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參數資料
| 型號： | 52AMI02L |
| 英文描述： | Spread Spectrum Clock Generator |
| 中文描述： | 擴頻時鐘發生器 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 118K |
| 代理商： | 52AMI02L |
ICS7152A
MDS 7152A A
1
Revision 102005
Integrated Circuit Systems, Inc.
●
525 Race Street, San Jose, CA 95126
●
tel (408) 297-1201
●
www.icst.com
Spread Spectrum Clock Generator
Description
The ICS7152A-02 and -11 are clock generators for EMI
(Electromagnetic Interference) reduction (see below for
frequency ranges and multiplier ratios). Spectral peaks
are attenuated by modulating the system clock
frequency. Down or center spread profiles are
selectable. Down spread will not exceed the maximum
frequency of an unspread clock, and center spread
does not change the average operating frequency of
the system
ICS offers many other clocks for computers and
computer peripherals. Consult ICS when you need to
remove crystals and oscillators from your board.
Features
Operating voltage of 3.3 V ±0.3 V
Packaged in 8-pin SOIC
Input frequency range of 16.6 to 134.0 MHz
Output frequency range of 16.6 to 134.0 MHz
Provides a spread spectrum clock output (±0.5%,
±1.5% center spread; -1.0%, -3.0% down spread)
Low cycle-to-cycle jitter - less than 100 ps
Advanced, low-power CMOS process
Industrial and commercial temperature ranges
Available in Pb (lead) free package
Pin compatible with Fujitsu MB88152-102 and -111
Block Diagram
Product Lineup
Product
Input Frequency Range
Modulation Type
Modulation Enable Pin
ICS7152AM-02, ICS7152AMI-02
40.0 MHz to 134.0 MHz
Down spread
Yes
ICS7152AM-11, ICS7152AMI-11
16.6 MHz to 67.0 MHz
Center spread
PLL Clock
Synthesis
and Spread
Spectrum
Circuitry
SEL
FREQ
CKOUT
GND
VDD
Clock Buffer/
Crystal
Ocsillator
XIN
XOUT
External caps required with crystal for
accurate tuning of the clock
XENS
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