Ps331 A1

Updated October 6, 2026

Overview

Product sourcing insights & recommendations

23 来源

The phrase 'PS331 A1' refers to a specific hardware component: the Parade Technologies PS331-A1, an integrated 3-to-1 HDMI/DVI switch chip Paradetech Datasheetcafe.

Product Insights: PS331-A1

* Technical Role: It functions as a "sink switch," allowing a single display (HDTV, monitor, or projector) to connect to up to three different high-definition sources (such as a gaming console, set-top box, and PC) Paradetech Latinafy.

* Key Specifications:

* HDMI 1.4a Support: Handles Deep Color (up to 12 bits) and data rates up to 2.25 Gbps per lane Paradetech Datasheetcafe.

* Package Type: Most commonly found in a TQFP64 (Thin Quad Flat Pack, 64-pin) or QFN64 layout Paradetech Ebay.

* Power: Operates on a low 3.3V supply, designed for energy-efficient consumer electronics Latinafy Alibaba.

* Integrated Features: Includes an equalizer to compensate for cable loss (up to 17dB) and shadow RAM for EDID, which simplifies the PCB design for manufacturers Datasheetcafe Paradetech.

Market Trends & Industry Status

* End-of-Life Status: Parade Technologies currently marks the PS331 as "Not For New Designs" (NRND) Paradetech. This indicates the market has shifted toward newer standards like HDMI 2.0 and 2.1, which support 4K/8K resolutions and higher refresh rates beyond the 1.4a capabilities of this chip.

* Supply Chain Availability:

* Wholesale Market: The component remains available through specialized electronic distributors, primarily in Shenzhen, with prices ranging from $2.20 to $9.99 depending on the quantity and supplier Alibaba Alibaba.

* Aftermarket Demand: Its primary market today is for repair and maintenance of older HDTVs, A/V receivers, and DVRs that use this specific architecture Datasheetcafe Alibaba.

* Competitive Landscape: Modern alternatives have largely replaced this chip in new mass production due to the demand for higher bandwidth and integrated HDCP 2.2/2.3 copy protection, which the PS331 lacks.

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Sources & References

23 sources cited · Verified industry data & reports

PS331 - 3:1 HDMI™/DVI Sink Switch

Parade Technologies, Ltd.

The PS331 is an integrated 3-to-1 HDMI™/DVI switch designed for HDMI/DVI receiver or repeater applications. It integrates all system functions including the ...

P.S. 331

ps331bk.org

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eBay

PS331 PS331-A1. LCD chip nettron-1. We specialize in electronic components more than 10 years, such as ICs, Transistors, Diodes, Resistors, Capacitors and so ...

10pcs/lot PS331 A1 PS331 QFP

Amazon.com.au

10pcs/lot PS331 A1 PS331 QFP. Product summary presents key product information Brand: MiZOELEC 10pcs/lot PS331 A1 PS331. Afterpay Australia Pty Ltd. Australian ...

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Latinafy

The TecnoliveUSA PS331 controller is an exceptional product designed to meet all your HDMI and DVI interface needs. With years of expertise in the electronics ...

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AliExpress

This PS331TQFP64G-A1 is a new, high-performance Drive IC designed specifically for computer systems. Available in 2-piece or 5-piece packs

Ps331 A1

Overview

Product Insights: PS331-A1

Market Trends & Industry Status

Ps331 A1 Hdmi Switch Chip Tqfp64

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Sources & References