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Product Detailed Parameters
- Description：PCI-EXPRESS GEN-4 X8 RETIMER
- Series：PCI Express® (PCIe)
- Mfr：Astera Labs, Inc.
- Package：Tray
- Type：Retimer
- Applications：PCI Express®
- Input：-
- Output：-
- Data Rate (Max)：-
- Number of Channels：-
- Delay Time：-
- Signal Conditioning：-
- Voltage - Supply：-
- Current - Supply：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：332-LFBGA, FCCSPBGA
- Supplier Device Package：332-FCCSP (13.4x8.5)
- Capacitance - Input：-
- Grade：-
- Qualification：-
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Overview
The PT4080LRS is a PCIe Retimer manufactured by Astera Labs, Inc., belonging to the Aries family of signal integrity solutions. Designed for high-speed serial interfaces, this component supports PCIe Gen 4 specifications with an eight-lane configuration. It utilizes a small form-factor FC-CSP-354 package suitable for surface-mount technology applications. The device functions as a signal buffer and repeater to extend transmission distances and maintain signal quality in complex system architectures.
Feature Summary
- Supports PCIe Gen 4 signaling standards
- Provides eight-channel lane connectivity
- Utilizes compact FC-CSP packaging
Applications
- High-performance computing server backplanes
- Storage area network infrastructure
- Enterprise networking equipment
Procurement Notes
Verify the specific manufacturer part number against official Astera Labs documentation to ensure compatibility with design requirements. Confirm package type and interface specifications prior to integration. Cross-reference datasheets for electrical characteristics and thermal performance limits to validate suitability for the target application environment.
Selection Notes
Select this retimer when designing systems requiring PCIe Gen 4 compliance with eight lanes. Ensure the PCB layout accommodates the FC-CSP-354 package dimensions. Evaluate signal integrity needs against the device's buffering capabilities. Verify power supply requirements and thermal management strategies during the initial design phase.
Part Context
This component is part of the Aries series from Astera Labs, focused on enhancing signal integrity for high-speed data links. It serves as a critical element in maintaining reliable communication between host processors and peripheral devices in demanding digital environments.
Replacement Considerations
Consult official Astera Labs documentation for qualified alternative part numbers within the same product family. Verify pinout compatibility and electrical parameter alignment before substituting any other components.
