MPC9229 Motorola, MPC9229 Datasheet

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MPC9229

Manufacturer Part Number
MPC9229
Description
400 MHz Low Voltage PECL Clock Syntheslzer
Manufacturer
Motorola
Datasheet

Specifications of MPC9229

Case
QFP

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
400 MHz Low Voltage PECL
Clock Synthesizer
targeted for high performance clock generation in mid-range to
high-performance telecom, networking and computing applications. With
output frequencies from 25 MHz to 400 MHz and the support of differential
PECL output signals the device meets the needs of the most demanding
clock applications.
Features
Functional Description
basis of its frequency reference. The frequency of the internal crystal
oscillator is divided by 16 and then multiplied by the PLL. The VCO within
the PLL operates over a range of 800 to 1600 MHz. Its output is scaled by
a divider that is configured by either the serial or parallel interfaces. The
crystal oscillator frequency f
post-divider N determine the output frequency.
by adjusting the VCO control voltage. Note that for some values of M (either too high or too low) the PLL will not achieve phase
lock. The PLL will be stable if the VCO frequency is within the specified VCO frequency range (800 to 1600 MHz). The M-value
must be programmed by the serial or parallel interface.
ratios (1, 2, 4, or 8). This divider extends performance of the part while providing a 50% duty cycle. The output driver is driven
differentially from the output divider, and is capable of driving a pair of transmission lines terminated 50Ω to V
positive supply voltage for the internal PLL is separated from the power supply for the core logic and output drivers to minimize
noise induced jitter.
inputs to configure the internal counters. It is recommended on system reset to hold the P_LOAD input LOW until power becomes
valid. On the LOW–to–HIGH transition of P_LOAD, the parallel inputs are captured. The parallel interface has priority over the
serial interface. Internal pullup resistors are provided on the M[8:0] and N[1:0] inputs prevent the LVCMOS compatible control
inputs from floating.
The serial input S_DATA must meet setup and hold timing as specified in the AC Characteristics section of this document. The
configuration latches will capture the value of the shift register on the HIGH–to–LOW edge of the S_LOAD input. See the
programming section for more information. The TEST output reflects various internal node values, and is controlled by the T[2:0]
bits in the serial data stream. In order to minimize the PLL jitter, it is recommended to avoid active signal on the TEST output.
25 MHz to 400 MHz synthesized clock output signal
Differential PECL output
LVCMOS compatible control inputs
On-chip crystal oscillator for reference frequency generation
3.3V power supply
Fully integrated PLL
Minimal frequency overshoot
Serial 3-wire programming interface
Parallel programming interface for power-up
32 lead LQFP and 28 PLCC packaging
SiGe Technology
Ambient temperature range 0°C to +70°C
Pin and function compatible to the MC12429
The MPC9229 is a 3.3V compatible, PLL based clock synthesizer
The internal crystal oscillator uses the external quartz crystal as the
The feedback path of the PLL is internal. The PLL adjusts the VCO output frequency to be 4⋅M times the reference frequency
The PLL post-divider N is configured through either the serial or the parallel interfaces, and can provide one of four division
The configuration logic has two sections: serial and parallel. The parallel interface uses the values at the M[8:0] and N[1:0]
The serial interface centers on a fourteen bit shift register. The shift register shifts once per rising edge of the S_CLOCK input.
Motorola, Inc. 2003
XTAL
, the PLL feedback-divider M and the PLL
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
400 MHZ LOW VOLTAGE
CLOCK SYNTHESIZER
28- -LEAD PLCC PACKAGE
32 LEAD LQFP PACKAGE
MPC9229
CASE 873A
FN SUFFIX
FA SUFFIX
CASE 776
Order Number: MPC9229/D
CC
Rev 1 03/2003
– 2.0V. The

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MPC9229 Summary of contents

Page 1

... SEMICONDUCTOR TECHNICAL DATA 400 MHz Low Voltage PECL Clock Synthesizer The MPC9229 is a 3.3V compatible, PLL based clock synthesizer targeted for high performance clock generation in mid-range to high-performance telecom, networking and computing applications. With output frequencies from 25 MHz to 400 MHz and the support of differential PECL output signals the device meets the needs of the most demanding clock applications ...

