Startseite Schnittstelle Highspeed-Serializer/Deserializer Serializer/Deserializer für FPD-Link
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Highspeed-Serializer/Deserializer
Serializer/Deserializer für FPD-Link

DS99R421

NICHT FÜR NEUE DESIGNS EMPFOHLEN

LVDS-Wandler, 5−43 MHz, von FPD-Link (3 Data + 1 Takt) zu FPD-Link II (integrierter Takt, DC-symmetr

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Datenblatt

DS99R421

NICHT FÜR NEUE DESIGNS EMPFOHLEN
Datenblatt Jetzt bestellen

Produktdetails

Function Serializer Color depth (bps) 18 Input compatibility FPD-Link LVDS Features Low-EMI Point-to-Point Communication Applications In-vehicle Infotainment (IVI) EMI reduction LVDS Diagnostics BIST Rating Catalog Operating temperature range (°C) to
Function Serializer Color depth (bps) 18 Input compatibility FPD-Link LVDS Features Low-EMI Point-to-Point Communication Applications In-vehicle Infotainment (IVI) EMI reduction LVDS Diagnostics BIST Rating Catalog Operating temperature range (°C) to
WQFN (NJK) 36 36 mm² 6 x 6
  • 5 MHz–43 MHz Embedded Clock & DC-Balanced Data Transmission (21 Total LVDS Data Bits Plus 3 Low Speed LVCMOS Data Bits)
  • User Adjustable Pre-Emphasis Driving Ability Through External Resistor on LVDS Outputs and Capable to Drive up to 10 Meters Shielded Twisted-Pair Cable
  • Supports AC-Coupling Data Transmission
  • 100Ω Integrated Termination Resistor at LVDS Input
  • Power-Down Control
  • Available @SPEED BIST to DS90UR124 to Validate Link Integrity
  • All LVCMOS Inputs & Control Pins Have Internal Pulldown
  • Schmitt Trigger Inputs on OS[2:0] to Minimize Metastable Conditions
  • Outputs Tri-Stated Through DEN
  • On-Chip Filters for PLLs
  • Power Supply Range 3.3V ± 10%
  • Automotive Temperature Range −40°C to +105°C
  • Greater Than 8kV ESD Tolerance
  • Meets ISO 10605 ESD and AEC-Q100 Compliance

All trademarks are the property of their respective owners.

  • 5 MHz–43 MHz Embedded Clock & DC-Balanced Data Transmission (21 Total LVDS Data Bits Plus 3 Low Speed LVCMOS Data Bits)
  • User Adjustable Pre-Emphasis Driving Ability Through External Resistor on LVDS Outputs and Capable to Drive up to 10 Meters Shielded Twisted-Pair Cable
  • Supports AC-Coupling Data Transmission
  • 100Ω Integrated Termination Resistor at LVDS Input
  • Power-Down Control
  • Available @SPEED BIST to DS90UR124 to Validate Link Integrity
  • All LVCMOS Inputs & Control Pins Have Internal Pulldown
  • Schmitt Trigger Inputs on OS[2:0] to Minimize Metastable Conditions
  • Outputs Tri-Stated Through DEN
  • On-Chip Filters for PLLs
  • Power Supply Range 3.3V ± 10%
  • Automotive Temperature Range −40°C to +105°C
  • Greater Than 8kV ESD Tolerance
  • Meets ISO 10605 ESD and AEC-Q100 Compliance

All trademarks are the property of their respective owners.

The DS99R421 converts a FPD-Link input with 4 non-DC Balanced LVDS (3 LVDS Data + LVDS Clock) plus 3 over-sampled low speed control bits into a single LVDS DC-balanced serial stream with embedded clock information. This single serial stream simplifies transferring the 24-bit bus over a single differential pair of PCB traces and cable by eliminating the skew problems between the 3 parallel LVDS data inputs and LVDS clock paths. It saves system cost by narrowing 4 LVDS pairs to 1 LVDS pair that in turn reduce PCB layers, cable width, connector size, and pins.

The DS99R421 incorporates a single serialized LVDS signal on the high-speed I/O. Embedded clock LVDS provides a low power and low noise environment for reliably transferring data over a serial transmission path. By optimizing the converter output edge rate for the operating frequency range EMI is further reduced.

In addition the device features pre-emphasis to boost signals over longer distances using lossy cables. Internal DC balanced encoding is used to support AC-Coupled interconnects.

The DS99R421 converts a FPD-Link input with 4 non-DC Balanced LVDS (3 LVDS Data + LVDS Clock) plus 3 over-sampled low speed control bits into a single LVDS DC-balanced serial stream with embedded clock information. This single serial stream simplifies transferring the 24-bit bus over a single differential pair of PCB traces and cable by eliminating the skew problems between the 3 parallel LVDS data inputs and LVDS clock paths. It saves system cost by narrowing 4 LVDS pairs to 1 LVDS pair that in turn reduce PCB layers, cable width, connector size, and pins.

The DS99R421 incorporates a single serialized LVDS signal on the high-speed I/O. Embedded clock LVDS provides a low power and low noise environment for reliably transferring data over a serial transmission path. By optimizing the converter output edge rate for the operating frequency range EMI is further reduced.

In addition the device features pre-emphasis to boost signals over longer distances using lossy cables. Internal DC balanced encoding is used to support AC-Coupled interconnects.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet 5-43 MHz FPD-Link LVDS (3 Data + 1 Clock) to FPD-Link II LVDS Converter datasheet (Rev. D) 16 Apr 2013
Application note LVDS Repeaters and Crosspoints Extend the Reach of FPD-Link II Interfaces (Rev. A) 29 Apr 2013
Application note AN-1807 FPD-Link II Display SerDes Overview (Rev. B) 26 Apr 2013
Application note Extending the Reach of a FPD-Link II Interface with Cable Drivers and Equalizers (Rev. A) 26 Apr 2013
User guide FPD to SERDES (UR) Translator Chip DS99R421 Evaluation Kit User's Guide 26 Jan 2012

Design und Entwicklung

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