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DS92LX1622

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10-MHz to 50-MHz DC-balanced Channel Link III deserializer with bi-directional control channel

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Data sheet

DS92LX1622

ACTIVE
Data sheet Order now

Product details

Protocols Catalog Rating Catalog Operating temperature range (°C) -40 to 85
Protocols Catalog Rating Catalog Operating temperature range (°C) -40 to 85
WQFN (RTA) 40 36 mm² 6 x 6
  • Configurable Data Throughput
    • 12–bit (min) up to 600 Mbits/sec
    • 16–bit (def) up to 800 Mbits/sec
    • 18–bit (max) up to 900 Mbits/sec
  • 10 MHz to 50 MHz Input Clock Support
  • Embedded Clock with DC Balanced Coding to
    Support AC-Coupled Interconnects
  • Capable to Drive up to 10 Meters Shielded
    Twisted-Pair
  • Bi-Directional Control Interface Channel with
    I2C Support
  • I2C Interface for Device
    Configuration. Single-pin ID Addressing
  • 16–bit Data Payload with CRC (Cyclic
    Redundancy Check) for Checking Data Integrity
    with Programmable Data Transmission Error
    Detection and Interrupt Control
  • Up to 6 Programmable GPIO’s
  • AT-SPEED BIST Diagnosis Feature to Validate
    Link Integrity
  • Individual Power-Down Controls for Both SER
    and DES
  • User-Selectable Clock Edge for Parallel Data
    on Both SER and DES
  • Integrated Termination Resistors
  • 1.8V- or 3.3V-Compatible Parallel Bus Interface
  • Single Power Supply at 1.8V
  • IEC 61000–4–2 ESD Compliant
  • No Reference Clock Required on Deserializer
  • Programmable Receive Equalization
  • LOCK Output Reporting Pin to Ensure Link
    Status
  • EMI/EMC Mitigation
    • DES Programmable Spread Spectrum (SSCG)
      Outputs
    • DES Receiver Staggered Outputs
  • Temperature Range −40°C to +85°C
  • SER Package: 32 Pin WQFN (5mm × 5mm)
  • DES Package: 40 Pin WQFN (6mm × 6mm)
  • Configurable Data Throughput
    • 12–bit (min) up to 600 Mbits/sec
    • 16–bit (def) up to 800 Mbits/sec
    • 18–bit (max) up to 900 Mbits/sec
  • 10 MHz to 50 MHz Input Clock Support
  • Embedded Clock with DC Balanced Coding to
    Support AC-Coupled Interconnects
  • Capable to Drive up to 10 Meters Shielded
    Twisted-Pair
  • Bi-Directional Control Interface Channel with
    I2C Support
  • I2C Interface for Device
    Configuration. Single-pin ID Addressing
  • 16–bit Data Payload with CRC (Cyclic
    Redundancy Check) for Checking Data Integrity
    with Programmable Data Transmission Error
    Detection and Interrupt Control
  • Up to 6 Programmable GPIO’s
  • AT-SPEED BIST Diagnosis Feature to Validate
    Link Integrity
  • Individual Power-Down Controls for Both SER
    and DES
  • User-Selectable Clock Edge for Parallel Data
    on Both SER and DES
  • Integrated Termination Resistors
  • 1.8V- or 3.3V-Compatible Parallel Bus Interface
  • Single Power Supply at 1.8V
  • IEC 61000–4–2 ESD Compliant
  • No Reference Clock Required on Deserializer
  • Programmable Receive Equalization
  • LOCK Output Reporting Pin to Ensure Link
    Status
  • EMI/EMC Mitigation
    • DES Programmable Spread Spectrum (SSCG)
      Outputs
    • DES Receiver Staggered Outputs
  • Temperature Range −40°C to +85°C
  • SER Package: 32 Pin WQFN (5mm × 5mm)
  • DES Package: 40 Pin WQFN (6mm × 6mm)

The DS92LX1621 / DS92LX1622 chipset offers a Channel Link III interface with a high-speed forward channel and a full-duplex back channel for data transmission over a single differential pair. The Serializer/Deserializer pair is targeted for direct connections between automotive camera systems and Host Controller/Electronic Control Unit (ECU). The primary transport sends 16 bits of image data over a single high-speed serial stream together with a low latency bi-directional control channel transport that supports I2C. Included with the 16-bit payload is a selectable data integrity option for CRC (Cyclic Redundancy Check) or parity bit to monitor transmission link errors. Using TI’s embedded clock technology allows transparent full-duplex communication over a single differential pair, carrying asymmetrical bi-directional control information without the dependency of video blanking intervals. This single serial stream simplifies transferring a wide data bus over PCB traces and cable by eliminating the skew problems between parallel data and clock paths. This significantly saves system cost by narrowing data paths that in turn reduce PCB layers, cable width, and connector size and pins.

In addition, the Deserializer inputs provide equalization control to compensate for loss from the media over longer distances. Internal DC balanced encoding/decoding is used to support AC-Coupled interconnects.

The sleep function provides a power-savings mode and a remote wake up interrupt for signaling of a remote device.

The Serializer is offered in a 32-pin WQFN package, and Deserializer is offered in a 40-pin WQFN package.

The DS92LX1621 / DS92LX1622 chipset offers a Channel Link III interface with a high-speed forward channel and a full-duplex back channel for data transmission over a single differential pair. The Serializer/Deserializer pair is targeted for direct connections between automotive camera systems and Host Controller/Electronic Control Unit (ECU). The primary transport sends 16 bits of image data over a single high-speed serial stream together with a low latency bi-directional control channel transport that supports I2C. Included with the 16-bit payload is a selectable data integrity option for CRC (Cyclic Redundancy Check) or parity bit to monitor transmission link errors. Using TI’s embedded clock technology allows transparent full-duplex communication over a single differential pair, carrying asymmetrical bi-directional control information without the dependency of video blanking intervals. This single serial stream simplifies transferring a wide data bus over PCB traces and cable by eliminating the skew problems between parallel data and clock paths. This significantly saves system cost by narrowing data paths that in turn reduce PCB layers, cable width, and connector size and pins.

In addition, the Deserializer inputs provide equalization control to compensate for loss from the media over longer distances. Internal DC balanced encoding/decoding is used to support AC-Coupled interconnects.

The sleep function provides a power-savings mode and a remote wake up interrupt for signaling of a remote device.

The Serializer is offered in a 32-pin WQFN package, and Deserializer is offered in a 40-pin WQFN package.
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Technical documentation

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Type Title Date
* Data sheet DS92LX1621/1622 10-50MHz DC-Balanced Ch Link III SER/DES w/Bidirectional Ctrl Ch datasheet (Rev. I) 21 Jan 2014
Application note High-Speed Layout Guidelines for Reducing EMI for LVDS SerDes Designs 09 Nov 2018
Application note DS15BA101 & DS15EA101 Enable Long Reach Applications for Embedded Clock SER/DES (Rev. E) 29 Apr 2013
User guide LX16EVK01 Channel Link III Ser/Des Evaluation Kit User Guide 25 Jan 2012
Application note Go the Distance: Industrial SerDes with Embedded Clock and Control 20 Oct 2010

Design & development

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Evaluation board

LX16EVK01 — LX16EVK01 Evaluation Kit

The LX16EVK01 is an evaluation kit designed to demonstrate the performance and capabilities of the DS92LX1621 and DS92LX1622 Channel Link III Serializer/Deserializer chipset.

The DS92LX1621 serializer board accepts LVCMOS input signals for the high speed forward channel and provides additional (...)
User guide: PDF
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Simulation model

DS92LX1622 IBIS Model

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TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
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