mpc9817 Integrated Device Technology, mpc9817 Datasheet

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mpc9817

Manufacturer Part Number
mpc9817
Description
Clock Generator For Powerquicc And Powerpc Microprocessors And Microcontrollers
Manufacturer
Integrated Device Technology
Datasheet

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IDT™ Clock Generator for PowerQUICC and PowerPC Microprocessors and Microcontrollers
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc
Clock Generator for PowerQUICC and PowerPC
Microprocessors and Microcontrollers
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2004. All rights reserved.
Clock Generator for PowerQUICC
and PowerPC Microprocessors and
Freescale Semiconductor Microprocessor and Microcontroller applications
including the PowerPC and PowerQUICC. This device generates the
microprocessor input clock and other microprocessor system and bus clocks at
any one of four output frequencies. These frequencies include the popular
33- and 66-MHz PCI bus frequencies. The device offers five low-skew clock
outputs plus three reference outputs. The clock input reference is 25 MHz and
may be derived from an external source or by the addition of a 25-MHz crystal to
the on-chip crystal oscillator. The extended temperature range of the MPC9817
supports telecommunication and networking requirements.
Features
Functional Description
output clocks. The output frequency of this bank is configurable to either 25, 33, 50, or 66 MHz by two FSEL pins. The 25-MHz
reference may be either an external frequency source or a 25-MHz crystal. The 25-MHz crystal is directly connected to the
XTAL_IN and XTAL_OUT pins with no additional components required. An external reference may be applied to the XTAL_IN
pin with the XTAL_OUT pin left floating. The input reference, whether provided by a crystal or an external input, is also directly
buffered to a second bank of three LVCMOS outputs. These outputs may be used as the clock source for processor I/O
applications such as an Ethernet PHY. When FSEL0 and FSEL1 are both configured low, the QA outputs are directly fed from
the input reference providing a total of eight low-skew 25-MHz outputs. For all other combinations of FSEL0 and FSEL1 the
single-ended LVCMOS outputs provide five low-skew outputs for use in driving a microprocessor or microcontroller clock input
as well as other system components.
The MPC9817 is a PLL-based clock generator specifically designed for
The MPC9817 uses a PLL with a 25-MHz input reference frequency to generate a single bank of five configurable LVCMOS
The MPC9817 is packaged in a 20-lead SSOP package.
5 LVCMOS outputs for processor and other system circuitry
3 Buffered 25-MHz reference clock outputs
Crystal oscillator or external reference input
25-MHz input reference frequency
Selectable output frequencies include: 25, 33, 50, or 66 MHz
Low cycle-to-cycle and period jitter
Package: 20-lead SSOP
3.3-V supply
Supports computing, networking, and telecommunications applications
Ambient temperature range: –40°C to +85°C
1
CLOCK GENERATOR
MICROPROCESSOR
20 SSOP PACKAGE
20 SSOP PACKAGE
Pb-FREE PACKAGE
MPC9817
CASE 1461-01
CASE 1461-01
SD SUFFIX
EN SUFFIX
DATA SHEET
Rev 1, 11/2004
MPC9817
MPC9817
MPC9817

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mpc9817 Summary of contents

Page 1

... Ambient temperature range: –40°C to +85°C Functional Description The MPC9817 uses a PLL with a 25-MHz input reference frequency to generate a single bank of five configurable LVCMOS output clocks. The output frequency of this bank is configurable to either 25, 33, 50 MHz by two FSEL pins. The 25-MHz reference may be either an external frequency source or a 25-MHz crystal ...

Page 2

... IDT™ Clock Generator for PowerQUICC and PowerPC Microprocessors and Microcontrollers Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc 2 Ref PLL 33,50,66 MHz 400 MHz Data Generator 25 MHz Figure 1. MPC9817 Logic Diagram I/O Type Output LVCMOS Clock Outputs Output LVCMOS Reference Output (25 MHz) Input ...

Page 3

... MHz. Externally supplied capacitors on both the XTAL_IN and XTAL_OUT pins may be used to trim the frequency as desired. The crystal should be located as close to the MPC9817 XTAL_IN and XTAL_OUT pins as possible to avoid any board = 10 pF. Crystals L level parasitic ...

Page 4

... V — mA — pF Inputs — °C/W 85 °C Max Unit Condition V + 0.3 V Input threshold = 0 0.8 V LVCMOS µA 150 GND IN DDL — – 0 Ω — 15 pins DD Advanced Clock Drivers Devices Freescale Semiconductor NETCOM MPC9817 ...

Page 5

... PLL transfer characteristics. Pulse Generator Ω Figure 3. MPC9817 AC Test Reference (LVCMOS Outputs) IDT™ Clock Generator for PowerQUICC and PowerPC Microprocessors and Microcontrollers Advanced Clock Drivers Devices Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc ...

Page 6

... MPC9817 Clock Generator for PowerQUICC and PowerPC Microprocessors and Microcontrollers Table 8. MPC9817 Pin List MPC9817 IDT™ Clock Generator for PowerQUICC and PowerPC Microprocessors and Microcontrollers Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc 6 Pin Description Pin 1 XTAL_IN ...

Page 7

... INCHES FOR ENDS AND .008 INCHES FOR SIDES. 6. THIS DIMENSION IS LENGTH OF TERMINAL FOR SOLDERING A SUBSTRATE. 7. FORMED LEADS SHALL BE PLANAR WITH RESPECT TO ONE ANOTHER WITHIN .004 INCHES AT SEATING PLANE. 8. THIS DIMENSION IS DEFINED AS THE DISTANCE FROM THE SEATING PLANE TO THE LOWEST POINT OF THE PACKAGE BODY. NETCOM MPC9817 MPC9817 7 ...

Page 8

... MPC92459 MPC9817 PART NUMBERS 900 MHz Low Voltage LVDS Clock Synthesizer Clock Generator for PowerQUICC and PowerPC Microprocessors and Microcontrollers INSERT PRODUCT NAME AND DOCUMENT TITLE Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc ...

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