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DS26524
Quad T1/E1/J1 Transceiver

Low-Power, Low-Cost SCT Pin and Software Compatible with the Octal DS26528 and Makes Migration to Higher Ports Easy, Available in Lead-Free Packages


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Data Sheet
FULL DATA SHEET (PDF, 2.4MB)
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Errata
  • Errata DS26524 26524A3.pdf 
  • Errata DS26524 26524A4.pdf 
  • Description
    The DS26524 is a single-chip 4-port framer and line interface unit (LIU) combination for T1, E1, and J1 applications. Each channel is independently configurable, supporting both long-haul and short-haul lines.

    Key Features   Applications/Uses
    • Four Complete T1, E1, or J1 Long-Haul/Short-Haul Transceivers (LIU plus Framer)
    • Independent T1, E1, or J1 Selections for Each Transceiver
    • Internal Software-Selectable Transmit- and Receive-Side Termination for 100Ω T1 Twisted Pair, 110Ω J1 Twisted Pair, 120Ω E1 Twisted Pair, and 75Ω E1 Coaxial Applications
    • Crystal-Less Jitter Attenuator can be Selected for Transmit or Receive Path; Jitter Attenuator Meets ETS CTR 12/13, ITU-T G.736, G.742, G.823, and AT&T Pub 62411
    • External Master Clock can be Multiple of 2.048MHz or 1.544MHz for T1/J1 or E1 Operation; This Clock is Internally Adapted for T1 or E1 Usage in the Host Mode
    • Receive-Signal Level Indication from -2.5dB to -36dB in T1 Mode and -2.5dB to -44dB in E1 Mode in Approximate 2.5dB Increments
    • Transmit Open- and Short-Circuit Detection
    • LIU LOS in Accordance with G.775, ETS 300 233, and T1.231
    • Transmit Synchronizer
    • Flexible Signaling Extraction and Insertion Using Either the System Interface or Microprocessor Port
    • Alarm Detection and Insertion
    • T1 Framing Formats of D4, SLC-96, and ESF
    • J1 Support
    • E1 G.704 and CRC-4 Multiframe
    • T1-to-E1 Conversion

     
  • Channel Banks
  • Channel Service Units (CSUs)
  • Data Service Units (DSUs)
  • Muxes
  • Routers
  • Switches
  • T1/E1 Test Equipment

    Diagram
    DS26524: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  • Application Note 301: Legacy T1/E1 8MHz Backplane Operation - DS26524
  • Application Note 309: Interfacing to the Fractional T1 and E1 - DS26524
  • Application Note 351: T1/E1 and T3/E3 Transformer Selection Guide - DS26524
  • Application Note 561: Tech Brief 7: DS2152 and DS2154 8MHz System Clock Operation - DS26524
  • Application Note 3718: DS26528 and DS26524 Transmit Pulse Control - DS26524
  • Application Note 3827: Initialization and Configuration of the DS26528 Transceiver - DS26524
  • Application Note 3968: How to Use the Bit-Error-Rate Tester (BERT) on the DS2652x STCs - DS26524

    Evaluation Kits
    none

    Design Guides
  • COMMUNICATIONS (PDF)

    Reliability Reports
  • Reliability Report: DS26524.pdf

    Software/Models
  • DS26524CSBGA BSDL Model
  • DS26524 BSDL 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: 1-8 of 8

    DS26524 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    DS26524GA5  
    CSBGA;256 pin;
    Dwg: 56-G6028-001
    Use pkgcode/variation: X256T-1*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    DS26524GNA5  
    CSBGA;256 pin;
    Dwg: 56-G6028-001
    Use pkgcode/variation: X256T-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    DS26524G  
    CSBGA;256 pin;
    Dwg: 56-G6028-001
    Use pkgcode/variation: X256T-1*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    DS26524GN  
    CSBGA;256 pin;
    Dwg: 56-G6028-001
    Use pkgcode/variation: X256T-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    DS26524G+  
    TCBGA;256 pin;
    Dwg: 56-G6028-001
    Use pkgcode/variation: X256T+1*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    DS26524GA5+  
    TCBGA;256 pin;
    Dwg: 56-G6028-001
    Use pkgcode/variation: X256T+1*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    DS26524GN+  
    TCBGA;256 pin;
    Dwg: 56-G6028-001
    Use pkgcode/variation: X256T+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    DS26524GNA5+  
    TCBGA;256 pin;
    Dwg: 56-G6028-001
    Use pkgcode/variation: X256T+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
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    Related Products
    DS2155 T1/E1/J1 Single-Chip Transceiver
    DS26528 Octal T1/E1/J1 Transceiver
    DS21455, DS21458 Quad T1/E1/J1 Transceivers

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    Document Ref.: xxxx; 2007-12-05
    This page last modified: 2007-12-05



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