参数资料
型号: ICS343MLF
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 200 MHz, OTHER CLOCK GENERATOR, PDSO8
封装: 0.150 INCH, LEAD FREE, SOIC-8
文件页数: 1/7页
文件大小: 149K
代理商: ICS343MLF
ICS343
MDS 343 F
1
Revision 090704
Integrated Circuit Systems, Inc.
525 Race Street, San Jose, CA 95126 tel (408) 297-1201 www.icst.com
Field Programmable Triple Output SS VersaClock Synthesizer
Description
The ICS343 is a low cost, triple-output, field program-
mable clock synthesizer. The ICS343 can generate
three output frequencies from 250 kHz to 200 MHz,
using up to three independently configurable PLLs.
The outputs may employ Spread Spectrum techniques
to reduce system electro-magnetic interference (EMI).
Using ICS’ VersaClock software to configure the PLL
and output, the ICS343 contains a One-Time Program-
mable (OTP) ROM to allow field programmability. Using
Phase-Locked Loop (PLL) techniques, the device runs
from a standard fundamental mode, inexpensive crys-
tal, or clock. It can replace multiple crystals and oscilla-
tors, saving board space and cost.
The device also has a power down feature that
tri-states the clock outputs and turns off the PLLs when
the PDTS pin is taken low.
The ICS343 is also available in factory-programmed
custom versions for high-volume applications.
Features
8-pin SOIC package
Highly accurate frequency generation
M/N Multiplier PLL: M = 1...2048, N = 1...1024
Output clock frequencies up to 200 MHz
Spread spectrum capability for lower system EMI
Center or Down Spread up to 4% total
Selectable 32 kHz or 120 kHz modulation
Input crystal frequency from 5 to 27 MHz
Input clock frequency from 2 to 50 MHz
Operating voltage of 3.3 V, using advanced, low
power CMOS process
For one output clock, use the ICS341. For two output
clocks, see the ICS342. For more than three outputs,
see the ICS345 or ICS348.
Available in Pb (lead) free packaging
Block Diagram
Crystal
Oscillator
PDTS (both outputs and PLL)
OTP ROM
with PLL
Divider
Values
VDD
GND
CLK1
CLK3
CLK2
PLL Clock Synthesis,
Spred Spectrum and
Control Circuitry
X2
Crystal or
clock input
External capacitors are
required with a crystal input.
X1/ICLK
相关PDF资料
PDF描述
ICS348RI-XX 200 MHz, OTHER CLOCK GENERATOR, PDSO20
ICS348RPT 200 MHz, OTHER CLOCK GENERATOR, PDSO20
ICS348RIPT 200 MHz, OTHER CLOCK GENERATOR, PDSO20
ICS348RI-XXT 200 MHz, OTHER CLOCK GENERATOR, PDSO20
ICS348RIPT 200 MHz, OTHER CLOCK GENERATOR, PDSO20
相关代理商/技术参数
参数描述
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ICS343MPLF 功能描述:IC VERSACLOCK SYNTHESIZER 8-SOIC RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器,PLL,频率合成器 系列:VersaClock™ 标准包装:2,000 系列:- 类型:PLL 频率合成器 PLL:是 输入:晶体 输出:时钟 电路数:1 比率 - 输入:输出:1:1 差分 - 输入:输出:无/无 频率 - 最大:1GHz 除法器/乘法器:是/无 电源电压:4.5 V ~ 5.5 V 工作温度:-20°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-LSSOP(0.175",4.40mm 宽) 供应商设备封装:16-SSOP 包装:带卷 (TR) 其它名称:NJW1504V-TE1-NDNJW1504V-TE1TR
ICS343MPLFT 功能描述:IC VERSACLOCK SYNTHESIZER 8-SOIC RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器,PLL,频率合成器 系列:VersaClock™ 标准包装:2,000 系列:- 类型:PLL 时钟发生器 PLL:带旁路 输入:LVCMOS,LVPECL 输出:LVCMOS 电路数:1 比率 - 输入:输出:2:11 差分 - 输入:输出:是/无 频率 - 最大:240MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:32-LQFP 供应商设备封装:32-TQFP(7x7) 包装:带卷 (TR)
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ICS345 制造商:ICS 制造商全称:ICS 功能描述:Triple PLL Field Programmable SS VersaClock Synthesizer