Overview

Features and Benefits

  • Single lane 2:1 mux/1:2 demux
  • 3.2 Gbps to dc data rates
  • Compensates over 40 inches of FR4 at 3.2 Gbps through
    Two levels of input equalization, or
    Four levels of output pre-emphasis
  • Operates with ac- or dc-coupled differential I/O
  • Low deterministic jitter, typically 16 ps p-p
  • Low random jitter, typically 500 fs rms
  • On-chip terminations
  • Unicast or bicast on 1:2 demux function
  • Loopback capability on all ports
  • 3.3 V core supply
  • Flexible I/O supply
  • Low power, typically 200 mW in basic configuration
  • 32-lead LFCSP package
  • −40°C to +85°C operating temperature range

Product Details

The AD8153 is an asynchronous, protocol agnostic, single-lane 2:1 switch with three differential CML inputs and three differential CML outputs. The AD8159, another member of the Xstream line of products, is suitable for similar applications that require more than one lane.

The AD8153 is optimized for NRZ signaling with data rates of up to 3.2 Gbps per port. Each port offers two levels of input equalization and four levels of output pre-emphasis.

The device consists of a 2:1 multiplexer and a 1:2 demultiplexer. There are three operating modes: pin mode, serial mode, and mixed mode. In pin mode, lane switching, equalization, and pre-emphasis are controlled exclusively using external pins. In serial mode, an I2C interface is used to control the device and to provide access to advanced features, such as additional pre- emphasis settings and output disable. In mixed mode, the user accesses the advanced features using I2C, but controls lane switching using the external pins.

The main application of the AD8153 is to support redundancy on both the backplane side and the line interface side of a serial link. The device has unicast and bicast capability, so it is capable of supporting either 1 + 1 or 1:1 redundancy.

Using a mixture of bicast and loopback modes, the AD8153 can also be used to test high speed serial links by duplicating the incoming data and transmitting it to the destination port and test equipment simultaneously.

Applications

  • Low cost redundancy switch
  • SONET OC48/SDH16 and lower data rates
  • Gigabit Ethernet over backplane
  • Fibre Channel 1.06 Gbps and 2.12 Gbps over backplane
  • Serial RapidIO
  • PCI Express Gen 1
  • Infiniband over backplane
  • Data Sheet, Rev. 0, 4/07

    Product Lifecycle icon-recommended Production

    At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

    Evaluation Kits (1)

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    ADIsimPE Linear and Mixed-Signal Circuit Simulator – Personal Edition

    ADIsimPE, which is powered by SIMetrix/SIMPLIS, is a circuit simulation suite optimized for the design and development of analog and mixed signal circuits. SIMetrix mode is ideal for the simulation of general non-switching circuits. It provides full Pspice compatibility for use with industry-standard SPICE models. SIMPLIS (SIMulation Piecewise-Linear System) mode simulates the operation of switching circuits with vastly improved robustness, speed, and accuracy compared to standard SPICE. It is particularly useful for switching power supply, PLLs, and ADC/DAC applications.

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    Evaluation Boards Pricing displayed is based on 1-piece.
    Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.