74VCX32244G Equivalent & Substitute Parts

Part Overview

The 74VCX32244G is a non-inverting buffer IC manufactured by onsemi, featuring 8 elements with 4 bits per element and 3-state output capability. Designed for 96-FBGA (14.6x5.5) surface mount applications, this component operates across a supply voltage range of 1.2V to 3.6V and supports output currents of 24mA for both high and low states. The product is currently classified as obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations.

Substiute Parts

74VCX32244G

onsemiIn Stock: 102674VCX32244G Datasheet

Current PartRFQ

74ALVCH32244BFG

Renesas Electronics CorporationIn Stock: 155974ALVCH32244BFG Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 74VCX32244G are identified based on the following critical parameters that determine functional and mechanical compatibility:

Core Functional Parameters:

• Logic type: Buffer, Non-Inverting
• Number of elements: 8
• Number of bits per element: 4
• Output type: 3-State
• Output current capability: 24mA (high and low)

Electrical Parameters:

• Supply voltage range compatibility
• Operating temperature range: -40°C ~ 85°C (TA)

Mechanical Parameters:

• Package type: 96-LFBGA
• Mounting type: Surface Mount
• Physical dimensions: 14.6x5.5mm

The 74ALVCH32244BFG from Renesas Electronics Corporation qualifies as a substitute part because it maintains identical functional architecture, output specifications, and package footprint while operating within a compatible but narrower supply voltage range (2.7V ~ 3.6V versus 1.2V ~ 3.6V).

Parameter Comparison

Engineering Selection Recommendations

The 74ALVCH32244BFG is an active product with ROHS3 compliance, providing a viable path forward from the obsolete 74VCX32244G. Both components share identical functional specifications, output drive capabilities, and thermal operating ranges. The primary consideration is the supply voltage range: the substitute operates from 2.7V minimum versus 1.2V for the original part. Applications requiring operation below 2.7V supply voltage cannot use the 74ALVCH32244BFG without circuit redesign. For systems operating within the 2.7V to 3.6V window, the Renesas part provides equivalent performance with the advantage of active product status and modern compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can the 74ALVCH32244BFG directly replace the 74VCX32244G in all applications?

A: Direct replacement is possible only in applications where the supply voltage remains at or above 2.7V. The 74VCX32244G supports operation down to 1.2V supply, while the 74ALVCH32244BFG minimum is 2.7V. Verify your system's supply voltage specification before substitution.

Q: Are the package footprints identical between these parts?

A: Both parts use the 96-LFBGA package with 14.6x5.5mm dimensions. PCB layout and reflow profiles remain compatible.

Q: What is the significance of the different Moisture Sensitivity Levels?

A: The 74VCX32244G has MSL 1 (unlimited floor life), while the 74ALVCH32244BFG has MSL 3 (168-hour floor life). This affects storage and handling procedures. MSL 3 components require more stringent moisture control during assembly.

Q: Why is the 74VCX32244G obsolete?

A: Product obsolescence is determined by the manufacturer. The 74ALVCH32244BFG represents the active alternative in the logic buffer product line.

Q: Are there compliance differences between these parts?

A: The 74ALVCH32244BFG carries ROHS3 compliance certification. Both parts are REACH Unaffected and classified as EAR99 for export control purposes.