Overview
The DS80PCI800SQE/NOPB, produced by Texas Instruments, is a low-power, 8-channel PCI Express redriver designed to enhance the reach of PCI-Express serial links in various interconnect scenarios. This device is particularly suited for higher density x8 and x16 PCI-Express configurations and supports data rates of Gen-1, Gen-2, and Gen-3. It features automatic rate detection and adaptation, making system upgrades seamless. The DS80PCI800 is ideal for board-to-board or cable interconnects, offering robust signal conditioning through its 4-stage input equalization and output de-emphasis capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Package | WQFN (NJY) - 54 pins |
| Operating Temperature Range | -40°C to 85°C |
| Data Rates | 2.5 Gbps, 5.0 Gbps, 8.0 Gbps |
| Channels | 8 channels |
| Input Equalization | Up to 36 dB |
| Transmit De-Emphasis | Up to 12 dB |
| Transmit VOD | 0.8 to 1.3 Vp-p |
| Residual Deterministic Jitter | 0.2 UI at 8 Gbps after 40 inches of FR4 or 10 m 30-awg PCIe cable |
| Power Dissipation | 65 mW per channel |
| Supply Voltage | 2.5 V or 3.3 V (selectable) |
| ESD Rating | ±3 kV HBM |
Key Features
- Comprehensive family with proven system interoperability
- Automatic rate detection and adaptation to Gen-1, Gen-2, and Gen-3 speeds
- Seamless support for Gen-3 transmit FIR handshake
- Programmable transmit de-emphasis (up to 12 dB) and receive equalization (up to 36 dB)
- Adjustable transmit VOD: 0.8 to 1.3 Vp-p
- Low power dissipation with ability to turn off unused channels
- Automatic receiver detect (hot-plug)
- Multiple configuration modes: pins, SMBus, direct-EEPROM load
- Flow-thru pinout in a 54-pin WQFN package
- Single supply voltage: 2.5 V or 3.3 V (selectable)
- ±3 kV HBM ESD rating
Applications
The DS80PCI800SQE/NOPB is designed for use in various high-density PCI-Express applications, including:
- Board-to-board interconnects
- Cable interconnects
- Backplanes with multiple connectors
- Data center equipment
- High-performance computing systems
- Storage systems requiring high-speed data transfer
Q & A
- What are the supported data rates for the DS80PCI800?
The DS80PCI800 supports data rates of 2.5 Gbps, 5.0 Gbps, and 8.0 Gbps.
- How many channels does the DS80PCI800 have?
The DS80PCI800 has 8 channels.
- What is the operating temperature range of the DS80PCI800?
The operating temperature range is -40°C to 85°C.
- What are the input equalization and transmit de-emphasis capabilities of the DS80PCI800?
The device offers up to 36 dB of input equalization and up to 12 dB of transmit de-emphasis.
- How is the configuration of the DS80PCI800 managed?
The configuration can be managed through pins, SMBus, or direct-EEPROM load.
- What is the power dissipation per channel for the DS80PCI800?
The power dissipation is 65 mW per channel.
- What are the supply voltage options for the DS80PCI800?
The supply voltage can be either 2.5 V or 3.3 V, selectable.
- What is the ESD rating of the DS80PCI800?
The ESD rating is ±3 kV HBM.
- What types of applications is the DS80PCI800 suited for?
The DS80PCI800 is suited for high-density PCI-Express applications including board-to-board interconnects, cable interconnects, backplanes, data center equipment, and high-performance computing systems.
- How does the DS80PCI800 handle residual deterministic jitter?
The device has 0.2 UI of residual deterministic jitter at 8 Gbps after 40 inches of FR4 or 10 m 30-awg PCIe cable.
