MPC942P

更新时间： 2024-11-21 04:14:47

品牌	Logo	应用领域
艾迪悌 - IDT		时钟
页数	文件大小	规格书
6页	374K
描述
Low Voltage 1:18 Clock Distribution Chip

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MPC942P 数据手册

Freescale Semiconductor, Inc.

SEMICONDUCTOR TECHNICAL DATA

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DATA SHEET

MPC942P

Low Voltage 1:18 Clock Distribution

Chip

The MPC942 is a 1:18 low voltage clock distribution chip with 2.5V or

3.3V LVCMOS output capabilities. The device is offered in two versions;

the MPC942C has an LVCMOS input clock while the MPC942P has a

LVPECL input clock. The 18 outputs are 2.5V or 3.3V LVCMOS

compatible and feature the drive strength to drive 50Ω series or parallel

terminated transmission lines. With output–to–output skews of 200ps, the

MPC942 is ideal as a clock distribution chip for the most demanding of

synchronous systems. The 2.5V outputs also make the device ideal for

supplying clocks for a high performance Pentium II microprocessor

based design.

LOW VOLTAGE

1:18 CLOCK

DISTRIBUTION CHIP

• LVPECL Clock Input

• 2.5V LVCMOS Outputs for Pentium II Microprocessor Support

• 200ps Maximum Targeted Output–to–Output Skew

• Maximum Output Frequency of 250MHz @ 3.3 V

• 32–Lead LQFP Packaging

• Single 3.3V or 2.5V Supply

FA SUFFIX

32–LEAD LQFP PACKAGE

CASE 873A–02

With a low output impedance (≈12Ω), in both the HIGH and LOW logic

states, the output buffers of the MPC942 are ideal for driving series

terminated transmission lines. With an output impedance of 12Ω the

MPC942 can drive two series terminated transmission lines from each

output. This capability gives the MPC942 an effective fanout of 1:36. The

MPC942 provides enough copies of low skew clocks for most high

performance synchronous systems.

The differential LVPECL inputs of the MPC942P allow the device to interface directly with a LVPECL fanout buffer like the

MC100EP111 to build very wide clock fanout trees or to couple to a high frequency clock source. The OE pins will place the

outputs into a high impedance state. The OE pin has an internal pullup resistor.

The MPC942 is a single supply device. The V

power pins require either 2.5V or 3.3V. 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.

Pentium II is a trademark of Intel Corporation.

02/01

IDT™ Low Voltage 1:18 Clock Distribution Chip

MPC942P

For More Information On This Product,

Go to: www.freescale.c^Ro^Em^{V 1}

Motorola, Inc. 2001

Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc

12 3 4 5 6

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与MPC942P相关器件

型号	品牌	获取价格	描述	数据表
MPC942PAC	NXP	获取价格	942 SERIES, LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32, 7 X 7
MPC942PAC	IDT	获取价格	Low Skew Clock Driver, 942 Series, 18 True Output(s), 0 Inverted Output(s), ECL, PQFP32, 7
MPC942PFA	IDT	获取价格	Low Skew Clock Driver, 942 Series, 18 True Output(s), 0 Inverted Output(s), ECL, PQFP32, 7
MPC942PFA	MOTOROLA	获取价格	LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32, 7 X 7 MM, 0.80 MM
MPC942PFA	NXP	获取价格	IC,1:18 OUTPUT,BIPOLAR,QFP,32PIN,PLASTIC
MPC942PFAR2	NXP	获取价格	942 SERIES, LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32, 7 X 7
MPC942PFAR2	MOTOROLA	获取价格	LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32, 7 X 7 MM, 0.80 MM
MPC9443	MOTOROLA	获取价格	2.5V AND 3.3V LVCMOS CLOCK FANOUT BUFFER
MPC9443AE	NXP	获取价格	9443 SERIES, LOW SKEW CLOCK DRIVER, 16 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48, 7 X 7
MPC9443AER2	MOTOROLA	获取价格	9443 SERIES, LOW SKEW CLOCK DRIVER, 16 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48, 7 X 7

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