PI3PCIE3212ZBEX

Analog Switches - Special Purpose Overview

The PI3PCIE3212ZBEX is a PCIe Gen3.0, 8Gbps, bidirectional multiplexer/demultiplexer switch manufactured by Diodes Incorporated. It features two differential channels with a 2:1 Mux/DeMux configuration and operates on a single 3.3V ± 10% supply voltage. The device supports industrial temperature ranges from -40°C to +85°C and offers low bit-to-bit skew of 10ps maximum. Key electrical parameters include an 8.1GHz 3dB bandwidth, -1.7dB insertion loss at 4GHz, and -32dB crosstalk at 4GHz. It is housed in a 20-contact TQFN package.

Analog Switches - Special Purpose Feature Summary

• Supports PCI Express 3.0 performance at 8.0Gbps with bidirectional operation
• Provides low signal attenuation through optimized channel-to-channel noise isolation
• Features minimal propagation delay and skew for high-speed data integrity

Analog Switches - Special Purpose Applications

• Switching PCI Express 3.0 lane outputs between two inputs in notebooks and PCs
• Routing signals for servers and embedded devices requiring low signal attenuation
• Signal routing for DP1.2, USB3.0, SAS2.0, SATA3.0, XAUI, and RXAUI protocols

Analog Switches - Special Purpose Procurement Notes

Verify the component authenticity by checking the manufacturer marking against the datasheet specifications. Confirm the package type matches the required 20-contact TQFN form factor. Ensure the ordering suffix corresponds to the correct tape and reel packaging configuration for automated assembly processes.

Analog Switches - Special Purpose Selection Notes

Select this component when designing systems that require switching a single PCI Express 3.0 lane between two sources or destinations. Consider the 20-contact TQFN package dimensions for PCB layout constraints. Evaluate the power consumption requirements against the typical operating current of 0.2mA to ensure compatibility with system power budgets.

Analog Switches - Special Purpose Part Context

This part belongs to the PI3PCIE3212 product line from Diodes Incorporated, designed specifically for high-speed interface switching. It serves as a critical interconnect solution for modern computing platforms where signal integrity and low latency are paramount for maintaining PCIe Gen3.0 compliance.

Analog Switches - Special Purpose Replacement Considerations

The PI3PCIE3212XUAEX is a verified alternative offering identical functionality within an 18-pin X2QFN package. Verify pinout compatibility and thermal characteristics before substituting, as the physical footprint differs significantly from the standard TQFN variant.

Analog Switches - Special Purpose FAQ

What is the maximum bit-to-bit skew specified for the PI3PCIE3212?

The maximum bit-to-bit skew within the same differential pair is specified as 10ps.

How does the SEL pin control the switching function?

When the SEL pin is Low, the switch connects Port A to Port B. When the SEL pin is High, it connects Port A to Port C.

What is the typical power consumption of the device during operation?

The typical total current drawn from the 3.3V supply during operation is 0.2mA.