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25-100MHz 10/12-Bit FPD-Link III Deserializer

DS90UB914A-Q1

ACTIVE

Product details

Parameters

Function Deserializer Input compatibility FPD-Link III LVDS Output compatibility LVCMOS Color depth (bpp) 12 Pixel clock frequency (Min) (MHz) 25 Pixel clock frequency (Max) (MHz) 100 Throughput (Mbps) 1200 Rating Automotive Features CRC, I2C Config, 4 GPIO, Pattern Generation, Coax or STP Signal conditioning Adaptive Equalizer EMI reduction LVDS, SSCG, Staggered Outputs Diagnostics BIST Operating temperature range (C) -40 to 105 open-in-new Find other Camera SerDes

Package | Pins | Size

WQFN (RHS) 48 49 mm² 7 x 7 open-in-new Find other Camera SerDes

Features

  • Qualified for automotive applications AEC-Q100
    • Device temperature grade 2: –40℃ to +105℃ ambient operating temperature range
    • Device HBM ESD classification level ±8kV
    • Device CDM ESD classification level C6
  • 25-MHz to 100-MHz Input Pixel Clock Support
  • Programmable data payload:
    • 10-bit Payload up to 100-MHz
    • 12-bit Payload up to 75-MHz
  • Continuous low latency bidirectional control interface channel with I2C support at 400-kHz
  • 2:1 Multiplexer to choose between two input images
  • Capable of receiving over 15-m coaxial or 20-m shielded twisted-pair cables
  • Robust Power-Over-Coaxial (PoC) operation
  • Receive equalizer automatically adapts for changes in cable loss
  • LOCK output reporting pin and @SPEED BIST diagnosis feature to validate link integrity
  • Single power supply at 1.8-V
  • ISO 10605 and IEC 61000-4-2 ESD compliant
  • EMI/EMC mitigation with programmable spread spectrum (SSCG) and receiver staggered outputs

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Description

The DS90UB914A-Q1 device offers an FPD-Link III interface with a high-speed forward channel and a bidirectional control channel for data transmission over a single coaxial cable or differential pair. The DS90UB914A-Q1 device incorporates differential signaling on both the high-speed forward channel and bidirectional control channel data paths. The deserializer is targeted for connections between imagers and video processors in an ECU (Electronic Control Unit). This device is ideally suited for driving video data requiring up to 12-bit pixel depth plus two synchronization signals along with bidirectional control channel bus.

The deserializer features a multiplexer to allow selection between two input imagers, one active at a time. The primary video transport converts 10-bit or 12-bit data to a single high-speed serial stream, along with a separate low latency bidirectional control channel transport that accepts control information from an I2C port and is independent of video blanking period.

Using TI’s embedded clock technology allows transparent full-duplex communication over a single differential pair, carrying asymmetrical-bidirectional control channel information. 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 adaptive equalization to compensate for loss from the media over longer distances. Internal DC-balanced encoding/decoding is used to support AC-coupled interconnects.

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Technical documentation

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Type Title Date
* Datasheet DS90UB914A-Q1 25-MHz to 100-MHz 10- and 12-Bit FPD-Link III Deserializer datasheet (Rev. D) Sep. 23, 2019
Technical articles How to choose a power supply for an automotive camera module Sep. 17, 2020
Application notes Backwards Compatibility Modes for Operation With Parallel Output Deserializers (Rev. A) Apr. 17, 2018
Application notes Migrating DS90UB914A-Q1 Designs to DS90UB934-Q1 for Automotive ADAS Systems (Rev. A) Feb. 05, 2018
User guides DS90UB913A-CXEVM and DS90UB914A-CXEVM REV A User’s Guide (Rev. B) Apr. 06, 2016
Application notes Analog Applications Journal 3Q 2015 Jul. 24, 2015
Application notes Ten tips for successfully designing with automotive EMC/EMI requirements Jul. 24, 2015
Application notes Cable Requirements for the DS90UB913A and DS90UB914A Oct. 14, 2014
Application notes I2C Communication over DS90UB913/4 FPD Link-III with BCC Apr. 22, 2013

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
299
Description

The DS90UB914A_CXEVM evaluation module (EVM) helps you evaluate the operation and performance of the DS90UB914A-Q1 25-MHz to 100-MHz FPD-Link III deserializer (DES). The device translates a high-speed serialized FPD-Link III interface transported over a single 50-Ω coax cable into 10 or 12 bits (...)

Features
  • Programmable data payload: 10-bit payload up to 100 MHz; 12-bit payload up to 75 MHz
  • PCLK from imager or external oscillator mode
  • Continuous low-latency bidirectional control interface channel with I2C support at 400 KHz
  • Four dedicated general-purpose input-outputs (GPIOs)

Design tools & simulation

SIMULATION MODELS Download
SNLM159.ZIP (147 KB) - IBIS Model
SIMULATION TOOLS Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
SIMULATION TOOLS Download
SPICE-based analog simulation program
TINA-TI 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 (...)
document-generic User guide

Reference designs

REFERENCE DESIGNS Download
Uncompressed Digital Video SerDes over Coax for Automotive Mega Pixel CMOS Camera Reference Design
TIDA-00133 The TIDA-00133 reference design is a high speed serial video interface to connect a remote automotive camera module to a display or machine vision processing system. It uses TIs FPD-Link III SerDes technology to transmit uncompressed MegaPixel video data, bidirectional control signals and power (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
ADAS Sensor Interconnect Reference Design Board for Remote Camera and Radar Modules
TIDA-00271 The ADAS Sensor Interconnect Board is intended for applications where remote sensors like cameras, LIDAR or radar modules need to be connected to a central processing ECU. The board supports up to 3 coaxial and 1 LVDS twisted pair data inputs as well as 3 FMC cable and 1 board to board connector as (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Multi Camera, Video Interface and Control Solution for Automotive Surround View Systems
TIDA-00162 TIDA-00162 incorporates the  complete  camera module, video interface  and control functionality for surround view systems for automotive applications. The reference design includes four 1 Mp cameras (OmniVision OV10635), four Serializer+Power boards and a daughter board with 6 (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
WQFN (RHS) 48 View options

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