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4.25Gbps 16 × 16 Digital Crosspoint Switch

Model: ADN4604

  • DC to 4.25Gbps per port NRZ data rate
  • Programmable receive equalization
  • 12dB boost at 2GHz
  • Compensates 40 inches of FR4 at 4.25Gbps
  • Programmable transmit preemphasis/deemphasis
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The ADN4604 is a 16 × 16 asynchronous, protocol agnostic, digital crosspoint switch, with 16 differential PECL-/CML-compatible inputs and 16 differential CML outputs.

The ADN4604 is optimized for nonreturn-to-zero (NRZ) sig-naling with data rates of up to 4.25 Gbps per port. Each port offers a fixed level of input equalization and programmable output swing and output preemphasis.

The ADN4604 nonblocking switch core implements a 16 × 16 crossbar and supports independent channel switching through the serial control interface. The ADN4604 has low latency and very low channel-to-channel skew.

An I2C® or SPI interface is used to control the device and pro-vide access to advanced features, such as additional levels of preemphasis and output disable.

The ADN4604 is packaged in a 100-lead TQFP package and operates from -40°C to +85°C.
  • DC to 4.25Gbps per port NRZ data rate
  • Programmable receive equalization
  • 12dB boost at 2GHz
  • Compensates 40 inches of FR4 at 4.25Gbps
  • Programmable transmit preemphasis/deemphasis
  • Up to 12dB boost at 4.25Gbps
  • Compensates 40 inches of FR4 at 4.25Gbps
  • 16 × 16, fully differential, nonblocking array
  • Double rank connection programming with dual connection maps
  • Low jitter, typically 20ps
  • Flexible I/O supply range
  • DC- or ac-coupled differential CML inputs
  • Programmable CML output levels
  • Per-lane input P/N pair inversion for routing ease
  • 50 ohms on-chip I/O termination
  • Supports 8b/10b, scrambled or uncoded NRZ data
  • Serial (I2C slave or SPI) control interface
  • 100-lead TQFP, Pb-free package
  • Applications:
    • Fiber optic network switching
    • High speed serial backplane routing to OC-48 with FEC
    • XAUI 10GBASE-KX4
    • Gigabit Ethernet over backplane 1000BASE-KX
    • 1×, 2×, and 4× Fibre Channel
    • InfiniBand®
    • Digital video
 
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