Datasheet > SY87729L

SY87729L

更新时间： 2024-11-14 14:55:59

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
17页	445K
描述
The SY87729L is a complete rate independent frequency synthesizer integrated circuit. From a singl

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SY87729L 数据手册

SY87729L

3.3V AnyClock^®, 10MHz to 365MHz

Fractional N Synthesizer

General Description

The SY87729L is a complete rate independent frequency

synthesizer integrated circuit. From a single reference

AnyClock^®

source, this device generates

reference frequency for Micrel's SY87721L 10Mbps to

2.7Gbps combined CDR and CMU.

differential PECL

Features

• Fractional synthesizer from 10MHz to 365MHz from a

single 27MHz reference oscillator

The SY87729L generates an exactly correct reference

frequency for common data transport protocols. This is

especially important in transponder applications, where a

standards compliant protocol data unit must be generated

downstream, even in the absence of any signal from the

associated upstream interface.

• Generates exactly the correct frequency for common

transport protocols with or without FEC

• Directly enables SY87721L to lock onto any data rate

within its range

• Exceeds BellCore and ITU jitter generation

specifications

In addition, SY87729L will generate exactly correct

reference frequencies for common data transport protocols

augmented by forward error correction codes.

• Programmable via MicroWire™ interface

• Available in 32-Pin EPAD-TQFP package

For proprietary applications, the SY87729L generates

reference frequencies guaranteed to enable the SY87721L

CDR to lock to any possible baud rate in its range.

Applications

SY87729L accepts configuration via

interface.

a MicroWire™

• Metro access system

• Transponders

• Multiplexers: access, add drop mux

• SONET/SDH/ATM-based transmission systems,

modules and test equipment

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

• Broadband cross-connects

• Fiber optic test equipment

• Protocols supported:

−

OC-1, OC-3, OC-12, OC-48, ATM, Gigabit Ethernet,

Fast Ethernet, Fibre Channel, 2X Fibre Channel,

1394, InfiniBand, Proprietary Optical Transport

AnyClock and AnyRate are registered trademarks of Micrel, Inc.

MicroWire is a trademark of National Semiconductor

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-072111-G

July 2011

12 3 4 5 6 7...17

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与SY87729L相关器件

型号	品牌	获取价格	描述	数据表
SY87729L_06	MICREL	获取价格	3.3V AnyClock (10MHz to 365MHz) FRACTIONAL N SYNTHESIZER
SY87729L_07	MICREL	获取价格	3.3V AnyClock (10MHz to 365MHz) FRACTIONAL N SYNTHESIZER
SY87729L_11	MICREL	获取价格	3.3V AnyClock?, 10MHz to 365MHz
SY87729LHI	MICREL	获取价格	3.3V AnyClock (10MHz to 365MHz) FRACTIONAL N SYNTHESIZER
SY87729LHI	MICROCHIP	获取价格	Support Circuit, 1-Func, PQFP32, TQFP-32
SY87729LHITR	MICREL	获取价格	3.3V AnyClock (10MHz to 365MHz) FRACTIONAL N SYNTHESIZER
SY87729LHITR	MICROCHIP	获取价格	Support Circuit, 1-Func, PQFP32, TQFP-32
SY87729LHY	MICREL	获取价格	3.3V AnyClock (10MHz to 365MHz) FRACTIONAL N SYNTHESIZER
SY87729LHY	MICROCHIP	获取价格	ATM/SONET/SDH SUPPORT CIRCUIT, PQFP32
SY87729LHYTR	MICREL	获取价格	3.3V AnyClock (10MHz to 365MHz) FRACTIONAL N SYNTHESIZER

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