MAX3876EHJ

更新时间： 2024-01-02 06:32:41

品牌	Logo	应用领域
美信 - MAXIM		时钟
页数	文件大小	规格书
12页	745K
描述
2.5Gbps, Low-Power, #.3V Clock Recovery and Data Retiming IC

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MAX3876EHJ 数据手册

19-1631; Rev 0; 1/00

2.5Gbps, Low-Power, +3.3V

Clock Recovery and Data Retiming IC

General Description

Features

The MAX3876 is a compact, low-power clock recovery

and data retiming IC for 2.488Gbps SDH/SONET appli-

cations. The fully integrated phase-locked loop (PLL)

recovers a synchronous clock signal from the serial

NRZ data input. The data is retimed by the recovered

clock. Differential CML outputs are provided for both

clock and data signals, and an additional 2.488Gbps

serial input is available for system loopback diagnostic

testing. The device also includes a TTL-compatible

loss-of-lock (LOL) monitor.

ꢀ Exceeds ANSI, ITU, and Bellcore SONET/SDH

Regenerator Specifications

ꢀ 440mW Power Dissipation (at +3.3V)

ꢀ Clock Jitter Generation: 3.7mUI

RMS

ꢀ +3.3V or +5V Single Power Supply

ꢀ Fully Integrated Clock Recovery and Data Retiming

ꢀ Additional High-Speed Input Facilitates System

Loopback Diagnostic Testing

The MAX3876 is designed for both section-regenerator

and terminal-receiver applications in OC-48/STM-16

transmission systems. Its jitter performance exceeds all

of the SONET/SDH specifications.

ꢀ Tolerates >2500 Consecutive Identical Digits

ꢀ Loss-of-Lock Indicator

ꢀ Differential CML Data and Clock Outputs

This device operates from a +3.3V or +5.0V single sup-

ply over a -40°C to +85°C temperature range. Power

consumption is typically only 445mW with a +3.3V sup-

ply. The MAX3876 is available in a 32-pin TQFP pack-

age as well as in die form.

Ordering Information

Applications

SDH/SONET Receivers and Regenerators

Add/Drop Multiplexers

PART

TEMP. RANGE

-40°C to +85°C

PIN-PACKAGE

32 TQFP

MAX3876EHJ

MAX3876E/D

Dice*

Digital Cross-Connects

*Dice are designed to operate over this range, but are tested

2.488Gbps ATM Receiver

and guaranteed at T = +25°C only. Contact factory for

Digital Video Transmission

availability.

Pin Configuration appears at end of data sheet.

SDH/SONET Test Equipment

Intrarack/Subrack Interconnects

Typical Application Circuit

+3.3V

TTL

0.01µF

+3.3V

LOL

FILT

SDO+

SDO-

OUT+

OUT-

PHOTO-

DIODE

SDI+

SDI-

MAX3866

0.01µF

MAX3831

PREAMPLIFIER

MAX3876

4:1/1:4

TRANSCEIVER

SLBI+

SLBI-

SCLKO+

SCLKO-

SIS

FIL+

FIL-

SYSTEM

LOOPBACK

TTL

1µF

________________________________________________________________ Maxim Integrated Products

For free samples and the latest literature: www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

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