DS26503

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T1/E1/J1 BITS Element

Data Sheet (Rev. 6) Product Selection Table
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Part Details

  • G.703 2048kHz Synchronization Interface Compliant
  • G.703 6312kHz Japanese Synchronization Interface Compliant
  • Interfaces to Standard T1/J1 (1.544MHz) and E1 (2.048MHz)
  • Interface to CMI-Coded T1/J1 and E1
  • Short- and Long-Haul Line Interface
  • Transmit and Receive T1 and E1 SSM Messages with Message Validation
  • T1/E1 Jitter Attenuator with Bypass Mode
  • Fully Independent Transmit and Receive Functionality
  • Internal Software-Selectable Receive- and Transmit-Side Termination for 75Ω/100Ω/110Ω/120Ω
  • Monitor Mode for Bridging Applications
  • Accepts 16.384MHz, 12.8MHz, 8.192MHz, 4.096MHz, 2.048MHz, or 1.544MHz Master Clock
  • 8-Bit Parallel Control Port, Multiplexed or Nonmultiplexed, Intel or Motorola
  • Serial (SPI) Control Port
  • Hardware Control Mode
  • Provides LOS, AIS, and LOF Indications Through Hardware Output Pins
  • Fast Transmitter-Output Disable Through Device Pin for Protection Switching
  • IEEE® 1149.1 JTAG Boundary Scan
  • 3.3V Supply with 5V-Tolerant Inputs and Outputs
DS26503
T1/E1/J1 BITS Element
DS26503: Block Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Application Note 3

Design Note 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Product 2
DS26502
T1/E1/J1/64KCC BITS Element
DS2155
T1/E1/J1 Single-Chip Transceiver
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Tools & Simulations

IBIS Model 1

BSDL Model File 1

Evaluation Kits

DS26503DK

T1/E1/J1 BITS Element Design Kit

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Features and Benefits

  • Expedites New Designs by Eliminating First-Pass Prototyping
  • Demonstrates Key Functions of DS26503 BITS Element
  • Includes DS26503 BITS Element, Transformers, BNC, and RJ48 Network Connectors and Termination Passives
  • BNC Connections for 75Ω E1
  • Bantam and RJ48 Connectors for 120Ω E1 and 100Ω T1
  • Interface Directly to Windows-Based Computers
  • ChipView Software Provides Point-and-Click Access to the DS26503 Register Set
  • Software-Controlled (Register Mapped) Configuration Switches to Facilitate Clock and Signal Routing
  • All Equipment-Side Framer Pins are Easily Accessible for External Data Source/Sink
  • LEDs for Loss-of-Signal and Interrupt Status as well as Indications for Multiple Clock and Signal Routing Configurations
  • Easy-to-Read Silkscreen Labels Identify the Signals Associated with All Connectors, Jumpers, and LEDs

Product Details

The DS26503DK is an easy-to-use evaluation board for the DS26503 T1/E1/J1 BITS element. The DS26503DK is intended to be used as a stand-alone design kit. The board is complete with a DS26503 BITS element, transformers, termination resistors, FPGA-based configuration switches, and network connectors. Dallas' ChipView software gives pointand- click access to configuration and status registers from a Windows®-based PC. On-board LEDs indicate receive loss-of-signal and interrupt status as well as multiple clock and signal routing configurations.

Applications

  • Basic Transceiver
  • BITS Timing
  • Rate Conversion
DS26503DK
T1/E1/J1 BITS Element Design Kit

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