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CDCE421YS

更新时间： 2024-11-18 03:28:55
品牌 Logo 应用领域
德州仪器 - TI 振荡器晶体振荡器时钟发生器微控制器和处理器外围集成电路
页数 文件大小 规格书
30页 1004K
描述
Fully Integrated Wide-Range, Low-Jitter, Crystal-Oscillator Clock Generator

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中文翻译

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CDCE421YS 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：DIE
包装说明：GREEN, DIE针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.81Is Samacsys：N
JESD-30 代码：X-XUUC-N24端子数量：24
最高工作温度：85 °C最低工作温度：-40 °C
最大输出时钟频率：1175 MHz封装主体材料：UNSPECIFIED
封装代码：DIE封装形状：UNSPECIFIED
封装形式：UNCASED CHIP峰值回流温度（摄氏度）：NOT SPECIFIED
主时钟/晶体标称频率：38.33 MHz认证状态：Not Qualified
最大供电电压：3.6 V最小供电电压：3 V
标称供电电压：3.3 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子形式：NO LEAD端子位置：UPPER
处于峰值回流温度下的最长时间：NOT SPECIFIEDuPs/uCs/外围集成电路类型：CLOCK GENERATOR, OTHER
Base Number Matches：1

CDCE421YS 数据手册

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CDCE421  
www.ti.com  
SCAS842–APRIL 2007  
Fully Integrated Wide-Range, Low-Jitter, Crystal-Oscillator Clock Generator  
FEATURES  
•
Differential Low-Voltage Positive  
Emitter-Coupled Logic (LVPECL) Output,  
10.9-MHz to 1.175-GHz Frequency Range  
•
Single 3.3V Supply  
•
High-Performance Clock Generator  
Incorporating Crystal-Oscillator Circuitry With  
Integrated Frequency Synthesizer  
•
Two Fully Integrated Voltage-Controlled  
Oscillators (VCOs) Support Wide Output  
Frequency Range  
•
•
Low-Output Jitter, as Low as 380 fs (rms  
Integrated Between 10 kHz–20 MHz)  
•
•
Fully Integrated Programmable Loop Filter  
Typical Power Consumption 240 mW in LVDS  
Mode and 300 mW in LVPECL Mode  
Low Phase Noise at High Frequency; at 708  
MHz It Is Less Than –109 dBc/Hz at 10-kHz  
and –146 dBc/Hz at 10-MHz Offset From the  
Carrier  
•
•
Chip-Enable Control Pin  
Simple Serial Interface Allows Programming  
After Manufacturing  
•
•
Supports Crystal Frequencies Between  
27.35 MHz to 38.33 MHz  
•
Integrated On-Chip Non-Volatile Memory  
(EEPROM) to Store Settings Without the Need  
to Apply High Voltage to the Device  
Output Frequency Ranges From 10.9 MHz up  
to 766.7 MHz and From 875.2 MHz up to  
1175 MHz  
•
•
•
Die or QFN24 Package  
•
Low-Voltage Differential Signaling (LVDS)  
ESD Protection Exceeds 2 kV HBM  
Industrial Temperature Range –40°C to 85°C  
Output, 100-Ω Differential Off-Chip  
Termination, 10.9-MHz to 400-MHz Frequency  
Range  
APPLICATIONS  
A
A
A
•
Low-Cost, High-Frequency Crystal Oscillator  
CE  
SDATA  
Output Enable/Programming Interface and EEPROM for Configuration Settings  
Loop Filter  
Crystal  
Oscillator  
Input  
CLK  
X-tal  
VCO 1  
VCO 2  
Feedback  
Divider  
NCLK  
B0216-01  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2007, Texas Instruments Incorporated  
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