DS92LV2411 5-50MHz 24-Bit Channel Link II Serializer | TI.com

DS92LV2411
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5-50MHz 24-Bit Channel Link II Serializer

 

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Description

The DS92LV2411 (Serializer) and DS92LV2412 (Deserializer) chipset translates a parallel 24–bit LVCMOS data interface into a single high-speed CML serial interface with embedded clock information. This single serial stream eliminates skew issues between clock and data, reduces connector size and interconnect cost for transferring a 24-bit, or less, bus over FR-4 printed circuit board backplanes, differential or coax cables.

In addition to the 24-bit data bus interface, the DS92LV2411/12 also features a 3-bit control bus for slow speed signals. This allows implementing video and display applications with up to 24–bits per pixel (RGB888).

Programmable transmit de-emphasis, receive equalization, on-chip scrambling and DC balancing enables long distance transmission over lossy cables and backplanes. The DS92LV2412 automatically locks to incoming data without an external reference clock or special sync patterns, providing easy “plug-and-go” or “hot plug” operation. EMI is minimized by the use of low voltage differential signaling, receiver drive strength control, and spread spectrum clocking capability.

The DS92LV2411/12 chipset is programmable though an I2C interface as well as through Pins. A built-in AT-SPEED BIST feature validates link integrity and may be used for system diagnostics.

The DS92LV2411 is offered in a 48-Pin WQFN and the DS92LV2412 is offered in a 60-Pin WQFN package. Both devices operate over the full industrial temperature range of –40°C to +85°C.

Features

  • 24-Bit Data, 3–Bit Control, 5 to 50 MHz Clock
  • Application Payloads up to 1.2 Gbps
  • AC Coupled Interconnects: STP up to 10 m or
    Coax 20+m
  • 1.8 V or 3.3 V Compatible LVCMOS I/O Interface
  • Integrated Terminations on Ser and Des
  • AT-SPEED BIST Mode and Reporting Pin
  • Configurable by Pins or I2C Compatible Serial
    Control Bus
  • Power Down Mode Minimizes Power Dissipation
  • >8 kV HBM ESD Rating
  • SERIALIZER — DS92LV2411
    • Supports Spread Spectrum Clocking (SSC) on
      Inputs
    • Data Scrambler for Reduced EMI
    • DC-Balance Encoder for AC Coupling
    • Selectable Output VOD and Adjustable
      De-emphasis
  • DESERIALIZER — DS92LV2412
    • Random Data Lock; no Reference Clock
      Required
    • Adjustable Input Receiver Equalization
    • LOCK (Real Time Link Status) Reporting Pin
    • Selectable Spread Spectrum Clock Generation
      (SSCG) and Output Slew Rate Control (OS) to
      Reduce EMI

Parametrics

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Part number Order Function Protocols Parallel bus width (bits) Signaling rate (Mbps) Input signal Output signal Package Group Operating temperature range (C) Rating
DS92LV2411 Order now Serializer     Channel-Link II     24     1200     LVCMOS     CML     WQFN | 48     -40 to 85     Catalog    
DS92LV0411 Order now Serializer     Channel-Link II     24     1200     LVDS     CML       -40 to 85     Catalog    
DS92LV0412 Order now Deserializer     Channel-Link II     24     1200     CML     LVDS     WQFN | 48     -40 to 85     Catalog    
DS92LV2412 Order now Deserializer     Channel-Link II     24     1200     CML     LVCMOS     WQFN | 60     -40 to 85     Catalog    
DS92LV2421 Order now Serializer     Channel-Link II     24     1800     LVCMOS     CML     WQFN | 48     -40 to 85     Catalog    
DS92LV2422 Order now Deserializer     Channel-Link II     24     1800     CML     LVCMOS     WQFN | 60     -40 to 85     Catalog