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Circuitos integrados PCIe, SAS y SATA

DS80PCI402

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Recontrolador PCI Express de 4 carriles y 2.5 Gbps/5.0 Gbps/8.0 Gbps con ecualización y desénfasis

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DS80PCI402

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Detalles del producto

Type Redriver Protocols General purpose, PCIe1, PCIe2, PCIe3, sRIO Applications PCIe, SAS, SATA Number of channels 8 Speed (max) (Gbpp) 8 Rating Catalog Operating temperature range (°C) -40 to 85
Type Redriver Protocols General purpose, PCIe1, PCIe2, PCIe3, sRIO Applications PCIe, SAS, SATA Number of channels 8 Speed (max) (Gbpp) 8 Rating Catalog Operating temperature range (°C) -40 to 85
WQFN (NJY) 54 55 mm² (10 mm × 5.5 mm)
  • Comprehensive family, proven system interoperability
    • DS80PCI102: x1 PCIe Gen-1, Gen-2, and Gen-3
    • DS80PCI402: x4 PCIe Gen-1, Gen-2, and Gen-3
    • DS80PCI800: x8/x16 PCIe Gen-1, Gen-2, and Gen-3
  • Automatic rate-detect and adaptation to Gen-1, Gen-2, and Gen-3 speeds
  • Seamless support for Gen-3 transmit FIR handshake
  • Receiver EQ (up to 36 dB), transmit De-emphasis (up to 12 dB)
  • Adjustable transmit VOD: 0.8 to 1.3 Vp-p (pin mode)
  • 0.2 UI of residual deterministic jitter at 8 Gbps after 40 inches of FR4 or 10 m 30-awg PCIe cable
  • Low power dissipation with ability to turn off unused channels: 65 mW/channel
  • Automatic receiver detect (hot-plug)
  • Multiple configuration modes: Pins/SMBus/Direct-EEPROM load
  • Flow-thru pinout: 54-Pin WQFN (10-mm × 5.5-mm, 0.5-mm pitch)
  • Single supply voltage: 2.5 or 3.3 V (selectable)
  • ±5 kV HBM ESD rating
  • −40°C to 85°C operating temperature range
  • Comprehensive family, proven system interoperability
    • DS80PCI102: x1 PCIe Gen-1, Gen-2, and Gen-3
    • DS80PCI402: x4 PCIe Gen-1, Gen-2, and Gen-3
    • DS80PCI800: x8/x16 PCIe Gen-1, Gen-2, and Gen-3
  • Automatic rate-detect and adaptation to Gen-1, Gen-2, and Gen-3 speeds
  • Seamless support for Gen-3 transmit FIR handshake
  • Receiver EQ (up to 36 dB), transmit De-emphasis (up to 12 dB)
  • Adjustable transmit VOD: 0.8 to 1.3 Vp-p (pin mode)
  • 0.2 UI of residual deterministic jitter at 8 Gbps after 40 inches of FR4 or 10 m 30-awg PCIe cable
  • Low power dissipation with ability to turn off unused channels: 65 mW/channel
  • Automatic receiver detect (hot-plug)
  • Multiple configuration modes: Pins/SMBus/Direct-EEPROM load
  • Flow-thru pinout: 54-Pin WQFN (10-mm × 5.5-mm, 0.5-mm pitch)
  • Single supply voltage: 2.5 or 3.3 V (selectable)
  • ±5 kV HBM ESD rating
  • −40°C to 85°C operating temperature range

The DS80PCI402 is a low-power, 4-lane repeater with 4-stage input equalization, and an output de-emphasis driver to enhance the reach of PCI-Express serial links in board-to-board or cable interconnects. This device is ideal for x4 (or lower) PCI-Express configuration, and it automatically detects and adapts to Gen-1, Gen-2, and Gen-3 data rates for easy system upgrade.

DS80PCI402 offers programmable transmit de-emphasis (up to 12 dB), transmit VOD (up to 1300 mVp-p), and receive equalization (up to 36 dB) to enable longer distance transmission in lossy copper cables (10 meters or more), or backplanes (40 inches or more) with multiple connectors. The receiver can open an input eye that is completely closed due to inter-symbol interference (ISI) introduced by the interconnect medium.

The programmable settings can be applied easily through pins or software (SMBus/I2C), or can be loaded through an external EEPROM. When operating in the EEPROM mode, the configuration information is automatically loaded on power up, which eliminates the need for an external microprocessor or software driver.

The DS80PCI402 is a low-power, 4-lane repeater with 4-stage input equalization, and an output de-emphasis driver to enhance the reach of PCI-Express serial links in board-to-board or cable interconnects. This device is ideal for x4 (or lower) PCI-Express configuration, and it automatically detects and adapts to Gen-1, Gen-2, and Gen-3 data rates for easy system upgrade.

DS80PCI402 offers programmable transmit de-emphasis (up to 12 dB), transmit VOD (up to 1300 mVp-p), and receive equalization (up to 36 dB) to enable longer distance transmission in lossy copper cables (10 meters or more), or backplanes (40 inches or more) with multiple connectors. The receiver can open an input eye that is completely closed due to inter-symbol interference (ISI) introduced by the interconnect medium.

The programmable settings can be applied easily through pins or software (SMBus/I2C), or can be loaded through an external EEPROM. When operating in the EEPROM mode, the configuration information is automatically loaded on power up, which eliminates the need for an external microprocessor or software driver.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos DS80PCI402 2.5-Gbps / 5.0-Gbps / 8.0-Gbps 4-Lane PCI-Express Repeater With Equalization and De-Emphasis datasheet (Rev. F) PDF | HTML 5/08/2021
Analog Design Journal 2Q 2016 Analog Applications Journal Issue 26/04/2016
Analog Design Journal The intricacies of signal integrity in high-speed communications 26/04/2016
Nota sobre la aplicación Understanding EEPROM Programming for High Speed Repeaters and Mux Buffers 9/10/2014
Guía del usuario DS80PCI402EVK User's Guide 24/09/2012

Diseño y desarrollo

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Placa de evaluación

DS80PCI402EVK — Kit de evaluación DS80PCI402EVK de SMA de 4 canales

The DS80PCI402EVK is a 4 channel SMA evaluation kit. It provides a complete high bandwidth platform to evaluate the signal integrity and signal conditioning features of the Texas Instruments DS80PCI402SQ – 2.5Gbps / 5.0 Gbps / 8.0 Gbps 8 Channel PCI Express Repeater with Equalization and (...)

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