DS50PCI401 - 具有均衡和去加重功能的 2.5 Gbps / 5.0 Gbps 4 线路 PCI Express 中继器

DS50PCI401是TI德州仪器公司的一款转接驱动器/中继器产品，DS50PCI401是具有均衡和去加重功能的 2.5 Gbps / 5.0 Gbps 4 线路 PCI Express 中继器，本站介绍了DS50PCI401的封装应用图解、特点和优点、功能等，并给出了与DS50PCI401相关的TI元器件型号供参考。

DS50PCI401 - 具有均衡和去加重功能的 2.5 Gbps / 5.0 Gbps 4 线路 PCI Express 中继器 - 转接驱动器/中继器 - 信号调节器 - 德州仪器

产品描述

The DS50PCI401 is a low power, 4 lane bidirectional buffer/equalizer designed specifically for PCI Express Gen1 and Gen2 applications. The device performs both receive equalization and transmit de-emphasis, allowing maximum flexibility of physical placement within a system. The receiver is capable of opening an input eye that is completely closed due to inter-symbol interference (ISI) induced by the interconnect medium.

The transmitter de-emphasis level can be set by the user depending on the distance from the DS50PCI401 to the PCI Express endpoint. The DS50PCI401 contains PCI Express specific functions such as Transmit Idle, RX Detection, and Beacon signal pass through.

The device will change the load impedance on its input pins based on the state of RXDETA/B inputs detection. An internal rate detection circuit is included to detect if an incoming data stream is at Gen2 data rates, and adjusts the de-emphasis on it's output accordingly. The signal conditioning provided by the device allows systems to upgrade from Gen1 data rates to Gen2 without reducing their physical reach. This is true for FR4 applications such as backplanes, as well as cable interconnect.

产品特性

Input and Output signal conditioning increases PCIe reach in backplanes and cables
0.09 UI of residual deterministic jitter at 5Gbps after 42” of FR4 (with Input EQ)
0.11 UI of residual deterministic jitter at 5Gbps after 7m of PCIe Cable (with Input EQ)
0.09 UI of residual deterministic jitter at 5Gbps with 28” of FR4 (with Output DE)
0.13 UI of residual deterministic jitter at 5Gbps with 7m of PCIe Cable (with Output DE)
Adjustable Transmit VOD 800 to 1200mVp-p
Automatic power management on an individual lane basis via SMBus
Adjustable electrical idle detect threshold.
Data rate optimized 3-stage equalization to 26 dB gain
Data rate optimized 6-level 0 to 12 dB transmit de-emphasis
Flow-thru pinout in 10mmx5.5mm 54-pin leadless WQFN package
Single supply operation at 2.5V
>6kV HBM ESD rating
-10 to 85°C operating temperature range

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