DS80PCI102SQE/NOPB [TI]
具有均衡和去加重功能的 2.5/5.0/8.0Gbps 1 通道 PCI Express 转接驱动器 | RTW | 24 | -40 to 85;
| 型号： | DS80PCI102SQE/NOPB |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | 具有均衡和去加重功能的 2.5/5.0/8.0Gbps 1 通道 PCI Express 转接驱动器 | RTW | 24 | -40 to 85 PC 驱动 驱动器 |
| 文件： | 总6页 (文件大小：278K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DS80PCI102
DS80PCI102 2.5 Gbps / 5.0 Gbps / 8.0 Gbps 1 Lane PCI Express Repeater
with Equalization and De-Emphasis
Literature Number: SNLS344C
PRELIMINARY
August 4, 2011
DS80PCI102
2.5 Gbps / 5.0 Gbps / 8.0 Gbps 1 Lane PCI Express
Repeater with Equalization and De-Emphasis
Notice: This document is not a full datasheet. For more
General Description
information regarding this product or to order samples
please contact your local National Semiconductor sales
office or visit http://www.national.com/support/dir.html
The DS80PCI102 is a low power, 1 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 x1 PCI express configuration, the
DS80PCI102 automatically detects and adapts to Gen-1,
Gen-2 and Gen-3 data rates for easy system upgrade.
Features
Comprehensive family, proven system interoperability
■
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 adaption to Gen-1/2/3 speeds
■
■
■
Seamless support for Gen-3 transmit FIR handshake
Rate adaptive receive EQ (up to 36 dB), transmit de-
emphasis (up to 12 dB) only Gen-1/2
Adjustable Transmit VOD: 0.7 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, DS80PCI102
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: 65mW/channel
■
Automatic receiver detect (hot-plug)
■
■
Multiple configuration modes: Pins/SMBus/Direct
EEPROM load
Single supply voltage: 2.5V or 3.3V (selectable)
■
■
Flow-thru pinout in 4mmx4mm 24-pin leadless LLP
package
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.
>4kV HBM ESD rating
■
■
-10 to 85°C operating temperature range
Typical Application
30156990
© 2011 National Semiconductor Corporation
301569
www.national.com
Ordering Information
NSID
Qty
Spec
Package
SQA24A
SQA24A
SQA24A
DS80PCI102SQX
DS80PCI102SQ
DS80PCI102SQE
Tape & Reel Supplied As 4,500 Units
Tape & Reel Supplied As 1,000 Units
Tape & Reel Supplied As 250 Units
NOPB
NOPB
NOPB
www.national.com
2
Physical Dimensions inches (millimeters) unless otherwise noted
Order Number DS80PCI102SQX (Tape and Reel 4500 units)
Order Number DS80PCI102SQ (Tape and Reel 1000 units)
Order Number DS80PCI102SQE (Tape and Reel 250 units)
NS Package Number SQA24A
(See AN-1187 for PCB Design and Assembly Recommendations)
3
www.national.com
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