Overview
The DS80PCI800SQ/NOPB is a high-performance, 8-channel PCI-Express repeater designed by Texas Instruments. This device is optimized for enhancing the reach of PCI-Express Gen-1, Gen-2, and Gen-3 serial links in various interconnect scenarios, including board-to-board and cable connections. It features advanced equalization and de-emphasis capabilities, making it ideal for higher density x8 and x16 PCI-Express configurations. The DS80PCI800SQ/NOPB automatically detects and adapts to different data rates, ensuring seamless support for system upgrades.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VDD) | 2.5 or 3.3 | V |
| Operating Temperature Range | −40 to 85 | °C |
| Junction Temperature | 125 | °C |
| Lead Temperature Soldering (4 s) | 260 | °C |
| Storage Temperature Range | −40 to 125 | °C |
| ESD Rating (HBM) | ±3 kV | |
| Power Dissipation (Typical) | 500-900 | mW |
| Receive Equalization | Up to 36 dB | |
| Transmit De-emphasis | Up to 12 dB | |
| Transmit VOD (Adjustable) | 0.8 to 1.3 Vp-p | |
| Package Type | WQFN-54 (10x5.5 mm) |
Key Features
- Comprehensive Family and Proven System: Supports PCI Express Gen-1, Gen-2, and Gen-3 interoperability.
- Automatic Rate Detect and Adaptation: Automatically detects and adapts to different data rates for easy system upgrades.
- Programmable Transmit De-emphasis and VOD: Up to 12 dB transmit de-emphasis and adjustable transmit VOD (0.8 to 1.3 Vp-p).
- Advanced Equalization: Up to 36 dB receive equalization to enable longer distance transmission in lossy media.
- Low Power Dissipation: Low power consumption with the ability to turn off unused channels (approximately 65 mW per channel).
- Multiple Configuration Modes: Configurable through pins, SMBus/I2C, or direct load from an external EEPROM.
- Flow-Thru Pinout: 54-pin WQFN package with a flow-thru pinout for easy board design.
- Automatic Receiver Detect (Hot-Plug): Supports hot-plug detection for seamless integration.
Applications
The DS80PCI800SQ/NOPB is suitable for a variety of applications, including:
- High-Density PCI-Express Systems: Ideal for x8 and x16 PCI-Express configurations in servers, workstations, and high-performance computing systems.
- Board-to-Board and Cable Interconnects: Enhances signal integrity in long-distance copper cables (up to 10 meters) and backplanes (up to 40 inches) with multiple connectors.
- Data Centers and Cloud Infrastructure: Supports the high-speed data transfer requirements of data centers and cloud computing environments.
- Embedded Systems and Industrial Applications: Used in various embedded systems and industrial applications requiring reliable high-speed data transmission.
Q & A
- What are the supported PCI-Express generations for the DS80PCI800SQ/NOPB?
The DS80PCI800SQ/NOPB supports PCI Express Gen-1, Gen-2, and Gen-3.
- What is the operating temperature range of the DS80PCI800SQ/NOPB?
The operating temperature range is −40°C to 85°C.
- How does the DS80PCI800SQ/NOPB configure its settings?
The settings can be configured through pins, SMBus/I2C, or direct load from an external EEPROM.
- What is the maximum receive equalization provided by the DS80PCI800SQ/NOPB?
The device provides up to 36 dB of receive equalization.
- Can the DS80PCI800SQ/NOPB be used in hot-plug applications?
Yes, it supports automatic receiver detect (hot-plug) for seamless integration.
- What is the typical power dissipation of the DS80PCI800SQ/NOPB?
The typical power dissipation is between 500-900 mW, depending on the supply voltage and configuration.
- What package type is the DS80PCI800SQ/NOPB available in?
The device is available in a 54-pin WQFN package (10x5.5 mm).
- How does the DS80PCI800SQ/NOPB handle ESD protection?
The device has a ±3 kV HBM ESD rating.
- Can the transmit VOD be adjusted on the DS80PCI800SQ/NOPB?
Yes, the transmit VOD is adjustable from 0.8 to 1.3 Vp-p.
- What is the maximum transmit de-emphasis provided by the DS80PCI800SQ/NOPB?
The device provides up to 12 dB of transmit de-emphasis.
