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參數資料
| 型號： | MPC9447AC |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數： | 1/11頁 |
| 文件大小： | 0K |
| 描述： | IC CLOCK BUFFER MUX 2:9 32-LQFP |
| 標準包裝： | 250 |
| 類型： | 扇出緩沖器（分配），多路復用器 |
| 電路數： | 1 |
| 比率 - 輸入:輸出： | 2:9 |
| 差分 - 輸入:輸出： | 無/無 |
| 輸入： | LVCMOS |
| 輸出： | LVCMOS |
| 頻率 - 最大： | 350MHz |
| 電源電壓： | 2.375 V ~ 3.465 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-LQFP |
| 供應商設備封裝： | 32-TQFP（7x7） |
| 包裝： | 托盤 |
| 其它名稱： | MPC9447ACIDT-ND |
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| MPC9447ACR2 | 功能描述:時鐘緩沖器 FSL 1-9 LVCMOS Fanout Buffer RoHS:否 制造商:Texas Instruments 輸出端數量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| MPC9447D | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:3.3V/2.5V 1:9 LVCMOS Clock Fanout Buffer |
| MPC9447FA | 功能描述:時鐘緩沖器 2.5 3.3V 275MHz Clock Generator RoHS:否 制造商:Texas Instruments 輸出端數量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝: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 制造商全稱:Motorola, Inc 功能描述:3.3V/2.5V LVCMOS 1:12 Clock Fanout Buffer |
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