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PCS3I2189AG-08TR 参数 Datasheet PDF下载

PCS3I2189AG-08TR图片预览
型号: PCS3I2189AG-08TR
PDF下载: 下载PDF文件 查看货源
内容描述: 扩频时钟发生器 [Spread Spectrum Clock Generator]
分类和应用: 时钟发生器
文件页数/大小: 7 页 / 290 K
品牌: PULSECORE [ PulseCore Semiconductor ]
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May 2008
rev 0.2
Spread Spectrum Clock Generator
Product Description
Features
PCS3P2189A
Generates a 4X low EMI spread spectrum clock of
the input frequency.
Input frequency: 10MHz - 25MHz
Output frequency: 40MHz - 100MHz
Internal loop filter minimizes external components
and board space.
Selectable Centre Spread frequency deviation:
±0.5%, ± 1.0%, ± 1.5%, ± 2.0%
Supply Voltage :3.3V ± 0.3V
Commercial and Industrial temperature range
8-pin TSSOP Package
Low power CMOS process
PCS3P2189A is a versatile spread spectrum frequency
modulator that generates a low EMI 4x clock at the
output. PCS3P2189A offers four
spread
Spread
options
of
Deviation
Selection
selectable centre
PCS3P2189A
all
±0.5%,±1.0%,±1.5%,±2.0%,(Refer
Tabnle).
reduces electromagnetic interference (EMI) at the clock
source, allowing system wide reduction of EMI of
clock
dependent signals. The PCS3P2189A allows
significant system cost savings by reducing the number
of circuit board layers, ferrite beads, and shielding that
are traditionally required to pass EMI regulations.
PCS3P2189A has spread spectrum ON/OFF option.
The PCS3P2189A uses the most efficient and optimized
modulation profile approved by the FCC and is
implemented in a proprietary all digital method.
Application
PCS3P2189A is targetted for LCD panel application
Block Diagram
S0
S1
SSON
VDD
PLL
Modulation
CLKIN / XIN
XOUT
Crystal
Oscillator
Frequency
Divider
Feedback
Divider
Phase
Detector
Loop
Filter
VCO
Output
Divider
ModOUT
VSS
PulseCore Semiconductor Corporation
1715 S. Bascom Ave Suite 200, Campbell, CA 95008
Tel: 408-879-9077
Fax: 408-879-9018
www.pulsecoresemi.com
Notice: The information in this document is subject to change without notice.