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Product Detailed Parameters
- Description：IC REDRIVER PCIE/SAS 8CH 54WQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Type：Buffer, ReDriver
- Applications：PCIe, SAS
- Input：CML
- Output：CML
- Data Rate (Max)：12.5Gbps
- Number of Channels：8
- Delay Time：200ps
- Signal Conditioning：Input Equalization, Output De-Emphasis
- Voltage - Supply：2.375V ~ 3.6V
- Current - Supply：-
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：54-WFQFN Exposed Pad
- Supplier Device Package：54-WQFN (10x5.5)
- Capacitance - Input：10 pF
- Grade：-
- Qualification：-
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Overview
The DS125BR800SQE/NOPB is an eight-channel PCIe redriver manufactured by Texas Instruments, designed for high-speed serial data transmission. It supports data rates of 2.5 Gbps, 5.0 Gbps, and 8.0 Gbps, making it suitable for PCI Express Gen 1, Gen 2, and Gen 3 applications. The device operates within a supply voltage range of 2.5 V to 3.3 V and functions reliably across an industrial temperature range from -40°C to +85°C. Housed in a 54-pin WQFN package, this signal buffer integrates input equalization and output de-emphasis capabilities to maintain signal integrity over lossy channels.
Feature Summary
- Eight independent channels provide comprehensive signal regeneration for multi-lane interfaces.
- Integrated adaptive equalization compensates for channel insertion loss to preserve signal quality.
- Configurable output de-emphasis reduces inter-symbol interference on the transmission line.
- Supports standard PCIe signaling levels with AC-coupled inputs and outputs.
Applications
- PCI Express Gen 1, Gen 2, and Gen 3 backplane systems
- Peripheral I/O expansion cards requiring signal re-driving
- Front-panel connectors extending trace length limitations
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to assembly planning. Ensure the component matches the exact part number DS125BR800SQE/NOPB to avoid functional discrepancies related to pinout or electrical characteristics.
Selection Notes
Select this component when eight-channel signal regeneration is required for PCIe links operating up to 8.0 Gbps. Compare power consumption and channel count against alternatives if fewer lanes are sufficient. Verify that the WQFN-54 footprint aligns with the PCB layout constraints and thermal management strategy for the target enclosure design.
Part Context
This device belongs to the DS125BR800 series of PCIe redrivers from Texas Instruments. It complements other interface solutions like the DS125BR401, which offers four channels, providing scalability for different lane configurations. The series addresses signal integrity challenges in high-speed digital designs where passive components cannot adequately restore degraded waveforms.
Replacement Considerations
The DS125BR800SQ/NOPB is a variant within the same family. Cross-reference the datasheet to determine if the non-E suffix differs only in packaging or testing parameters. No direct third-party substitutes are confirmed in the provided documentation; verify compatibility carefully if considering alternative manufacturers.
