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MAX4888A, MAX4889A
5.0Gbps PCI Express Passive Switches

High-Speed PCI Express Passive Switches Enable Gen II Switching


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 240kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail


Description
The MAX4888A/MAX4889A high-speed passive switches route PCI Express® (PCIe) data between two possible destinations. The MAX4888A is a quad single-pole/double-throw (4 x SPDT) switch ideally suited for switching two half lanes of PCIe data between two destinations. The MAX4889A is an octal single-pole/double-throw (8 x SPDT) switch ideal for switching four half lanes of PCIe data between four destinations. The MAX4888A/MAX4889A feature a single digital control input (SEL) to switch signal paths.

The MAX4888A/MAX4889A are fully specified to operate from a single +3.0V to +3.6V power supply††. The MAX4888A is available in a 3.5mm x 5.5mm, 28-pin TQFN package. The MAX4889A is available in a 3.5mm x 9.0mm, 42-pin TQFN package. Both devices operate over the -40°C to +85°C temperature range.

An evaluation kit is available:  MAX4889AEVKIT  

Key Features   Applications/Uses
  • Single +3.0V to +3.6V Power-Supply Voltage
  • Low Same-Pair Skew of 7ps
  • Low 120µA (Max) Quiescent Current
  • Supports PCIe Gen I and Gen II Data Rates
  • Flow-Through Pin Configuration for Ease of Layout
  • Industry-Compatible Pinout
  • Lead-Free Packaging

 
  • Desktop Computers
  • Laptops
  • Servers/Storage Area Networks

    Key Specifications:  Switches and Multiplexers (Low Voltage)
    Part Number Protocol Functions Config. Channels Normal Position VSUPPLY (Single)
    (V)
    VSUPPLY (Single)
    (V)
    RON
    (Ω)
    BW
    (MHz)
    IL(OFF)
    (nA)
    tON
    (ns)
    tOFF
    (ns)
    CON
    (pF)
    COFF
    (pF)
    Price
    min max max max min max max max See Notes
    MAX4888A  PCIe Switch SPDT 4 Bi-Directional 1.6 3.6 8.4 5000 1000 250 50 2 1 $1.55 @1k
    MAX4889A  8 $1.95 @1k
    See All Switches and Multiplexers (Low Voltage) (160)

    Diagram
    MAX4888A, MAX4889A: Typical Application Circuit
    Typical Application Circuit

    Evaluation Kits
  • MAX4889AEVKIT

    Design Guides
  • Signal Routing & Protection (PDF)

    Reliability Reports
  • Reliability Report: MAX4889A.pdf
  • Show FIT data for:
  • Request Reliability Report for:

    Software/Models
  • MAX4889A Macromodel

    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: 1-8 of 8

    MAX4888A Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4888AETI    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet
    MAX4888AETI+T    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet
    MAX4888AETI-T    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet
    MAX4888AETI+  
    Active TQFN;28 pin;20.2 mm²
    Outline Drawing: 21-0184 (PDF)
    Land Pattern: 90-0123 (PDF)
    Use pkgcode/variation: T283555+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4889A Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4889AETO    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet
    MAX4889AETO-T    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet
    MAX4889AETO+  
    Active TQFN;42 pin;32.8 mm²
    Outline Drawing: 21-0181 (PDF)
    Land Pattern: 90-0079 (PDF)
    Use pkgcode/variation: T423590M+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4889AETO+T    
    Active TQFN;42 pin;32.8 mm²
    Outline Drawing: 21-0181 (PDF)
    Land Pattern: 90-0079 (PDF)
    Use pkgcode/variation: T423590M+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  • New Product Press Release 2008-04-07 

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     Description 
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    Document Ref.: 19-0770; Rev 2; 2009-09-23
    This page last modified: 2009-09-23


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