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DS80PCI402

更新时间： 2024-11-29 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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DS80PCI402 数据手册

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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  
Powered by National’s SiGe BiCMOS process, 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 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  
© 2012 Texas Instruments Incorporated  
301198 SNLS324C  
www.ti.com  
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DS80PCI402 替代型号

型号 品牌 替代类型 描述 数据表
DS80PCI810 TI

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DS125BR401A TI

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DS80PCI402SQ/NOPB TI

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 		具有均衡和去加重功能的 2.5/5.0/8.0Gbps 4 通道 PCI Express
DS80PCI402SQE TI

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DS80PCI402SQE/NOPB TI

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 		具有均衡和去加重功能的 2.5/5.0/8.0Gbps 4 通道 PCI Express
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 		2.5 Gbps / 5.0 Gbps / 8.0 Gbps 8 Channel PCI Express Repeater with Equalization and De-Emp
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 		2.5 Gbps / 5.0 Gbps / 8.0 Gbps 8 Channel PCI Express Repeater with Equalization and De-Emp
DS80PCI800SQ/NOPB TI

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 		DS80PCI800 2.5 Gbps / 5.0 Gbps / 8.0 Gbps 8 Channel PCI Express Repeater
DS80PCI800SQE TI

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 		2.5 Gbps / 5.0 Gbps / 8.0 Gbps 8 Channel PCI Express Repeater with Equalization and De-Emp
DS80PCI800SQE/NOPB TI

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 		DS80PCI800 2.5 Gbps / 5.0 Gbps / 8.0 Gbps 8 Channel PCI Express Repeater
DS80PCI810 TI

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 		具有均衡功能的 2.5/5.0/8.0Gbps 8 通道线性转接驱动器

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