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DS21Q55, DS21Q55N
Quad T1/E1/J1 Transceiver


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Data Sheet
FULL DATA SHEET (PDF, 1.4MB)
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Errata
  • Errata DS21Q55 21Q55B1.pdf 
  • Application Notes
  • Application Note 319: DS2152, DS2154, DS21x5Y, and DS2155 Interfacing to the MC68360 (QUICC32) - DS21Q55
  • Application Note 336: Transparent Operation on T1, E1 Framers and Transceivers - DS21Q55, DS21Q55
  • Application Note 340: DS2153 Programming, ETS 300-011 Remote Alarm Generation - DS21Q55
  • Application Note 345: DS21352/552, DS2151, DS2152, DS2141A, DS21Q42 Programming SLC-96 - DS21Q55
  • Application Note 351: T1/E1 and T3/E3 Transformer Selection Guide - DS21Q55
  • Application Note 374: DS2155 vs. DS21x5y: Software and Hardware Considerations - DS21Q55
  • Application Note 382: J1 Japanese Standards - DS21Q55
  • Application Note 389: DS2155 Internal BERT Programming - DS21Q55
  • Application Note 390: DS31256 and T1/E1 Interface - DS21Q55
  • Application Note 391: NRZ Applications - DS21Q55
  • Application Note 394: HDLC Configuration of Framers and Transceivers - DS21Q55
  • Application Note 396: Design Migration from DS21Q55 to DS21Q50 or DS21Q59 - DS21Q55
  • Application Note 397: Pulse Template Measurement - DS21Q55
  • Application Note 400: DS2155 Monitor Mode Design - DS21Q55
  • Application Note 401: Extended System Information Bus (ESIB) Control Application - DS21Q55
  • Application Note 403: DS2155 and DS26401 Software Comparison - DS21Q55
  • Application Note 405: Power-Fault Protection Layout - DS21Q55
  • Application Note 406: DS21Qx5y BSDL Scan Chain Mapping - DS21Q55
  • Application Note 461: Programming and Controlling the FDL on DS2141A, DS2151 - DS21Q55
  • Application Note 1797: Measuring Telecom Systems Against a Pulse Mask Template - DS21Q55
  • Application Note 2713: Switching Frame Mode In Live T1 Systems - DS21Q55
  • Application Note 2731: DS2155, DS21Q55, DS2156 Programming SLC-96 - DS21Q55, DS21Q55
  • Application Note 3121: Selecting a T1/E1/J1 Single-Chip Transceiver - DS21Q55
  • Application Note 3208: Elastic Store Operation - DS21Q55
  • Application Note 3345: Examples of DS31256 Applications - DS21Q55
  • Application Note 3349: T1/E1 Loopback Operation for Dallas Semiconductor T1/E1/J1 transceivers - DS21Q55
  • Application Note 3610: DS21458 Quad and DS26528 Octal Transceiver Software Comparison - DS21Q55
  • Application Note 3686: DS2155 and DS26521 Software Comparison - DS21Q55

    Evaluation Kits
  • DS21Q55DK

    Design Guides
  • COMMUNICATIONS (PDF)

    Reliability Reports
  • Reliability Report: DS21Q55.pdf
  • Request Reliability Report for:

    Software/Models
  • DS21Q55 BSDL Model
  • DS21Q55 Cadence Allegro Symbol
  • DS21Q55 Cadence Concept Symbol
  • DS21Q55 Logical Symbol-XML Format

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    Document Ref.: xxxx; 2004-04-23
    This page last modified: 2007-06-29



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