74VCX32244GX Equivalent & Substitute Parts

Part Overview

The 74VCX32244GX 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 with output current ratings of 24mA for both high and low states.

The 74VCX32244GX is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for systems utilizing this logic buffer architecture.

Substiute Parts

74VCX32244GX

onsemiIn Stock: 91574VCX32244GX Datasheet

Current PartRFQ

74ALVCH32244BFG

Renesas Electronics CorporationIn Stock: 155974ALVCH32244BFG Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 74VCX32244GX are identified based on strict equivalence of core functional and electrical parameters. The substitution criteria are:

• Logic type: Buffer, Non-Inverting
• Element and bit configuration: 8 elements, 4 bits per element
• Output architecture: 3-State output
• Output current capability: 24mA (high and low)
• Package footprint: 96-LFBGA (14.6x5.5)
• Operating temperature range: -40°C ~ 85°C (TA)
• Mounting type: Surface Mount

The 74ALVCH32244BFG meets all substitution criteria. While the supply voltage range differs (2.7V ~ 3.6V versus 1.2V ~ 3.6V), the overlap at 2.7V ~ 3.6V ensures functional compatibility in applications operating within this common range. The MSL rating difference reflects manufacturing process variations and does not affect electrical substitutability.

Parameter Comparison

Engineering Selection Recommendations

The 74ALVCH32244BFG is a direct functional substitute for the 74VCX32244GX. Selection of this substitute is supported by:

• Identical logic architecture, element count, and bit configuration
• Matching output current specifications and 3-state capability
• Overlapping supply voltage range (2.7V ~ 3.6V) suitable for standard 3.3V logic applications
• Identical operating temperature range
• Identical package footprint and mounting type
• Active product status ensuring ongoing availability and supply chain support
• ROHS3 compliance providing regulatory alignment for new designs

The 74ALVCH32244BFG is suitable for direct replacement in applications where the minimum supply voltage requirement of 2.7V is met. For applications requiring operation below 2.7V, the original 74VCX32244GX specification must be maintained.

Frequently Asked Questions (FAQ)

Q: Can the 74ALVCH32244BFG replace the 74VCX32244GX in all applications?

A: The 74ALVCH32244BFG is functionally equivalent for applications operating at supply voltages of 2.7V or higher. Applications requiring operation below 2.7V require the original 74VCX32244GX or alternative parts supporting lower voltage thresholds.

Q: Are the package footprints identical?

A: Both parts use the 96-LFBGA package with identical dimensions (14.6x5.5mm). PCB layout and reflow profiles remain unchanged during substitution.

Q: What is the difference between 96-FBGA and 96-CABGA designations?

A: Both designations refer to the same 96-LFBGA footprint. The supplier device package naming reflects manufacturer conventions; the physical package and pin configuration are identical.

Q: Does the MSL rating difference affect substitutability?

A: MSL ratings reflect moisture sensitivity during storage and handling. The difference between MSL 1 and MSL 3 does not affect electrical performance or functional compatibility. Standard moisture control procedures during assembly remain applicable.

Q: Is the 74ALVCH32244BFG available in the same packaging format?

A: The 74ALVCH32244BFG is supplied in Tray packaging, while the 74VCX32244GX packaging format is not specified in available data. Confirm packaging requirements with your procurement process.