ICS7152
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
SEL Modulation Rate Setting Table
SEL
Pin 4
(note1)
Spread
Direction
Spread
Percentage (%)
Part Number
0
Center
Down
±0.5
-1.0
±1.5
-3.0
1
Center
Down
ICS7152M-11,
ICS7152M-12
ICS7152M-01,
ICS7152M-02
ICS7152M-11,
ICS7152M-12
ICS7152M-01,
ICS7152M-02
Modulation Enable Setting Table
XENS
Pin 8
0
1
Spread Spectrum
ON
OFF
Frequency Setting Table
FREQ
Pin 7
Frequency
0
16.6 to 40 MHz
40 to 80 MHz
1
33 to 67 MHz
66 to 134 MHz
ICS7152M-01,
ICS7152M-11
ICS7152M-02,
ICS7152M-12
ICS7152M-01,
ICS7152M-11
ICS7152M-02,
ICS7152M-12
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 resonator connection pin/clock input pin.
Crystal resonator connection pin.
Connect to ground.
Modulation rate setting pin.
Modulated clock output pin.
Connect to +3.3 V.
Frequency setting pin.
Modulation enable setting pin.
MDS 7152 E
Integrated Circuit Systems, Inc.
●
2
525 Race Street, San Jose, CA 95126
●
Revision 012306
tel (408) 297-1201
●
www.icst.com
ICS [ INTEGRATED CIRCUIT SYSTEMS ]
