKOUT, 66.7 to 100
MHz
CKOUT, 100 to 133.4
MHz
Input Pull-up Resistor
R
PU
ENS
100
240
400
AC Electrical Characteristics
Unless stated otherwise,
VDD = 3.3 V ±0.3 V,
Ambient Temperature -40 to +85° C
Parameter
Input Crystal Frequency
Input Clock Frequency
Symbol
f
IN
Conditions
Min.
16.5
16.5
Typ.
Max.
33.4
33.4
33.4
66.7
133.4
16.7
Units
MHz
MHz
MHz
MHz
MHz
MHz
%
%
V/ns
CKOUT, Multiply by 1
(ICS7151-10)
CKOUT, Multiply by 2
(ICS7151-20)
CKOUT, Multiply by 4
(ICS7151-40)
CKOUT, 2-frequency
division (ICS7151-50)
Input Clock Duty Cycle
Output Clock Duty Cycle
Output Slew Rate
t
DCC
XIN, 16.5 to 33.4 MHz
CKOUT, 1.5 V
CKOUT, 0.4 to 2.4 V,
CL = 15 pF
16.5
33.3
66.6
8.3
40
40
0.5
50
Output Frequency
f
OUT
60
60
3.0
MDS 7151 E
Integrated Circuit Systems, Inc.
●
5
525 Race Street, San Jose, CA 95126
●
Revision 012306
tel (408) 297-1201
●
www.icst.com
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