MPC9449FA

更新时间： 2024-09-23 13:02:19

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		/
页数	文件大小	规格书
12页	294K
描述
Low Skew Clock Driver, 15 True Output(s), 0 Inverted Output(s), ECL, PQFP52, PLASTIC, LQFP-52

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MPC9449FA 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	PLASTIC, LQFP-52	Reach Compliance Code：	unknown
HTS代码：	8542.39.00.01	风险等级：	5.77
其他特性：	CAN ALSO OPERATE WITH 3.3V SUPPLY	输入调节：	DIFFERENTIAL MUX
JESD-30 代码：	S-PQFP-G52	长度：	10 mm
逻辑集成电路类型：	LOW SKEW CLOCK DRIVER	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
封装形状：	SQUARE	封装形式：	FLATPACK, LOW PROFILE
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
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	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	QUAD
宽度：	10 mm	Base Number Matches：	1

MPC9449FA 数据手册

Freescale Semiconductor, Inc.

SEMICONDUCTOR TECHNICAL DATA

Order Number: MPC9449/D

Rev 1, 08/2002

The MPC9449 is a 3.3V or 2.5V 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.

3.3V/2.5V 1:15

Features

• 15 LVCMOS compatible clock outputs

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

• 3.3V or 2.5V power supply

• Drives up to 30 series terminated clock lines

• Ambient temperature range –40°C to +85°C

• 52 lead LQFP packaging

• Supports clock distribution in networking, telecommunication and

computing applications

FA SUFFIX

52 LEAD LQFP PACKAGE

CASE 848D

• 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 4 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 50Ω 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

2.5V or 3.3V power supply and an ambient temperature range of –40°C to +85°C. The MPC9449 is pin and function compatible

but performance-enhanced to the MPC949. The device is packaged in a 52-lead LQFP package.

For More Information On This Product,

Motorola, Inc. 2002

Go to: www.freescale.com

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与MPC9449FA相关器件

型号	品牌	获取价格	描述	数据表
MPC9449FAR2	IDT	获取价格	Low Skew Clock Driver, 9449 Series, 15 True Output(s), 0 Inverted Output(s), ECL, PQFP52,
MPC9449FAR2	MOTOROLA	获取价格	LOW SKEW CLOCK DRIVER, 15 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP52, PLASTIC, LQFP-52
MPC94551	FREESCALE	获取价格	Low Voltage 1:4 CMOS Clock Buffer
MPC94551D	FREESCALE	获取价格	Low Voltage 1:4 CMOS Clock Buffer
MPC94551DR2	FREESCALE	获取价格	Low Voltage 1:4 CMOS Clock Buffer
MPC94551EF	FREESCALE	获取价格	Low Voltage 1:4 CMOS Clock Buffer
MPC94551EFR2	FREESCALE	获取价格	Low Voltage 1:4 CMOS Clock Buffer
MPC9456	FREESCALE	获取价格	2.5V AND 3.3V LVCMOS CLOCK FANOUT BUFFER
MPC9456AC	NXP	获取价格	9456 SERIES, LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32, 7 X 7
MPC9456ACR2	NXP	获取价格	9456 SERIES, LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32, 7 X 7

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