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DS26401
Octal T1/E1/J1 Framer


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Description
FULL DATA SHEET (PDF, 1.6MB)
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The DS26401 is an octal, software-selectable T1, E1, or J1 framer. It is composed of 8 framer/formatters and a system (backplane) interface. Each framer has an HDLC controller that can be mapped to any DS0 or FDL (T1)/Sa (E1) bit. The DS26401 also includes a full-feature BERT device, which can be used with any of the 8 T1/E1 ports, and an internal clock adapter useful for creating synchronous, high-frequency backplane timing. The DS26401 is controlled through an 8-bit parallel port that can be configured for nonmultiplexed Intel or Motorola operation.

Key Features   Applications/Uses
  • 8 Independent, Full-Featured T1/E1/J1 Framers/Formatters
  • Independent Transmit and Receive Paths
  • Flexible Signaling Extraction and Insertion
  • Alarm Detection and Insertion
  • Transmit Synchronizer
  • AMI, B8ZS, HDB3, NRZ Line Coding
  • Performance Monitor Counters
  • BOC Message Controller (T1)
  • Two-Frame Elastic Store Buffers for Each Transmitter and Receiver
  • One HDLC Controller per Framer
  • RAI-CI and AIS-CI Support
  • Full-Feature BERT can be Mapped to Any Port
  • Flexible TDM Backplane Supports Bus Rates from 1.544MHz to 16.384MHz
  • Internal Clock Generator (CLAD) Supplies 16.384MHz, 8.192MHz, 4.096MHz, or 2.048MHz
  • JTAG Test Port
  • Single 3.3V Supply with 5V Tolerant Inputs
  • 17mm x 17mm, 256-Pin BGA (1.00mm Pitch)

 
  • Add/Drop Multiplexers
  • Automatic Teller Machine Systems
  • Central Office Equipment
  • Customer Premise Equipment
  • DSLAM Backplane
  • IMA
  • Line Cards
  • PBXs
  • Routers/Switches
  • Routers/Switches
  • Timing Systems
  • WAN Interface

    Key Specifications:   T/E Carrier & Packetized Products
    Part Number Transmission Standard Functions Number of Channels 5V-Tolerant I/O Supply Voltage (V) EV-Kit RoHS Available Package Smallest Available Package (max w/pins) (mm2) Price**
    DS26401  T1/E1/J1
    Framer
    8 Yes 3.3 Yes Yes CSBGA/256 289 $31.98 @ 1k
    See All T/E Carrier & Packetized Products (96)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

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    2003-07-29
    This page last modified: 2007-08-15



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