MPC9229AC IDT, Integrated Device Technology Inc, MPC9229AC Datasheet

MPC9229AC

Manufacturer Part Number

MPC9229AC

Description

IC CLK SYNTH LV PECL 32-LQFP

Manufacturer

IDT, Integrated Device Technology Inc

Type

Clock/Frequency Synthesizerr

Datasheet

1.MPC9229AC.pdf (12 pages)

Specifications of MPC9229AC

Pll

Yes

Input

Crystal

Output

LVPECL

Number Of Circuits

Ratio - Input:output

1:1

Differential - Input:output

No/Yes

Frequency - Max

400MHz

Divider/multiplier

Yes/No

Voltage - Supply

3.135 V ~ 3.465 V

Operating Temperature

0°C ~ 70°C

Mounting Type

Surface Mount

Package / Case

32-LQFP

Frequency-max

400MHz

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

800-2007
MPC9229ACIDT

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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

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

the output frequency.

4⋅M times the reference 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.

can provide one of four division 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 50 Ω to V

is separated from the power supply for the core logic and output drivers to minimize noise induced jitter.

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.

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. Refer to

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.

MPC9229 REVISION 3 AUGUST 6, 2009

The MPC9229 is a 3.3 V compatible, PLL based clock synthesizer targeted for high

The internal crystal oscillator uses the external quartz crystal as the basis of its frequency

The feedback path of the PLL is internal. The PLL adjusts the VCO output frequency to be

The PLL post-divider N is configured through either the serial or the parallel interfaces, and

The configuration logic has two sections: serial and parallel. The parallel interface uses the values at the M[8:0] and N[1:0] inputs to configure

The serial interface centers on a fourteen bit shift register. The shift register shifts once per rising edge of the S_CLOCK input. The serial

25 MHz to 400 MHz Synthesized Clock Output Signal

Differential PECL Output

LVCMOS Compatible Control Inputs

On-Chip Crystal Oscillator for Reference Frequency Generation

3.3-V Power Supply

Fully Integrated PLL

Minimal Frequency Overshoot

Serial 3-Wire Programming Interface

Parallel Programming Interface for Power-Up

32-Lead LQFP and 28-Lead PLCC Packaging

32-Lead and 28-Lead Pb-Free Package Available

SiGe Technology

Ambient Temperature Range 0°C to +70°C

Pin and Function Compatible to the MC12429

XTAL

, the PLL feedback-divider M and the PLL post-divider N determine

400MHz Low Voltage PECL Clock Synthesizer

–

2.0 V. The positive supply voltage for the internal PLL

Programming Interface

MPC9229FN

MPC9229EI

MPC9229FA

MPC9229AC

Device

ORDERING INFORMATION

400 MHz LOW VOLTAGE

CLOCK SYNTHESIZER

MPC9229

to +70°C

Range

Temp.

28-LEAD PLCC PACKAGE

32-LEAD LQFP PACKAGE

28-LEAD PLCC PACKAGE

0°C

Pb-FREE PACKAGE

for more information.

CASE 873A-04

CASE 776-02

AC SUFFIX

FA SUFFIX

DATA SHEET

FN SUFFIX

EI SUFFIX

873A-03

MPC9229

776-02

Case

No.

Package

PLCC

LQFP

Related parts for MPC9229AC

MPC9229AC Summary of contents

Page 1

... PLL jitter recommended to avoid active signal on the TEST output. MPC9229 REVISION 3 AUGUST 6, 2009 400 MHz LOW VOLTAGE CLOCK SYNTHESIZER ORDERING INFORMATION Device MPC9229FN MPC9229EI MPC9229FA MPC9229AC 2.0 V. The positive supply voltage for the internal PLL – CC Programming Interface 1 ©2009 Integrated Device Technology, Inc. MPC9229 DATA SHEET ...

Page 2

MPC9229 Data Sheet XTAL_IN XTAL XTAL_OUT 10 – 20 MHz V CC P_LOAD S_LOAD S_DATA S_CLOCK M[0:8] N[1: S_CLOCK 26 S_DATA 27 S_LOAD 28 MPC9229 V 1 CC_PLL XTAL_IN ...

Page 3

MPC9229 Data Sheet Table 1. Pin Configurations Pin I/O XTAL_IN, XTAL_OUT — Output OUT OUT TEST Output S_LOAD Input P_LOAD Input S_DATA Input S_CLOCK Input M[0:8] Input N[1:0] Input OE Input GND Supply V Supply CC V ...

Page 4

MPC9229 Data Sheet Table 3. General Specifications Symbol Characteristics V Output Termination Voltage TT MM ESD Protection (Machine Model) HBM ESD Protection (Human Body Model) LU Latch-Up Immunity C Input Capacitance IN θ LQFP 32 Thermal Resistance Junction to Ambient ...

Page 5

MPC9229 Data Sheet Table 6. AC Characteristics (V Symbol f Crystal Interface Frequency Range XTAL f VCO Frequency Range VCO f Output Frequency MAX DC Output Duty Cycle Output Rise/Fall Time Serial Interface Programming ...

Page 6

MPC9229 Data Sheet Programming the MPC9229 Programming the MPC9229 amounts to properly configuring the internal PLL dividers to produce the desired synthesized frequency at the output. The output frequency can be represented by this formula: ÷ 16) ⋅ (4 ⋅ ...

Page 7

MPC9229 Data Sheet Substituting N for the four available values for N ( yields: Table 8. Output Frequency Range for OUT OUT 1 0 Value 200 – 400 MHz ...

Page 8

MPC9229 Data Sheet S_CLOCK S_DATA S_LOAD M[8: N[1:0] P_LOAD Power Supply Filtering The MPC9229 is a mixed analog/digital product. Its analog circuitry is naturally susceptible to random noise, especially if this noise is seen on the power supply ...

Page 9

MPC9229 Data Sheet XTAL Figure 5. PCB Board Layout Recommendation for the PLCC28 Package Using the On-Board Crystal Oscillator The MPC9229 features a fully integrated on-board crystal oscillator to minimize system implementation costs. The oscillator is ...

Page 10

MPC9229 Data Sheet -N- - 0.010 (0.250) T L-M S NOTES: 1. DATUMS -L-, -M-, AND -N- DETERMINED WHERE TOP OF LEAD SHOULDER EXISTS PLASTIC BODY AT MOLD PARTING LINE. 2. DIMENSION G1, TRUE ...

Page 11

MPC9229 Data Sheet D1/2 PIN 1 INDEX E1 D/2 4X 0. 28X SEATING PLANE C DETAIL (S) A1 DETAIL AD MPC9229 REVISION 3 ...

Page 12

MPC9229 Data Sheet 6024 Silver Creek Valley Road Sales 800-345-7015 (inside USA) San Jose, California 95138 +408-284-8200 (outside USA) Fax: 408-284-2775 www.IDT.com/go/contactIDT DISCLAIMER Integrated Device Technology, Inc. (IDT) and its subsidiaries reserve the right to modify the products and/or specifications ...

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