DS26303

3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit

Data Sheet (Rev. 4)
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Part Details

  • 8 Complete E1, T1, or J1 Short-Haul Line Interface Units
  • Independent E1, T1, or J1 Selections
  • Internal Software-Selectable Transmit and Receive-Side Termination
  • Crystal-Less Jitter Attenuator
  • Selectable Single-Rail and Dual-Rail Mode and AMI or HDB3/B8ZS Line Encoding and Decoding
  • Detection and Generation of AIS
  • Digital/Analog Loss-of-Signal Detection as per T1.231, G.775, and ETS 300 233
  • External Master Clock can be Multiple of 2.048MHz or 1.544MHz for T1/J1 or E1 Operation; This Clock will be Internally Adapted for T1 or E1 Use
  • Built-In BERT Tester for Diagnostics
  • 8-Bit Parallel Interface Support for Intel or Motorola Mode or a 4-Wire Serial Interface
  • Hardware Mode Interface Support
  • Transmit Short-Circuit Protection
  • G.772 Nonintrusive Monitoring
  • Specification Compliance to the Latest T1 and E1 Standards—ANSI T1.102, AT&T Pub 62411, T1.231, T1.403, ITU-T G.703, G.742, G.775, G.823, ETS 300 166, and ETS 300 233
  • Single 3.3V Supply with 5V Tolerant I/O
  • JTAG Boundary Scan as per IEEE 1149.1
  • 144-Pin eLQFP Package
DS26303
3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26303: Functional Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Application Note 1

Design Note 4

Technical Articles 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Product 2
DS26324
3.3V, 16-Channel, E1/T1/J1 Short-Haul Line Interface Unit
DS21448
3.3V E1/T1/J1 Quad Line Interface
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Tools & Simulations

BSDL Model File 3

Evaluation Kits

DS26303DK

3.3V, E1/T1/J1, Short-Haul, Octal LIU Design Kit

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Features and Benefits

  • Expedites New Designs by Eliminating First- Pass Prototyping
  • Demonstrates Key Functions of the DS26303
  • Includes DS26303 x 8-Port LIU, Transformers, 75Ω BNC Connectors, RJ-48 Connectors, and Termination Passives
  • Communicates Directly with any PC with a USB or RS-232 Serial Interface
  • High-Level Windows®-Based Software Provides Visual Access to All Registers
  • Software-Controlled (Register) Mapped Configuration Switches Facilitate Real-Time Clock and Signal Routing
  • Precision Test Points for All Clocks and Signals
  • On-Board T1 and E1 Crystal Oscillators for Stable Clock Generation
  • On-Board BERT for Testing and Pattern Generation

    • Product Details

    The DS26303DK is a fully integrated design kit for the DS26303 3.3V, 8-port, E1/T1/J1 line interface unit (LIU). This design kit contains all the necessary circuitry to evaluate the DS26303 in all modes of operation. The design kit also includes an on-board microprocessor to run real-time code for further part evaluation.

    Applications

    • ATM and Frame Relay Equipment
    • E1/T1/J1 LAN/WAN Routers
    • E1/T1/J1 Multiplexer and Channel Banks
    • ISDN Primary Rate Interface
    • T1 Digital Cross-Connects
    • Wireless Base Stations
    DS26303DK
    3.3V, E1/T1/J1, Short-Haul, Octal LIU Design Kit

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