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DS80PCI402

AKTIV

2,5/5,0/8,0-Gbps 4-Lane PCI Express Redriver mit Entzerrung und Deemphase

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Datenblatt

DS80PCI402

AKTIV
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Produktdetails

Type Redriver Protocols General purpose, PCIe1, PCIe2, PCIe3, sRIO Applications PCIe, SAS, SATA Number of channels 8 Speed (max) (Gbpp) 8 Supply voltage (V) 2.5, 3.3 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 Supply voltage (V) 2.5, 3.3 Rating Catalog Operating temperature range (°C) -40 to 85
WQFN (NJY) 54 55 mm² 10 x 5.5
  • 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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Typ Titel Datum
* Data sheet 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 05 Aug 2021
Analog Design Journal 2Q 2016 Analog Applications Journal Issue 26 Apr 2016
Analog Design Journal The intricacies of signal integrity in high-speed communications 26 Apr 2016
Application note Understanding EEPROM Programming for High Speed Repeaters and Mux Buffers 09 Okt 2014
User guide DS80PCI402EVK User's Guide 24 Sep 2012

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