PI5C3253WEX Equivalent & Substitute Parts

Part Overview

The PI5C3253WEX is a 2 x 4:1 Multiplexer/Demultiplexer logic IC manufactured by Diodes Incorporated in a 16-SOIC surface mount package. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity. The part operates on single supply voltage and is suitable for applications requiring high-speed signal switching and multiplexing functions.

Substiute Parts

PI5C3253WEX

Diodes IncorporatedIn Stock: 804PI5C3253WEX Datasheet

Current PartRFQ

QS3253S1G8

IDT, Integrated Device Technology IncIn Stock: 2302QS3253S1G8 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PI5C3253WEX are identified based on strict parametric equivalence. The following criteria determine substitution validity:

• Circuit configuration: 2 x 4:1 Multiplexer/Demultiplexer topology
• Package type: 16-SOIC surface mount package with identical physical dimensions (0.154", 3.90mm Width)
• Voltage supply range: 4.75V ~ 5.25V single supply operation
• Operating temperature range: -40°C ~ 85°C
• Functional classification: Logic multiplexer/demultiplexer

The QS3253S1G8 meets all specified parameters and is classified as an active product, providing design continuity for applications currently using the obsolete PI5C3253WEX.

Parameter Comparison

Engineering Selection Recommendations

The QS3253S1G8 (IDT, Integrated Device Technology Inc) is the direct parametric equivalent for the obsolete PI5C3253WEX. Selection of this substitute is based on:

• Identical circuit topology and pin configuration (2 x 4:1 multiplexer/demultiplexer)
• Matching package specification (16-SOIC with 0.154" width, 3.90mm)
• Equivalent electrical operating parameters (voltage supply and temperature range)
• Active product status ensuring ongoing availability and supply chain continuity
• Identical export classification (EAR99) and tariff coding (HTSUS 8542.39.0001)

The QS3253S1G8 is suitable for direct replacement in applications currently specified for the PI5C3253WEX without circuit redesign or PCB layout modification.

Frequently Asked Questions (FAQ)

Q: Can the QS3253S1G8 be used as a direct replacement for the PI5C3253WEX?

A: Yes. Both parts share identical circuit configuration (2 x 4:1), package type (16-SOIC), voltage supply range (4.75V ~ 5.25V), and operating temperature range (-40°C ~ 85°C). No circuit modifications are required.

Q: What is the primary reason for seeking a substitute for the PI5C3253WEX?

A: The PI5C3253WEX is classified as obsolete. The QS3253S1G8 is an active product, ensuring long-term availability and supply chain reliability.

Q: Are there any package or pinout differences between these parts?

A: No. Both parts use the 16-SOIC package with identical physical dimensions (0.154" width, 3.90mm). Pinout and footprint are equivalent, allowing direct PCB substitution.

Q: Do both parts meet the same compliance standards?

A: Both parts share identical ECCN classification (EAR99) and HTSUS tariff code (8542.39.0001). Compliance documentation should be verified with the respective manufacturers for specific applications.

Q: What is the voltage supply requirement for these multiplexer/demultiplexer ICs?

A: Both parts operate on a single supply voltage in the range of 4.75V ~ 5.25V, typical for standard 5V logic applications.

Q: Are there inventory considerations when selecting between these parts?

A: The QS3253S1G8 is currently in active production with higher inventory availability (2284 pcs), compared to the obsolete PI5C3253WEX (701 pcs remaining stock). For new designs and long-term production, the QS3253S1G8 is the recommended selection.