MPC9855VM datasheet, PDF - EEWORLD Datasheet

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MPC9855VM: Descriptionclock generators & support products 8 lvcmos out clock gen; Categorysemiconductor Other integrated circuit (IC); File Size579KB，12 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/; Environmental Compliance

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MPC9855VM Overview

clock generators & support products 8 lvcmos out clock gen

MPC9855VM Parametric

Parameter Name	Attribute value
Manufacture	IDT (Integrated Device Technology)
Product Category	Clock Generators & Support Products
RoHS	Yes
Type	Clock Generators
Max Input Freq	33 MHz
Max Output Freq	200 MHz
Number of Outputs	8
Duty Cycle - Max	57 %
Operating Supply Voltage	3.3 V
Operating Supply Curre	170 mA
Maximum Operating Temperature	+ 85 C
Mounting Style	SMD/SMT
Package / Case	MAPBGA-100
Minimum Operating Temperature	- 40 C
Output Type	LVCMOS
Packaging	Tray
Factory Pack Quantity	168

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DATA SHEET

Freescale Semiconductor

Technical Data

Clock Generator for PowerQUICC

III

MPC9855

Rev 4, 09/2005

MPC9855

Clock Generator for PowerQUICC III

The MPC9855 is a PLL based clock generator specifically designed for

Freescale Microprocessor and Microcontroller applications including the

PowerPC and PowerQUICC. This device generates a microprocessor input

clock. The microprocessor clock is selectable in output frequency to any of the

commonly used microprocessor input and bus frequencies. The device offers

eight low skew clock outputs in two banks, each configurable to support different

clock frequencies. The extended temperature range of the MPC9855 supports

telecommunication and networking requirements.

Features

•

8 LVCMOS outputs for processor and other circuitry

Crystal oscillator or external reference input

25 or 33 MHz Input reference frequency

Selectable output frequencies include = 200, 166, 133,125, 111, 100, 83, 66,

50, 33, or 16 MHz

Buffered reference clock output (2 copies)

Low cycle-to-cycle and period jitter

100-lead PBGA package

100-lead Pb-free Package Available

3.3 V supply with 3.3 V or 2.5 V LVCMOS output supplies

Supports computing, networking, telecommunications applications

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

MICROPROCESSOR

CLOCK GENERATOR

SCALE 2 1

VF SUFFIX

VM SUFFIX (PB-FREE)

100 MAPBGA PACKAGE

CASE 1462-01

Functional Description

The MPC9855 uses either a 25 or 33 MHz reference frequency to generate 8 LVCMOS output clocks, of which, the frequency

is selectable from 16 MHz to 200 MHz. The reference is applied to the input of a PLL and multiplied to 2 GHz. Output dividers,

divide this frequency by 10, 12, 15, 16, 18, 20, 24, 30, 40, 60, or 120 to produce output frequencies of 200, 166, 133, 125, 111,

100, 83, 66, 50, 33, or 16 MHz. The single-ended LVCMOS outputs provide 8 low skew outputs for use in driving a microprocessor

or microcontroller clock input as well as other system components. The input reference, either crystal or external input is also

buffered to a separate dual outputs that my be used as the clock source for a Ethernet PHY if desired.

The reference clock may be provided by either an external clock input of 25 or 33 MHz. An internal oscillator requiring a

25 MHz crystal for frequency control may also be used. The external clock source my be applied to either of two clock inputs and

selected via the CLK_SEL control input. Both single ended LVCMOS and differential LVPECL inputs are available. The crystal

oscillator or external clock input is selected via the input pin of XTAL_SEL. Other than the crystal, no external components are

required for crystal oscillator operation. The REF_33 MHz configuration pin is used to select between a 33 and 25 MHz input

frequency.

The MPC9855 is packaged in a 100 lead MAPBGA package to optimize both performance and board density.

IDT™

Clock Generator for PowerQUICC III

MPC9855

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

MPC9855VM Related Products

	MPC9855VM	MPC9855VMR2
Description	clock generators & support products 8 lvcmos out clock gen	IC PLL CLOCK GENERATOR 100MAPBGA

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