A54SX32A-BG329

Overview

The A54SX32A-BG329 is a Field Programmable Gate Array from the Microchip SX-A family, utilizing antifuse technology. It provides 48,000 system gates and 2,880 logic modules within a 329-pin Plastic Ball Grid Array (PBGA) package. The device supports up to 249 user-programmable I/O pins and features three global clock networks. It operates with internal performance up to 350 MHz and system performance up to 250 MHz. The component supports mixed-voltage operation at 2.5 V, 3.3 V, and 5 V with 5 V input tolerance.

Feature Summary

• Nonvolatile single-chip solution using metal-to-metal programmable antifuse interconnects for permanent low-impedance connections.
• Hot-swap compliant I/Os allowing safe insertion into active systems without power sequencing requirements.
• Deterministic timing architecture with DirectConnect and FastConnect routing resources for predictable signal propagation.
• Integrated Boundary-Scan Testing (BST) compliant with IEEE Standard 1149.1 (JTAG) for diagnostic verification.

Applications

• High-performance digital logic integration replacing complex gate arrays
• PCI-compliant interface designs supporting 66 MHz operations
• Systems requiring deterministic timing and pin-locking capabilities

Procurement Notes

Verify the specific speed grade suffix associated with the BG329 package, as standard speed variants exist alongside faster options. Confirm RoHS compliance status by checking for the 'G' ordering suffix, which indicates lead-free packaging. Ensure the temperature grade matches the application environment, as commercial and industrial grades are available for this package type.

Selection Notes

Select the appropriate speed grade based on required system performance; standard speed is suitable for general applications, while faster grades offer increased throughput. Verify that the 329-pin PBGA footprint aligns with PCB design constraints. Consider the availability of automotive and military temperature grades if operating in extreme environments, noting that not all speed grades are available for every temperature variant.

Part Context

This component belongs to the Actel SX-A FPGA family, characterized by its antifuse-based nonvolatile architecture. The SX-A series is designed for cost-effective, high-performance designs with low power consumption. The A54SX32A variant specifically targets applications requiring moderate logic density with robust I/O flexibility and secure programming features.

Replacement Considerations

Direct replacements include other packages within the A54SX32A family such as FBGG329 or FGG256, provided pin compatibility is verified. Cross-family migration to newer Microchip FPGA architectures may require significant design rework due to differences in logic structure and programming technology.