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MPC9108

Part Number	MPC9108
Manufacturer	Motorola
Description	MULTIPLE OUTPUT CLOCK SYNTHESIZER
Published	Aug 6, 2008
Detailed Description	MOTOROLA SEMICONDUCTOR TECHNICAL DATA Advance Information Multiple Output Clock Synthesizer The MPC9108 is a multiple ...
Datasheet	MPC9108 PDF File

Overview

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Advance Information Multiple Output Clock Synthesizer The MPC9108 is a multiple CMOS output clock synthesizer targeted for disk drive applications.
The device interfaces to a 20MHz crystal as its frequency source.
From this source the device provides a buffered copy of the 20MHz clock as well as synthesized 40MHz and 50MHz output clocks.
MPC9108 • Fully Integrated PLL www.
DataSheet4U.
com • Fully Integrated Crystal Oscillator MULTIPLE OUTPUT CLOCK SYNTHESIZER • Low cost, low jitter design • Low cost 8–lead SOIC packaging In addition to the output clock frequencies, the MPC9108 also offers a lock indicator output.
When the internal PLL achieves phase and frequency lock the CLK_LOCK signal will go HIGH.
The pin will remain HIGH unless the PLL loses lock due to input clock or power supply disturbances.
The XTALIN pin (pin 1) can be over–driven with a standard 5V CMOS signal.
When an externally generated reference is used the XTALOUT pin should be left open.
The MPC9108 operates from a 5.
0V supply across the commercial temperature range of 0°C to 70°C.
The 8–lead SOIC package is used to optimize board space efficiency as well as minimizing cost.
Pinout: 8–Lead SOIC (Top View) XTALIN VDD GND CLK1 1 2 3 4 8 7 6 5 XTALOUT CLK_LOCK CLK2 CLK3 D SUFFIX PLASTIC SOIC CASE 751–03 Pin Descriptions Pin Name XTALIN VDD GND CLK1 CLK2 CLK3 CLK_LOCK XTALOUT Pin Number 1 2 3 4 5 6 7 8 I/O I – – O O O O O Function 20MHz Crystal Connection, External Reference Point +5V Power Supply Ground 20MHz Output, Buffer Xtal Output 50MHz Output, PLL Controlled 40MHz Output, PLL Controlled HIGH When PLL is Locked Crystal Oscillator Connection This document contains information on a new product.
Specifications and information herein are subject to change without notice.
1/97 © Motorola, Inc.
1997 1 REV 0 MPC9108 BLOCK DIAGRAM 1 Xtal Osc 8 PLL 200MHz ÷4 CLK1 CLK3 ÷5 CLK2 CLK_LOCK www.
DataSheet4U.
com MAXIMUM RATINGS* Symbol VCC VIN TA TA TSTG Para...

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