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Maxim > Products > [T/E Carrier and Packetized Communications] 
DS31256
256-Channel, High-Throughput HDLC Controller

256-Channel HDLC Controller Capable of Handling Up to 60 T1 or 64 E1 Data Streams or Two T3 Data Streams

Not Recommended for New Designs
Part Number Replacement Explanation
DS31256 n/a This part remains available but is not recommended for new designs.
DS31256+ n/a
DS31256B n/a


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Data Sheet
FULL DATA SHEET (PDF, 1.2MB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Errata
  • Errata DS31256 31256B2.pdf 
  • Errata DS31256 31256A2.pdf 

    • Application Notes
  		• Application Note 390: DS31256 and T1/E1 Interface - DS31256
  		• Application Note 392: DS31256 Gapped Clock Applications - DS31256
  		• Application Note 399: DS31256 Loopback Modes - DS31256
  		• Application Note 2867: Initialization Steps for the DS31256 - DS31256
  		• Application Note 2871: DS31256 HDLC Controller Step-by-Step Configuration—Configuration Mode - DS31256
  		• Application Note 2872: DS31256 HDLC Controller Step-by-Step Configuration—Bridge Mode - DS31256
  		• Application Note 3071: Internal Test Registers for the DS31256 - DS31256
  		• Application Note 3259: DS31256 -- Example Code for Registers Dump - DS31256
  		• Application Note 3344: DS31256 -- T3/E3 MUX/DS3112 Hardware Connections - DS31256
  		• Application Note 3345: Examples of DS31256 Applications - DS31256
  		• Application Note 3347: DS31256 Unchannelized T3/E3/HSSI/VDSL Port Configuration for Bridge Mode Applications - DS31256
  		• Application Note 3475: DS31256 PCI Bus Utilization - DS31256
  		• Application Note 3760: Interleaved Bus Operation - DS31256
  		• Application Note 3818: Enabling Fractional-T1(FT1) Loopback Detection on the DS31256 - DS31256

    Evaluation Kits
    none

    Design Guides
  		• Communications (PDF)

    Reliability Reports
  		• Reliability Report: DS31256.pdf

    Software/Models
  		• DS31256_B1 BSDL Model
  		• DS31256_B2V BSDL Model
  		• DS31256 BSDL Model
  		• DS31256_A2 BSDL Model
  		• DS31256_B2 BSDL Model
  		• DS31256 Cadence Concept Symbol
  		• DS31256 Logical Symbol-XML Format
  		• DS31256 IBIS Model

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    2006-01-27
    This page last modified: 2008-04-09


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