Datasheet > DS80PCI402SQ

DS80PCI402SQ

更新时间： 2024-10-01 12:55:27

品牌	Logo	应用领域
德州仪器 - TI		中继器 PC
页数	文件大小	规格书
39页	1681K
描述
2.5 Gbps / 5.0 Gbps / 8.0 Gbps 4 Lane PCI Express Repeater with Equalization and De-Emphasis

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DS80PCI402SQ 数据手册

March 22, 2012

DS80PCI402

2.5 Gbps / 5.0 Gbps / 8.0 Gbps 4 Lane PCI Express

Repeater with Equalization and De-Emphasis

With a low power consumption and control to turn-off unused

channels, the DS80PCI402 is part of PowerWise family of

energy efficient devices.

General Description

The DS80PCI402 is a low power, 4 lane repeater with 4-stage

input equalization, and output de-emphasis driver to enhance

the reach of PCI express serial links in board-to-board or ca-

ble interconnects. Ideal for x4 (or lower) PCI express config-

uration, the DS80PCI402 automatically detects and adapts to

Gen-1, Gen-2 and Gen-3 data rates for easy system upgrade.

Features

Comprehensive family, proven system inter-operability

■

DS80PCI102 : x1 PCIe Gen-1/2/3

DS80PCI402 : x4 PCIe Gen-1/2/3

DS80PCI800 : x8/x16 PCIe Gen-1/2/3

Each channel supports seamless detection and management

of the new Gen-3 transmit equalizer coefficients (FIR tap)

handshake protocol and PCIe control signals such as transmit

idle, beacon etc. without external system intervention. An au-

tomatic receive detection circuitry controls the input termina-

tion impedance based upon endpoint insertion (hot-plug

events). These features guarantee PCIe interoperability at

both the electrical and system level, while reducing design

complexity.

Automatic rate detect and adaptation to Gen-1/2/3 speeds

■

Seamless support for Gen-3 transmit FIR handshake

Rate adaptive receive EQ (up to 36 dB), transmit

deemphasis (up to 12 dB) only Gen-1/2

Adjustable Transmit VOD: 0.8 to 1.3 Vp-p (pin mode)

■

0.2 UI of residual deterministic jitter at 8 Gbps after 40” of

FR4 or 10m 30awg PCIe Cable

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 cop-

per cables (10m+), or backplanes (40”+) with multiple con-

nectors. The receiver is capable of opening an input eye that

is completely closed due to inter-symbol interference (ISI) in-

troduced by the interconnect medium.

Low power dissipation with ability to turnoff unused

channels: 65 mW/channel

Automatic receiver detect (hot-plug)

■

Multiple configuration modes: Pins/SMbus/Direct-

EEPROM load

Flow-thru pinout: 54-pin LLP (10 mm x 5.5 mm, 0.5 mm

pitch)

■

Single supply voltage: 2.5V or 3.3V (selectable)

■

The programmable settings can be applied easily via pins,

software (SMBus/I2C) or loaded via an external EEPROM.

When operating in the EEPROM mode, the configuration in-

formation is automatically loaded on power up, which elimi-

nates the need for an external microprocessor or software

driver.

5 kV HBM ESD rating

−40 to 85°C operating temperature range

Typical Application

30119880

301198 SNLS324C

www.ti.com

12 3 4 5 6 7...39

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与DS80PCI402SQ相关器件

型号	品牌	获取价格	描述	数据表
DS80PCI402SQ/NOPB	TI	获取价格	具有均衡和去加重功能的 2.5/5.0/8.0Gbps 4 通道 PCI Express
DS80PCI402SQE	TI	获取价格	2.5 Gbps / 5.0 Gbps / 8.0 Gbps 4 Lane PCI Express Repeater with Equalization and De-Emphas
DS80PCI402SQE/NOPB	TI	获取价格	具有均衡和去加重功能的 2.5/5.0/8.0Gbps 4 通道 PCI Express
DS80PCI800	TI	获取价格	2.5 Gbps / 5.0 Gbps / 8.0 Gbps 8 Channel PCI Express Repeater with Equalization and De-Emp
DS80PCI800SQ	TI	获取价格	2.5 Gbps / 5.0 Gbps / 8.0 Gbps 8 Channel PCI Express Repeater with Equalization and De-Emp
DS80PCI800SQ/NOPB	TI	获取价格	DS80PCI800 2.5 Gbps / 5.0 Gbps / 8.0 Gbps 8 Channel PCI Express Repeater
DS80PCI800SQE	TI	获取价格	2.5 Gbps / 5.0 Gbps / 8.0 Gbps 8 Channel PCI Express Repeater with Equalization and De-Emp
DS80PCI800SQE/NOPB	TI	获取价格	DS80PCI800 2.5 Gbps / 5.0 Gbps / 8.0 Gbps 8 Channel PCI Express Repeater
DS80PCI810	TI	获取价格	具有均衡功能的 2.5/5.0/8.0Gbps 8 通道线性转接驱动器
DS80PCI810NJYR	TI	获取价格	具有均衡功能的 2.5/5.0/8.0Gbps 8 通道线性转接驱动器 \| NJY \| 5

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