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271G-XXT PDF预览

271G-XXT

更新时间: 2024-01-05 11:23:51
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
11页 236K
描述
Clock Generator, 200MHz, CMOS, PDSO20, 0.173 INCH, TSSOP-20

271G-XXT 技术参数

生命周期:Obsolete零件包装代码:TSSOP
包装说明:0.173 INCH, TSSOP-20针数:20
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.56
JESD-30 代码:R-PDSO-G20JESD-609代码:e3
长度:6.5 mm端子数量:20
最高工作温度:70 °C最低工作温度:
最大输出时钟频率:200 MHz封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH主时钟/晶体标称频率:27 MHz
认证状态:Not Qualified座面最大高度:1.2 mm
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:COMMERCIAL
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

271G-XXT 数据手册

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DATASHEET  
TRIPLE PLL FIELD PROGRAMMABLE VCXO CLOCK SYNTHESIZER  
ICS271  
Description  
Features  
The ICS271 field programmable VCXO clock synthesizer  
generates up to six high-quality, high-frequency clock  
outputs including multiple reference clocks from a  
low-frequency crystal input. It is designed to replace  
crystals and crystal oscillators in most electronic systems.  
Packaged as 20-pin TSSOP  
Eight addressable registers  
Replaces multiple crystals and oscillators  
Output frequencies up to 200 MHz at 3.3 V  
Input crystal frequency of 5 to 27 MHz  
Up to six reference outputs  
TM  
Using IDT’s VersaClock software to configure PLLs and  
outputs, the ICS271 contains a One-Time Programmable  
(OTP) ROM for field programmability. Programming  
features include VCXO, eight selectable configuration  
registers and up to two sets of three low-skew outputs.  
Separate 1.8 to 3.3 V VDDO output level controls for  
each bank of 3 outputs  
Up to two sets of three low-skew outputs  
Operating voltages of 3.3 V  
Controllable output drive levels  
Advanced, low-power CMOS process  
Available in Pb (lead) free packaging  
Each of the two output groups are powered by a separate  
VDDO voltage. VDDO may vary from 1.8 V to VDD.  
Using Phase-Locked Loop (PLL) techniques, the device  
runs from a standard fundamental mode, inexpensive  
crystal, or clock. It can replace VCXOs, multiple crystals  
and oscillators, saving board space and cost.  
NOTE: EOL for non-green parts to occur on  
5/13/10 per PDN U-09-01  
The ICS271 is also available in factory programmed custom  
versions for high-volume applications.  
Block Diagram  
3
VDDO1  
VDD  
3
OTP  
PLL1  
S2:S0  
CLK1  
CLK2  
CLK3  
CLK4  
CLK5  
CLK6  
ROM  
with  
PLL  
Divide  
Logic  
and  
Output  
Enable  
Control  
Values  
PLL2  
PLL3  
VIN  
X1  
X2  
Voltage  
Controlled  
Crystal  
Crystal  
Oscillator  
GND  
2
VDDO2  
External capacitors  
are required.  
PDTS  
IDT™ / ICS™ TRIPLE PLL FIELD PROGRAMMABLE VCXO CLOCK SYNTHESIZER 1  
ICS271  
REV D 081809  

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