MAX4969CTO+T

Signal Buffers, Repeaters, Splitters Overview

The MAX4969CTO+T is a single-channel PCIe active multiplexer and retimer manufactured by Analog Devices Inc./Maxim Integrated. It supports PCIe Gen1 (2.5GT/s) and Gen2 (5.0GT/s) signal transmission, operating on a +3.3V single power supply with a current consumption of 160mA. The device features independent programmable input equalization, output de-emphasis, and output level selection to enhance signal integrity. It includes built-in 50Ω input/output termination and supports PCIe electrical idle and receive detect functions. The component operates within a commercial temperature range of 0°C to +70°C and is housed in a compact 42-pin TQFN package measuring 3.5mm x 9.0mm.

Signal Buffers, Repeaters, Splitters Feature Summary

• Supports PCIe Gen1 and Gen2 data rates up to 5.0GT/s
• Integrates 50Ω input and output termination resistors
• Provides independent programmable input equalization and output de-emphasis
• Includes electrical idle and receive detect capabilities

Signal Buffers, Repeaters, Splitters Applications

• Blade servers
• Communication switches
• Storage area networks (SAN)
• Test equipment
• Workstations

Signal Buffers, Repeaters, Splitters Procurement Notes

Verify the specific suffix 'CTO' against official manufacturer documentation to confirm exact pinout, thermal characteristics, and environmental compliance status. Ensure compatibility with existing PCB layouts due to the specific 42-pin TQFN footprint dimensions. Cross-reference datasheet revision dates to validate parameter accuracy before finalizing procurement specifications.

Signal Buffers, Repeaters, Splitters Selection Notes

Select this component for designs requiring signal conditioning for PCIe Gen1 or Gen2 links where space constraints favor a small TQFN package. Consider the 160mA supply current for power budget calculations. Verify that the required signal integrity improvements align with the available equalization and de-emphasis settings provided by the device architecture.

Signal Buffers, Repeaters, Splitters Part Context

The MAX4969 belongs to Maxim Integrated's portfolio of high-speed interface solutions designed for digital systems. It serves as an active repeater and multiplexer to extend trace lengths and improve signal quality in high-speed serial communication paths. The device addresses signal degradation issues common in dense electronic assemblies requiring reliable PCIe connectivity.

Signal Buffers, Repeaters, Splitters Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.