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MAX3676
622Mbps, 3.3V Clock-Recovery and Data-Retiming IC with Limiting Amplifier

High-Performance, Low-Power 622Mbps CDR


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 276kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail


Description
The MAX3676 is a complete clock-recovery and data-retiming IC incorporating a limiting amplifier. It is intended for 622Mbps SDH/SONET applications and operates from a single +3.3V supply.

The MAX3676 is designed for both section-regenerator and terminal-receiver applications in OC12/STM-4 transmission systems. Its jitter performance exceeds all SONET/SDH specifications.

The MAX3676 has two differential input amplifiers: one accepts positive-referenced emitter-coupled logic (PECL) levels, while the other accepts small-signal analog levels. The analog inputs access the limiting amplifier stage, which provides both a received-signal-strength indicator (RSSI) and a programmable-threshold loss-of-power (LOP) monitor. Selecting the PECL amplifier disables the limiting amplifier, conserving power. A loss-of-lock (LOL) monitor is also incorporated as part of the fully integrated phase-locked loop (PLL).

An evaluation kit is available:  MAX3675EVKIT, MAX3676EVKIT  

Key Features   Applications/Uses
  • Single +3.3V or +5.0V Power Supply
  • Exceeds ITU/Bellcore SDH/SONET Regenerator Specifications
  • Low Power: 237mW at +3.3V
  • Selectable Data Inputs, Differential PECL or Analog
  • Received-Signal-Strength Indicator
  • Loss-of-Power and Loss-of-Lock Monitors
  • Differential PECL Clock and Data Outputs
  • No External Reference Clock Required

 
  • Add/Drop Multiplexers
  • ATM Switches
  • Digital Cross-Connects
  • SDH/SONET Access Nodes
  • SDH/SONET Receivers and Regenerators

    Key Specifications:  Clock and Data Recovery
    Part Number Functions Target Oper. Range
    (Gbps)
    Data Rate
    (Mbps)
    Data Rate
    (Mbps)
    Multirate VSUPPLY
    (V)
    ICC
    (mA)
    I/O Type Package/Pins Oper. Temp.
    (°C)
    Price
    min max typ See Notes
    MAX3676  CDR <1 622 622 No
    3.3
    5
    65 PECL
    TQFP/32
    -40 to +85 $9.80 @1k
    See All Clock and Data Recovery (8)

    Diagram
    MAX3676: Typical Operating Circuit
    Typical Operating Circuit

    Evaluation Kits
  • MAX3675EVKIT, MAX3676EVKIT

    Design Guides
  • Fiber (PDF)

    Reliability Reports
  • Reliability Report: MAX3676.pdf
  • Show FIT data for:

    Software/Models
  • MAX3676EHJ IBIS Model
  • MAX3676EHJ SPICE Input/Output Model

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-5 of 5

    MAX3676 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3676E/D    
    Active DICE SALES;NA pin;0 mm²

    Land Pattern: Not Applicable
    Use pkgcode/variation: DICE*
    See data sheet
    MAX3676EHJ  
    Active TQFP;32 pin;51.8 mm²
    Outline Drawing: 21-0110 (PDF)
    Land Pattern: 90-0149 (PDF)
    Use pkgcode/variation: H32-4F*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3676EHJ-T    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet
    MAX3676EHJ+  
    Active TQFP;32 pin;51.8 mm²
    Outline Drawing: 21-0110 (PDF)
    Land Pattern: 90-0149 (PDF)
    Use pkgcode/variation: H32+4F*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3676EHJ+T    
    Active TQFP;32 pin;51.8 mm²
    Outline Drawing: 21-0110 (PDF)
    Land Pattern: 90-0149 (PDF)
    Use pkgcode/variation: H32+4F*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  • New Product Press Release 1999-08-12 

    Related Products
    MAX3681 +3.3V, 622Mbps, SDH/SONET 1:4 Deserializer with LVDS Outputs
    MAX3665 622Mbps, Ultra-Low-Power, 3.3V Transimpedance Preamplifier for SDH/SONET
    MAX3680, MAX3680A +3.3V, 622Mbps, SDH/SONET 1:8 Deserializer with TTL Outputs

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    Document Ref.: 19-1537; Rev 4; 2009-03-02
    This page last modified: 2009-03-02


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