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