P8X32A-M44 Equivalent & Substitute Parts

Part Overview

The P8X32A-M44 is a Propeller™ Microcontroller IC featuring 32-bit 8-core architecture operating at 80MHz with 32KB ROM and 32K x 8 RAM. The device is packaged in a 44-QFN (9x9) surface mount configuration with 32 I/O pins. This part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Substiute Parts

P8X32A-M44

Parallax Inc.In Stock: 1078P8X32A-M44 Datasheet

Current PartRFQ

P8X32A-Q44

Parallax Inc.In Stock: 5100P8X32A-Q44 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P8X32A-M44 is determined by equivalence across the following critical parameters:

Core Functional Parameters:

• Base product number (P8X32A series)
• Core architecture (32-Bit 8-Core)
• Operating frequency (80MHz)
• Memory configuration (32KB ROM, 32K x 8 RAM)
• I/O count (32 pins)
• Internal oscillator type

Compliance Parameters:

• RoHS compliance status
• ECCN and HTSUS classifications

The P8X32A-M44 differs from substitute parts primarily in packaging format. The M44 variant uses 44-QFN (9x9) surface mount packaging, while alternative configurations within the P8X32A family employ different package types. Substitution is valid when the base product number, core specifications, and memory architecture remain identical, with package type as the distinguishing variable.

Parameter Comparison

Engineering Selection Recommendations

P8X32A-Q44 as Primary Substitute:

The P8X32A-Q44 is the functionally equivalent substitute for the P8X32A-M44. Both devices share identical core specifications, memory architecture, I/O configuration, and operating parameters. The P8X32A-Q44 maintains active product status, ensuring continued availability and supply chain support.

Package Consideration:

The primary distinction between these parts is packaging format. The P8X32A-M44 uses 44-QFN (9x9) with exposed pad, while the P8X32A-Q44 uses 44-LQFP (10x10). PCB layout and footprint design must be modified to accommodate the different package geometry. The QFN package provides a smaller footprint (9x9mm versus 10x10mm), while the LQFP package offers different thermal and electrical characteristics.

Compliance Status:

Both parts are RoHS compliant and share identical ECCN and HTSUS classifications, ensuring regulatory equivalence for procurement and export purposes.

Moisture Sensitivity:

The P8X32A-Q44 specifies MSL 3 (168 hours), compared to MSL 1 (unlimited) for the P8X32A-M44. This affects storage and handling requirements but does not impact functional performance.

Frequently Asked Questions (FAQ)

Q: Can the P8X32A-Q44 directly replace the P8X32A-M44 without design changes?

A: Functional replacement is direct; however, PCB layout modification is required due to package format differences. The QFN and LQFP packages have different footprints, pin arrangements, and thermal pad configurations.

Q: Are the electrical specifications identical between these parts?

A: Yes. Both parts share identical core architecture (32-bit 8-core), operating frequency (80MHz), memory configuration (32KB ROM, 32K x 8 RAM), I/O count (32), and internal oscillator type. Electrical performance is equivalent.

Q: What is the significance of the different product status classifications?

A: The P8X32A-M44 is classified as obsolete, indicating discontinued production. The P8X32A-Q44 maintains active status, ensuring ongoing availability, technical support, and supply chain continuity for new designs and production runs.

Q: How does the package difference affect thermal management?

A: Both packages are surface mount configurations. The QFN package includes an exposed pad for enhanced thermal dissipation, while the LQFP package relies on lead-based heat transfer. Thermal performance characteristics differ and must be evaluated based on specific application requirements.

Q: Are there any compliance or certification differences?

A: Both parts are RoHS compliant with identical ECCN and HTSUS classifications. No compliance barriers exist for substitution.

Q: What does MSL 3 (168 hours) mean for the P8X32A-Q44?

A: Moisture Sensitivity Level 3 specifies that the component must be used within 168 hours of package opening under standard humidity conditions. Proper storage in dry conditions or desiccant packaging is required. The P8X32A-M44 with MSL 1 has no time-based moisture sensitivity restriction.