ICS7152A
Spread Spectrum Clock Generator
Pin Assignment
XIN
XOUT
GND
SEL
1
2
3
4
8
7
6
5
8 pin (150 mil) SOIC
XENS
FREQ
VDD
CKOUT
Spread Direction and Percentage
Select Table
SEL
Pin 4
Spread
Direction
Spread
Percentage (%)
Part Number
0
Center
Down
±0.5
-1.0
±1.5
-3.0
ICS7152AM-11
ICS7152AM-02
ICS7152AM-11
ICS7152AM-02
1
Center
Down
Modulation Enable Select Table
XENS
Pin 8
0
1
Modulation
Modulation
No modulation
Frequency Select Table
FREQ
Pin 7
Frequency
0
16.6 to 40 MHz
40 to 80 MHz
ICS7152AM-11
ICS7152AM-02
ICS7152AM-11
ICS7152AM-02
1
33 to 67 MHz
66 to 134 MHz
Pin Descriptions
Pin
Number
Pin
Name
Pin Type
Pin Description
1
2
3
4
5
6
7
8
XIN
XOUT
GND
SEL
CKOUT
VDD
FREQ
XENS
Input
Output
Power
Input
Output
Power
Input
Output
Crystal/clock input pin.
Crystal.
Connect to ground.
Spread modulation select.
Spread modulation select.
Connect to +3.3 V.
Frequency select.
Modulation enable select.
MDS 7152A A
Integrated Circuit Systems, Inc.
●
2
525 Race Street, San Jose, CA 95126
●
Revision 102005
tel (408) 297-1201
●
www.icst.com
ICS [ INTEGRATED CIRCUIT SYSTEMS ]