Page 2

... Figure 1. MPC9229 Logic Diagram N[ GND N[ TEST M[ VCC M[7] 28 VCC 15 29 GND M[ FOUT M[ FOUT M[ VCC Figure 3. MPC9229 32- -Lead LQFP Pinout 2 For More Information On This Product, Go to: www.freescale.com FOUT OE FOUT Sync Test TEST 3 2 T-Latch 1 Bit 0 M[3] 14 M[2] 13 M[1] MPC9229 12 M[0] 11 P_LOAD 10 OE ...

Page 3

... PLL positive power supply (analog power supply Output division Output frequency range For More Information On This Product, Go to: www.freescale.com MPC9229 Function in the logic low state OUT pins must be connected to the CC f 200 - 400 MHz 100 - 200 MHz 50 - 100 MHz MHz MOTOROLA ...

Page 4

... Maximum PLL Supply Current CC_PLL I Maximum Supply Current CC a. Inputs have pull-down resistors affecting the input current. b. Outputs terminated 50Ω 2V The MPC9229 TEST output levels are compatible to the MC12429 output levels. MOTOROLA Min V 200 2000 200 a Characteristics = 0°C to +70°C) A Min 2 ...

Page 5

... S_DATA to S_CLOCK 20 S_CLOCK to S_LOAD P_LOAD 20 S_DATA to S_CLOCK P_LOAD (÷ (÷ (÷ (÷ (÷ (÷ (÷ (÷8) TT. 5 For More Information On This Product, Go to: www.freescale.com MPC9229 Typ Max Unit Condition 20 MHz 1600 MHz 400 MHz 200 MHz 100 MHz 50 MHz 0.3 ns 20% to 80% ...

Page 6

... M is the PLL XTAL feedback-divider and N is the PLL post-divider. The input frequency and the selection of the feedback divider M is limited by the VCO-frequency range. f and M must be configured XTAL Table 7. MPC9229 Frequency Operating Range VCO frequency for an crystal interface frequency of M M[8: 160 ...

Page 7

... MPC9229 itself. However the PLL bypass mode may be of interest at the board level for functional debug. When T[2:0] is set to 110 the MPC9229 is placed in PLL bypass mode. In this mode the S_CLOCK input is fed directly into the M and N dividers. The N divider drives the F M counter drives the TEST output pin ...

Page 8

... The key parameter that needs to be met in the final filter design is the DC voltage drop that will be seen between the VCC supply and the MPC9229 pin of the MPC9229. From the data sheet, the VCC_PLL current (the current sourced through the VCC_PLL pin) is maximum 20 mA, assuming that a minimum of 2.835 V must be maintained on the VCC_PLL pin. The resistor shown in Figure 5 must have a resistance of 10-15 Ω ...

Page 9

... As the oscillator is somewhat sensitive to loading on its inputs the user is advised to mount the crystal as close to the MPC9229 as possible to avoid any board level parasitics. To facilitate co--location TIMING SOLUTIONS surface mount crystals are recommended, but not required. ...

Page 10

... Freescale Semiconductor, Inc. MPC9229 - - 0.010 (0.250 NOTES: 1. DATUMS - - AND - - N- - DETERMINED WHERE TOP OF LEAD SHOULDER EXITS PLASTIC BODY AT MOLD PARTING LINE. 2. DIMENSION G1, TRUE POSITION TO BE MEASURED AT DATUM - - SEATING PLANE. 3. DIMENSIONS R AND U DO NOT INCLUDE MOLD FLASH. ALLOWABLE MOLD FLASH IS 0.010 (0.250) PER SIDE. ...

Page 11

... SECTION 0.25 GAUGE PLANE θ For More Information On This Product, Go to: www.freescale.com MPC9229 e DETAIL G NOTES: 1. DIMENSIONS ARE IN MILLIMETERS. 2. INTERPRET DIMENSIONS AND TOLERANCES PER ASME Y14.5M, 1994. 3. DATUMS A, B, AND DETERMINED AT DATUM PLANE H. 4. DIMENSIONS D AND DETERMINED AT SEATING PLANE C. 5. DIMENSION b DOES NOT INCLUDE DAMBAR PROTRUSION ...

Page 12

... Minami--Azabu, Minato--ku, Tokyo 106--8573 Japan 81--3--3440--3569 MOTOROLA ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Centre, 2, Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong. 852--26668334 HOME PAGE: http://motorola.com/semiconductors ◊ 12 For More Information On This Product, Go to: www.freescale.com MPC9229/D TIMING SOLUTIONS ...

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