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MPC9449FA PDF预览

MPC9449FA

更新时间: 2024-09-23 13:02:19
品牌 Logo 应用领域
艾迪悌 - IDT 时钟
页数 文件大小 规格书
11页 358K
描述
Low Skew Clock Driver, 9449 Series, 15 True Output(s), 0 Inverted Output(s), ECL, PQFP52, LQFP-52

MPC9449FA 技术参数

是否无铅:含铅是否Rohs认证:不符合
生命周期:Obsolete零件包装代码:QFP
包装说明:LQFP, QFP52,.47SQ针数:52
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.18
Is Samacsys:N其他特性:ALSO OPERATES AT 3.3V SUPPLY
系列:9449输入调节:DIFFERENTIAL MUX
JESD-30 代码:S-PQFP-G52JESD-609代码:e0
长度:10 mm逻辑集成电路类型:LOW SKEW CLOCK DRIVER
最大I(ol):0.015 A湿度敏感等级:3
功能数量:1反相输出次数:
端子数量:52实输出次数:15
最高工作温度:85 °C最低工作温度:-40 °C
输出特性:3-STATE封装主体材料:PLASTIC/EPOXY
封装代码:LQFP封装等效代码:QFP52,.47SQ
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE
峰值回流温度(摄氏度):220电源:2.5/3.3 V
传播延迟(tpd):7 ns认证状态:Not Qualified
Same Edge Skew-Max(tskwd):0.3 ns座面最大高度:1.7 mm
子类别:Clock Drivers最大供电电压 (Vsup):2.625 V
最小供电电压 (Vsup):2.375 V标称供电电压 (Vsup):2.5 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:0.65 mm端子位置:QUAD
处于峰值回流温度下的最长时间:30宽度:10 mm
最小 fmax:200 MHzBase Number Matches:1

MPC9449FA 数据手册

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3.3 V/2.5 V 1:15 PECL/LVCMOS Clock  
Fanout Buffer  
MPC9449  
NRND  
DATASHEET  
NRND – Not Recommend for New Designs  
The MPC9449 is a 3.3 V or 2.5 V compatible, 1:15 clock fanout buffer targeted  
for high performance clock tree applications. With output frequencies up to  
200 MHz and output skews less than 200 ps the device meets the needs of the  
most demanding clock applications.  
Features  
15 LVCMOS compatible clock outputs  
3.5 V/2.5 V 1:15  
PECL/LVCMOS  
Two selectable LVCMOS and one differential LVPECL compatible clock  
inputs  
CLOCK FANOUT BUFFER  
Selectable output frequency divider (divide-by-one and divide-by-two)  
Maximum clock frequency of 200 MHz  
Maximum clock skew of 200 ps  
High-impedance output control  
3.3 V or 2.5 V power supply  
Drives up to 30 series terminated clock lines  
Ambient temperature range –40C to +85C  
52-lead LQFP packaging, Pb-free  
AE SUFFIX  
52-LEAD LQFP PACKAGE  
Pb-FREE PACKAGE  
CASE 848D-03  
Supports clock distribution in networking, telecommunication and computing  
applications  
Pin and function compatible to MPC949  
Functional Description  
The MPC9449 is specifically designed to distribute LVCMOS compatible clock  
signals up to a frequency of 200 MHz. The device has 15 identical outputs,  
organized in four output banks. Each output bank provides a retimed or  
frequency divided copy of the input signal with a near zero skew. The output  
buffer supports driving of 50 terminated transmission lines on the incident  
edge: each output is capable of driving either one parallel terminated or two series terminated transmission lines.  
Two selectable LVCMOS compatible clock inputs are available. This feature supports redundant differential clock sources. In  
addition, the MPC9449 accepts one differential PECL clock signal. The DSELx pins choose between division of the input  
reference frequency by one or two. The frequency divider can be set individually for each of the four output banks. Applying the  
OE control will force the outputs into high-impedance mode.  
All inputs have an internal pull-up or pull-down resistor preventing unused and open inputs from floating. The device supports  
a 2.5 V or 3.3 V power supply and an ambient temperature range of –40C to +85C. The MPC9449 is pin and function  
compatible but performance-enhanced to the MPC949. The device is packaged in a 52-lead LQFP package.  
MPC9449 REVISION 6 DECEMBER 21, 2012  
1
©2012 Integrated Device Technology, Inc.  

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