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281GI-XX PDF预览

281GI-XX

更新时间: 2024-01-26 02:37:59
品牌 Logo 应用领域
艾迪悌 - IDT 时钟光电二极管外围集成电路晶体
页数 文件大小 规格书
10页 223K
描述
Clock Generator, 200MHz, CMOS, PDSO16, 0.173 INCH, TSSOP-16

281GI-XX 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:0.173 INCH, TSSOP-16
针数:16Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.43JESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:5 mm
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C最大输出时钟频率:200 MHz
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH电源:3.3 V
主时钟/晶体标称频率:166 MHz认证状态:Not Qualified
座面最大高度:1.2 mm子类别:Clock Generators
最大供电电压:3.465 V最小供电电压:3.135 V
标称供电电压:3.3 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:MATTE TIN端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:4.4 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHER
Base Number Matches:1

281GI-XX 数据手册

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DATASHEET  
TRIPLE PLL FIELD PROG. SPREAD SPECTRUM CLOCK SYNTHESIZER ICS281  
Description  
Features  
The ICS281 field programmable spread spectrum clock  
synthesizer generates up to three high-quality,  
high-frequency clock outputs including multiple reference  
clocks from a low-frequency crystal input. It is designed to  
replace crystals, crystal oscillators and stand alone spread  
spectrum devices in most electronic systems.  
Packaged as 16-pin TSSOP  
Eight addressable registers  
Replaces multiple crystals and oscillators  
Output frequencies up to 200 MHz at 3.3 V  
Configurable Spread Spectrum Modulation  
Input crystal frequency of 5 to 27 MHz  
Input clock frequency of 3 to 166 MHz  
Up to three reference outputs  
Operating voltages of 3.3 V  
VDDO output control from 1.8 V to 3.3 V  
Controllable output drive levels  
Advanced, low-power CMOS process  
Available in Pb (lead) free packaging  
NOTE: EOL for non-green parts to occur on 5/13/10  
per PDN U-09-01  
TM  
Using IDT’s VersaClock software to configure PLLs and  
outputs, the ICS281 contains a One-Time Programmable  
(OTP) ROM for field programmability. Programming  
features include input/output frequencies, spread spectrum  
amount and eight selectable configuration registers.  
Using Phase-Locked Loop (PLL) techniques, the device  
runs from a standard fundamental mode, inexpensive  
crystal, or clock. It can replace multiple crystals and  
oscillators, saving board space and cost.  
The ICS281 is also available in factory programmed custom  
versions for high-volume applications.  
Block Diagram  
3
VDDO  
VDD  
PLL1 with  
Spread  
Spectrum  
3
S2:S0  
OTP  
ROM  
CLK1  
CLK2  
CLK3  
with PLL  
Values  
Divide  
Logic  
and  
Output  
Enable  
Control  
PLL2  
PLL3  
Crystal or  
clock input  
X1/ICLK  
Crystal  
Oscillator  
X2  
3
GND  
External capacitors  
are required with a crystal input.  
PDTS  
IDT™ / ICS™ TRIPLE PLL FIELD PROG. SPREAD SPECTRUM CLOCK SYNTHESIZER 1  
ICS281  
REV E 083109  

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