PI3WVR12612NEE Equivalent & Substitute Parts

Part Overview

The PI3WVR12612NEE is a video switch IC manufactured by Diodes Incorporated, designed for DisplayPort and HDMI applications. This component functions as a 1-channel 2:1 multiplexer/demultiplexer with a -3dB bandwidth of 4.1 GHz, operating at a single supply voltage of 3.3V. The device is packaged in a 50-TFBGA (5x5) form factor and is currently classified as obsolete. Due to its obsolete status, identifying functionally equivalent substitute components is essential for ongoing system design, maintenance, and production continuity.

Substiute Parts

PI3WVR12612NEE

Diodes IncorporatedIn Stock: 6773PI3WVR12612NEE Datasheet

Current PartRFQ

AD8194ACPZ

Analog Devices Inc.In Stock: 2767AD8194ACPZ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute components for the PI3WVR12612NEE are identified based on the following critical parameters that determine functional equivalence:

• Multiplexer/Demultiplexer Circuit Configuration: 2:1 topology
• Video Interface Support: HDMI and related digital video standards
• Supply Voltage Compatibility: Single supply operation within or overlapping the 3.3V range
• Bandwidth Performance: Minimum -3dB bandwidth sufficient for video signal integrity
• Mounting and Packaging: Surface mount technology with BGA or equivalent high-density packaging
• Compliance Standards: RoHS3 compliance and MSL rating for manufacturing compatibility

The AD8194ACPZ qualifies as a substitute based on its 2:1 multiplexer/demultiplexer architecture, HDMI/TMDS video interface support, compatible supply voltage range (3.0V to 3.6V encompasses the 3.3V requirement), surface mount packaging, and equivalent compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The AD8194ACPZ is an active product from Analog Devices Inc., providing a direct functional substitute for the obsolete PI3WVR12612NEE. Both components maintain ROHS3 compliance and identical MSL ratings, ensuring compatibility with standard manufacturing and storage protocols. The AD8194ACPZ operates within a supply voltage range of 3.0V to 3.6V, which encompasses the 3.3V requirement of the original part. Both components share identical export classification (EAR99) and tariff codes (8542.39.0001), simplifying procurement and regulatory documentation.

The primary design consideration is the package transition from 50-TFBGA to 32-VFQFN with exposed pad. This change requires PCB layout modification and thermal management evaluation. The AD8194ACPZ provides four channels compared to the single channel of the PI3WVR12612NEE, offering additional functionality for multi-signal switching applications. The buffered TMDS feature set of the AD8194ACPZ supports HDMI, DVI, and TMDS protocols, maintaining full compatibility with the video interface requirements of the original design.

Frequently Asked Questions (FAQ)

Q: Can the AD8194ACPZ directly replace the PI3WVR12612NEE without PCB modifications?

A: No. The package change from 50-TFBGA (5x5) to 32-VFQFN (5x5) requires PCB layout redesign. Pin assignments and thermal pad placement differ between the two packages. A complete schematic and layout review is necessary before implementation.

Q: What is the significance of the channel count difference (1 vs. 4)?

A: The PI3WVR12612NEE provides a single 2:1 switch, while the AD8194ACPZ integrates four independent 2:1 switches. In applications requiring only one channel, the additional channels of the AD8194ACPZ remain unused but do not compromise functionality. System design must account for the increased pin count and package footprint.

Q: Are the supply voltage ranges compatible?

A: Yes. The PI3WVR12612NEE operates at 3.3V, and the AD8194ACPZ operates across 3.0V to 3.6V. The 3.3V nominal supply voltage falls within the AD8194ACPZ operating range, ensuring electrical compatibility.

Q: What are the compliance and regulatory implications of this substitution?

A: Both components are ROHS3 compliant with identical MSL ratings (3, 168 Hours) and export classifications (EAR99). No additional regulatory documentation or certification is required for the substitution from a compliance perspective.

Q: How does the buffered TMDS feature of the AD8194ACPZ affect system performance?

A: The buffered TMDS architecture of the AD8194ACPZ provides signal conditioning and impedance matching for HDMI and DVI protocols. This feature enhances signal integrity compared to passive switching and is fully compatible with HDMI video interface requirements.

Q: What thermal considerations apply to the package change?

A: The 32-VFQFN package includes an exposed pad for thermal dissipation. PCB thermal design must ensure adequate copper area and via placement beneath the exposed pad to maintain thermal performance equivalent to the original 50-TFBGA design.