DS80PCI800SQ/NOPB

Signal Buffers, Repeaters, Splitters Overview

The DS80PCI800SQ/NOPB is an eight-channel PCI Express repeater manufactured by Texas Instruments, designed for high-speed signal integrity in PCIe Gen1, Gen2, and Gen3 applications. It supports data rates of 2.5 Gbps, 5.0 Gbps, and 8.0 Gbps per channel. The device operates on dual power supplies of 2.5 V and 3.3 V with a maximum operating current of 192 mA. It is housed in a WQFN-54 package and functions within a temperature range of -40°C to +85°C. This component integrates eight drivers and eight receivers to extend signal reach across printed circuit boards.

Signal Buffers, Repeaters, Splitters Feature Summary

• Supports multiple PCI Express generation data rates including 2.5, 5.0, and 8.0 Gbps
• Integrates eight independent channels for parallel signal transmission
• Operates with dual voltage requirements for flexible system integration

Signal Buffers, Repeaters, Splitters Applications

• PCI Express Gen1, Gen2, and Gen3 link extension
• High-speed digital signal buffering on motherboards
• Signal integrity improvement in server and storage systems

Signal Buffers, Repeaters, Splitters Procurement Notes

Verify the specific suffix 'SQ' against the manufacturer's official documentation to confirm the exact package variant and moisture sensitivity level. Ensure that the 'NOPB' designation aligns with current RoHS compliance requirements for your target market. Cross-reference the Mouser number 926-DS80PCI800SQNOPB with the latest datasheet revision to validate all electrical specifications before finalizing procurement orders.

Signal Buffers, Repeaters, Splitters Selection Notes

Select this component when designing systems requiring eight-channel expansion for PCI Express interfaces up to 8.0 Gbps. It is suitable for applications needing signal regeneration over long PCB traces where passive components fail to maintain eye diagram integrity. Consider the WQFN-54 footprint during layout planning to ensure adequate thermal dissipation and pin accessibility for the dual-voltage power domains.

Signal Buffers, Repeaters, Splitters Part Context

This device belongs to the DS80PCI800 series of high-speed interface repeaters from Texas Instruments. It is engineered specifically for PCI Express ecosystem applications, providing active equalization and clock recovery capabilities. The SQ/NOPB designation indicates a specific commercial-grade packaging and lead-free manufacturing process compliant with environmental standards.

Signal Buffers, Repeaters, Splitters Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with alternative devices such as the DS80PCI102 or DS80PCI402 only if they meet the specific eight-channel requirement and data rate specifications defined in the official datasheet.

Signal Buffers, Repeaters, Splitters FAQ

Can the input signal polarity be swapped on the DS80PCI800?

Yes, swapping the input and output signals is supported and can improve motherboard routing flexibility without affecting device operation.

What is the maximum data rate supported by this repeater?

The DS80PCI800 supports data rates up to 8.0 Gbps per channel, covering PCI Express Gen1, Gen2, and Gen3 standards.