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参数资料
| 型号： | MPC9447ACR2 |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC CLOCK BUFFER MUX 2:9 32-LQFP |
| 标准包装： | 2,000 |
| 类型： | 扇出缓冲器（分配），多路复用器 |
| 电路数： | 1 |
| 比率 - 输入:输出： | 2:9 |
| 差分 - 输入:输出： | 无/无 |
| 输入： | LVCMOS |
| 输出： | LVCMOS |
| 频率 - 最大： | 350MHz |
| 电源电压： | 2.375 V ~ 3.465 V |
| 工作温度： | -40°C ~ 85°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) |
DATA SHEET
MPC9447 REVISION 8 DECEMBER 21, 2012
1
2012 Integrated Device Technology, Inc.
3.3V, 2.5V, 1:9 LVCMOS Clock Fanout Buffer
MPC9447
NRND
The Freescale Semiconductor, Inc. MPC9447 is a 3.3 V or 2.5 V compatible, 1:9 clock
fanout buffer targeted for high performance clock tree applications. With output frequencies up
to 350 MHz and output skews less than 150 ps, the device meets the needs of most demanding
clock applications.
Features
9 LVCMOS Compatible Clock Outputs
2 Selectable, LVCMOS Compatible Inputs
Maximum Clock Frequency of 350 MHz
Maximum Clock Skew of 150 ps
Synchronous Output Stop in Logic Low State Eliminates Output Runt Pulses
High-Impedance Output Control
3.3 V or 2.5 V Power Supply
Drives up to 18 Series Terminated Clock Lines
Ambient Temperature Range -40
C to +85C
32-Lead LQFP Packaging, Pb-free
Supports Clock Distribution in Networking, Telecommunications, and Computer
Applications
Pin and Function Compatible to MPC947
Functional Description
MPC9447 is specifically designed to distribute LVCMOS compatible clock signals up to a frequency of 350 MHz. Each output provides a
precise copy of the input signal with a near zero skew. The outputs buffers support driving of 50
terminated transmission lines on the incident
edge. Each is capable of driving either one parallel terminated or two series terminated transmission lines.
Two selectable independent LVCMOS compatible clock inputs are available, providing support of redundant clock source systems. The
MPC9447 CLK_STOP control is synchronous to the falling edge of the input clock. It allows the start and stop of the output clock signal only
in a logic low state, and thus, eliminates potential output runt pulses. 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 -40
C to +85C. The MPC9447 is pin and function compatible but performance-enhanced
to the MPC947.
AC SUFFIX
32-LEAD LQFP PACKAGE
Pb-FREE PACKAGE
CASE 873A-03
LOW VOLTAGE
3.3 V/2.5 V LVCMOS 1:9
CLOCK FANOUT BUFFER
NRND – Not Recommend for New Designs
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MPC9447D | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:3.3V/2.5V 1:9 LVCMOS Clock Fanout Buffer |
| MPC9447FA | 功能描述:时钟缓冲器 2.5 3.3V 275MHz Clock Generator RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
| MPC9447FAR2 | 制造商:Integrated Device Technology Inc 功能描述:Clock Driver 2-IN LVCMOS 32-Pin LQFP T/R 制造商:Integrated Device Technology Inc 功能描述:CLOCK DRVR 2-IN LVCMOS 32LQFP - Tape and Reel |
| MPC9448 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:3.3V/2.5V LVCMOS 1:12 Clock Fanout Buffer |
| MPC9448AC | 功能描述:时钟缓冲器 3.3V 900MHz Clock Generator RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
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