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参数资料
| 型号： | MPC9447FA |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 9/11页 |
| 文件大小： | 0K |
| 描述： | IC CLOCK BUFFER MUX 2:9 32-LQFP |
| 标准包装： | 250 |
| 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： | 托盘 |
| 其它名称： | MPC9447FAIDT-ND |
MPC9447 REVISION 8 DECEMBER 21, 2012
7
2012 Integrated Device Technology, Inc.
MPC9447 Data Sheet
3.3V, 2.5V, 1:9 LVCMOS CLOCK FANOUT BUFFER
Since this step is well above the threshold region, it will not cause
any false clock triggering; however, designers may be
uncomfortable with unwanted reflections on the line. To better match
the impedances when driving multiple lines, the situation in Figure 6
should be used. In this case, the series terminating resistors are
reduced such that when the parallel combination is added to the
output buffer impedance, the line impedance is perfectly matched.
Figure 6. Optimized Dual Line Termination
The Following Figures Illustrate the Measurement Reference for the MPC9447 Clock Driver Circuit
Figure 7. CCLK MPC9447 AC Test Reference for VCC = 3.3 V and VCC = 2.5 V
17
MPC9447
Output
Buffer
RS = 16
ZO = 50
RS = 16
ZO = 50
17
+ 16 || 16 = 50 || 50
25
= 25
Pulse
Generator
Z = 50
RT = 50
ZO = 50
RT = 50
ZO = 50
MPC9447 DUT
VTT
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| MPC9448ACR2 | 功能描述:时钟缓冲器 FSL 1-12 LVCMOS Fanout Buffer 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 |
| MPC9448D | 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 |
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