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DS50PCI401

更新时间： 2024-11-09 06:54:43

品牌	Logo	应用领域
美国国家半导体 - NSC		PC
页数	文件大小	规格书
32页	904K
描述
2.5 Gbps / 5.0 Gbps 4 Lane PCI Express Transceiver with Equalization and De-Emphasis

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DS50PCI401 数据手册

June 25, 2009

DS50PCI401

2.5 Gbps / 5.0 Gbps 4 Lane PCI Express Transceiver with

Equalization and De-Emphasis

General Description

Features

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 equal-

ization and transmit de-emphasis, allowing maximum flexibil-

ity 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.

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)

■

The transmitter de-emphasis level can be set by the user de-

pending 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.

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

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 inter-

connect.

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 LLP

package

■

Single supply operation at 2.5V

■

>6kV HBM ESD rating

-10 to 85°C operating temperature range

Typical Application

30060480

300604

www.national.com

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与DS50PCI401相关器件

型号	品牌	获取价格	描述	数据表
DS50PCI401SQ	NSC	获取价格	2.5 Gbps / 5.0 Gbps 4 Lane PCI Express Transceiver with Equalization and De-Emphasis
DS50PCI401SQ/NOPB	NSC	获取价格	IC QUAD LINE TRANSCEIVER, QCC54, 10 X 5.50 MM, LEAD FREE, LLP-54, Line Driver or Receiver
DS50PCI401SQ/NOPB	TI	获取价格	具有均衡和去加重功能的 5.0Gbps 4 通道转接驱动器 \| NJY \| 54 \| -1
DS50PCI401SQE	NSC	获取价格	2.5 Gbps / 5.0 Gbps 4 Lane PCI Express Transceiver with Equalization and De-Emphasis
DS50PCI401SQE/NOPB	NSC	获取价格	IC QUAD LINE TRANSCEIVER, QCC54, 10 X 5.50 MM, LEAD FREE, LLP-54, Line Driver or Receiver
DS50PCI401SQE/NOPB	TI	获取价格	具有均衡和去加重功能的 5.0Gbps 4 通道转接驱动器 \| NJY \| 54 \| -1
DS50PCI402	TI	获取价格	DS50PCI402 2.5 Gbps / 5.0 Gbps 4 Lane PCI Express Repeater with Equalization and De-Emphas
DS50PCI402_14	TI	获取价格	2.5 Gbps / 5.0 Gbps 4 Lane PCI Express Repeater with Equalization and De-Emphasis
DS50PCI402SQ	TI	获取价格	DS50PCI402 2.5 Gbps / 5.0 Gbps 4 Lane PCI Express Repeater with Equalization and De-Emphas
DS50PCI402SQ/NOPB	TI	获取价格	2.5 Gbps / 5.0 Gbps 4 Lane PCI Express Repeater with Equalization and De-Emphasis 54-WQFN

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