DS3254

Single/Dual/Triple/Quad DS3/E3/STS-1 LIUs

Data Sheet (Rev. 2)
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Part Details

  • Pin-Compatible Family of Products
  • Each Port Independently Configurable
  • Receive Clock and Data Recovery for up to 380 meters (DS3), 440 meters (E3), or 360 meters (STS-1) of 75Ω Coaxial Cable
  • Standards-Compliant Transmit Waveshaping
  • Three Control Interface Options: 8-Bit Parallel, SPI, and Hardware Mode
  • Built-In Jitter Attenuators can be Placed in Either the Receive or Transmit Paths
  • Jitter Attenuators Have Provisionable Buffer Depth: 16, 32, 64, or 128 Bits
  • Built-In Clock Adapter Generates All Line-Rate Clocks from a Single Input Clock (DS3, E3, STS-1, OC-3, 19.44MHz, 38.88MHz, 77.76MHz)
  • B3ZS/HDB3 Encoding and Decoding
  • Minimal External Components Required
  • Local and Remote Loopbacks
  • Low-Power 3.3V Operation (5V Tolerant I/O)
  • Industrial Temperature Range: -40°C to +85°C
  • Small Package: 144-Pin, 13mm x 13mm Thermally Enhanced CSBGA
  • Drop-In Replacement for DS3151/DS3152/DS3153/DS3154 LIUs
  • IEEE 1149.1 JTAG Support
    • DS3254
    Single/Dual/Triple/Quad DS3/E3/STS-1 LIUs
    DS3251, DS3252, DS3253, DS3254: Functional Diagram
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    Documentation

    Data Sheet 1

    Reliability Data 1

    Application Note 1

    Design Note 2

    Technical Articles 4

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    Tools & Simulations

    BSDL Model File 1

    IBIS Model 1

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