SY87700AL datasheet(1/22 Pages) MICROCHIP

Part #	SY87700AL

Description	Low-Power, 3.3V, 32 Mbps to 208 Mbps AnyRate짰 Clock and Data Recovery

PDF	22 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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2021 Microchip Technology Inc. and its subsidiaries

DS20006628A-page 1

SY87700AL

Features

• 3.3V Power Supply

• SONET/SDH/ATM Compatible

• Clock and Data Recovery from 32 Mbps Up to

208 Mbps NRZ Data Stream; Clock Generation

from 32 Mbps to 208 Mbps

• 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

• 100K ECL-Compatible I/O

• Industrial Temperature Range: –40°C to +85°C

• Low Power: Fully Compatible SY87700V, but

Consumes 30% Less Power

• Available in a 32-Lead ePAD TQFP Package

Applications

• SONET/SDH/ATM OC-1 and OC-3

• Fast Ethernet, SMPTE 259

• Proprietary Architecture Up to 208 Mbps

General Description

The SY87700AL is a complete clock recovery and data

re-timing integrated circuit for data rates from 32 Mbps

up to 208 Mbps NRZ. The device is ideally suited for

SONET/SDH/ATM applications and other high-speed

data transmission systems.

Clock recovery and data re-timing 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.

The SY87700AL also includes a link fault detection

circuit.

Low-Power, 3.3V, 32 Mbps to 208 Mbps

AnyRate® Clock and Data Recovery

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SY87700AL Datasheet(PDF) 1 Page - Microchip Technology

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