Datasheet > MPC9446ACR2

MPC9446ACR2

更新时间： 2024-10-01 20:02:55

品牌	Logo	应用领域
恩智浦 - NXP		驱动输出元件逻辑集成电路
页数	文件大小	规格书
8页	244K
描述
9446 SERIES, LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32, 7 X 7 MM, 1.40 MM HEIGHT, 0.80 MM PITCH, LEAD FREE, MS-026BBA, LQFP-32

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MPC9446ACR2 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
零件包装代码：	QFP	包装说明：	7 X 7 MM, 1.40 MM HEIGHT, 0.80 MM PITCH, LEAD FREE, MS-026BBA, LQFP-32
针数：	32	Reach Compliance Code：	unknown
HTS代码：	8542.39.00.01	风险等级：	5.25
Is Samacsys：	N	其他特性：	ALSO OPERATES AT 3.3V SUPPLY
系列：	9446	输入调节：	MUX
JESD-30 代码：	S-PQFP-G32	JESD-609代码：	e3
长度：	7 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：	32	实输出次数：	10
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：	QFP32,.35SQ,32
封装形状：	SQUARE	封装形式：	FLATPACK, LOW PROFILE
峰值回流温度（摄氏度）：	260	电源：	2.5/3.3 V
传播延迟（tpd）：	5.6 ns	认证状态：	Not Qualified
Same Edge Skew-Max（tskwd）：	0.35 ns	座面最大高度：	1.6 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	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	TIN
端子形式：	GULL WING	端子节距：	0.8 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	40
宽度：	7 mm	Base Number Matches：	1

MPC9446ACR2 数据手册

Freescale Semiconductor, Inc.

SEMICONDUCTOR TECHNICAL DATA

Order this document

by MPC946/D

The MPC946 is a low voltage CMOS, 1:10 clock buffer. The 10 outputs

can be configured into a standard fanout buffer or into 1X and 1/2X

combinations. The ten outputs were designed and optimized to drive 50Ω

series or parallel terminated transmission lines. With output to output

skews of 350ps the MPC946 is an ideal clock distribution chip for

synchronous systems which need a tight level of skew from a large

number of outputs. For a similar product with more outputs consult the

MPC949 data sheet.

LOW VOLTAGE

1:10 CMOS CLOCK DRIVER

• 2 Selectable LVCMOS/LVTTL Clock Inputs

• 350ps Output to Output Skew

• Drives up to 20 Series Terminated Independent Clock Lines

• Maximum Input/Output Frequency of 150MHz

• Tristatable Outputs

• 32–Lead LQFP Packaging

• 3.3V VCC Supply

With an output impedance of approximately 7Ω, in both the HIGH and

the LOW logic states, the output buffers of the MPC946 are ideal for

driving series terminated transmission lines. More specifically each of the

10 MPC946 outputs can drive two series terminated transmission lines.

With this capability, the MPC946 has an effective fanout of 1:20 in

applications using point–to–point distribution schemes.

FA SUFFIX

LQFP PACKAGE

CASE 873A–02

The MPC946 has the capability of generating 1X and 1/2X signals from

a 1X source. The design is fully static, the signals are generated and

retimed inside the chip to ensure minimal skew between the 1X and 1/2X

signals. The device features selectability to allow the user to select the

ratio of 1X outputs to 1/2X outputs.

Two independent LVCMOS/LVTTL compatible clock inputs are available. Designers can take advantage of this feature to

provide redundant clock sources or the addition of a test clock into the system design. With the TCLK_Sel input pulled HIGH the

TCLK1 input is selected.

All of the control inputs are LVCMOS/LVTTL compatible. The Dsel pins choose between 1X and 1/2X outputs. A LOW on the

Dsel pins will select the 1X output. The MR/Tristate input will reset the internal flip flops and tristate the outputs when it is forced

HIGH.

The MPC946 is fully 3.3V compatible. The 32–lead LQFP package was chosen to optimize performance, board space and

cost of the device. The 32–lead LQFP has a 7x7mm body size with a conservative 0.8mm pin spacing.

06/00

For More Information On This Product,

Go to: www.freescale.c^Ro^Em^{V 2}

Motorola, Inc. 2000

12 3 4 5 6 7 8

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与MPC9446ACR2相关器件

型号	品牌	获取价格	描述	数据表
MPC9446FA	MOTOROLA	获取价格	Low Skew Clock Driver, 10 True Output(s), 0 Inverted Output(s), PQFP32, 7 X 7 MM, PLASTIC,
MPC9446FA	IDT	获取价格	Low Skew Clock Driver, 9446 Series, 10 True Output(s), 0 Inverted Output(s), CMOS, PQFP32,
MPC9446FAR2	NXP	获取价格	9446 SERIES, LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32, 7 X 7
MPC9446FAR2	MOTOROLA	获取价格	LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32, 7 X 7 MM, PLASTIC,
MPC9447	MOTOROLA	获取价格	3.3V/2.5V 1:9 LVCMOS Clock Fanout Buffer
MPC9447	IDT	获取价格	3.3V/2.5V 1:9 LVCMOS Clock Fanout Buffer
MPC9447ACR2	IDT	获取价格	9447 SERIES, LOW SKEW CLOCK DRIVER, 9 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32, PLASTI
MPC9447D	MOTOROLA	获取价格	3.3V/2.5V 1:9 LVCMOS Clock Fanout Buffer
MPC9447FA	MOTOROLA	获取价格	LOW SKEW CLOCK DRIVER, 9 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32, PLASTIC, LQFP-32
MPC9447FAR2	IDT	获取价格	Low Skew Clock Driver, 9447 Series, 9 True Output(s), 0 Inverted Output(s), ECL, PQFP32, P

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