SY87700LZG

更新时间： 2024-09-25 03:12:35

品牌	Logo	应用领域
麦瑞 - MICREL		电信集成电路光电二极管异步传输模式 ATM 时钟
页数	文件大小	规格书
14页	569K
描述
3.3V 32-175Mbps AnyRate CLOCK AND DATA RECOVERY

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SY87700LZG 数据手册

3.3V 32-175Mbps AnyRate^®

CLOCK AND DATA RECOVERY

Micrel, Inc.

SY87700L

FEATURES

DESCRIPTION

■ Industrial temperature range (–40°C to +85°C)

■ 3.3V power supply

The SY87700L is a complete Clock Recovery and Data

Retiming integrated circuit for data rates from 32Mbps

up to 175Mbps NRZ. The device is ideally suited for

SONET/SDH/ATM applications and other high-speed data

transmission systems.

Clock recovery and data retiming is performed by

synchronizing the on-chip VCO directly to the incoming

data stream. The VCO center frequency is controlled by

the reference clock frequency and the selected divide

ratio. On-chip clock generation is performed through the

use of a frequency multiplier PLL with a byte rate source

as reference.

■ SONET/SDH/ATM compatible

■ Clock and data recovery from 32Mbps up to

175Mbps NRZ data stream, clock generation from

32Mbps to 175Mbps

■ Two on-chip PLLs: one for clock generation and

another for clock recovery

■ Selectable reference frequencies

■ Differential PECL high-speed serial I/O

■ Line receiver input: no external buffering needed

■ Link Fault indication

The SY87700L also includes a link fault detection

circuit.

All support documentation can be found on Micrel’s web

site at: www.micrel.com.

■ 100k ECL compatible I/O

■ Complies with Bellcore, ITU/CCITT and ANSI

specifications for applications such as OC-1 and

OC-3 as well as proprietary applications

APPLICATIONS

■ Available in 32-pin EPAD-TQFP and 28-pin SOIC

packages (28-pin SOIC is available, but is not

recommended for new designs.)

■ SONET/SDH/ATM OC-1 and OC-3

■ Fast Ethernet, SMPTE 259

■ Proprietary architecture up to 175Mbps

BLOCK DIAGRAM

PLLR P/N

RDOUTP

(PECL)

RDINP

(PECL)

RDINN

PHASE

DETECTOR

RDOUTN

RCLKP

(PECL)

CHARGE

PUMP

VCO

RCLKN

PHASE/

FREQUENCY

DETECTOR

LINK

FAULT

DETECTOR

LFIN

(TTL)

(PECL)

REFCLK

(TTL)

PHASE/

FREQUENCY

DETECTOR

CHARGE

PUMP

VCO

TCLKP

(PECL)

TCLKN

VCC

DIVIDER

VCCA

BY 8, 10, 16, 20

VCCO

SY87700L

GND

DIVSEL 1/2

PLLS P/N

(TTL)

FREQSEL 1/2/3

(TTL)

CLKSEL

(TTL)

AnyRate is a registered trademark of Micrel, Inc.

Rev.: H

Amendment: /0

M9999-111406

hbwhelp@micrel.com or (408) 955-1690

Issue Date: September2006

12 3 4 5 6 7...14

中文翻译

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与SY87700LZG相关器件

型号	品牌	获取价格	描述	数据表
SY87700LZGTR	MICREL	获取价格	3.3V 32-175Mbps AnyRate CLOCK AND DATA RECOVERY
SY87700LZI	MICREL	获取价格	3.3V 32-175Mbps AnyRate CLOCK AND DATA RECOVERY
SY87700LZI	MICROCHIP	获取价格	SY87700LZI
SY87700LZITR	MICREL	获取价格	3.3V 32-175Mbps AnyRate CLOCK AND DATA RECOVERY
SY87700V	MICREL	获取价格	5V/3.3V 32-175Mbps AnyRate⑩ CLOCK AND DATA RE
SY87700V_06	MICREL	获取价格	5V/3.3V 32-175Mbps AnyRate CLOCK AND DATA RECOVERY
SY87700V_08	MICREL	获取价格	5V/3.3V 32-175Mbps AnyRate CLOCK AND DATA RECOVERY
SY87700VHC	MICREL	获取价格	5V/3.3V 32-175Mbps AnyRate⑩ CLOCK AND DATA RE
SY87700VHCTR	MICREL	获取价格	5V/3.3V 32-175Mbps AnyRate CLOCK AND DATA RECOVERY
SY87700VHH	MICREL	获取价格	5V/3.3V 32-175Mbps AnyRate CLOCK AND DATA RECOVERY

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