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MPC942P

Part Number	MPC942P
Manufacturer	IDT
Description	Low Voltage 1:18 Clock Distribution Chip
Published	Nov 18, 2008
Detailed Description	MOTOROLA Freescale Semiconductor, Inc. SEMICONDUCTOR TECHNICAL DATA Order this document by MPC942P/D DATA SHEET Low...
Datasheet	MPC942P PDF File

Overview

MOTOROLA Freescale Semiconductor, Inc.
SEMICONDUCTOR TECHNICAL DATA Order this document by MPC942P/D DATA SHEET Low Voltage 1:18Distribution Clock Low Voltage 1:18 Clock Distribution Chip 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 www.
DataSheet4U.
com supplying clocks for a high performance Pentium II™ microprocessor based design.
MPC942P MPC942P LOW VOLTAGE 1:18 CLOCK DISTRIBUTION CHIP Freescale Semiconductor, Inc.
.
.
• • • • • • 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 VCC 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...

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