A54SX72A-FGG484I

Overview

The A54SX72A-FGG484I is an industrial-grade Field Programmable Gate Array from the Actel SX-A family, housed in a 484-pin Fine Pitch Ball Grid Array package. It provides 108,000 system gates and 6,036 logic modules, including dedicated flip-flops. The device supports up to 360 user-programmable I/O pins and operates within an industrial temperature range of -40°C to +85°C. It utilizes 0.22/0.25 μm CMOS antifuse technology, enabling internal clock frequencies up to 350 MHz and system performance up to 250 MHz.

Feature Summary

• Nonvolatile single-chip solution using metal-to-metal programmable antifuse interconnects for permanent configuration without external memory.
• Hot-swap compliant I/Os allowing insertion into active systems without power sequencing requirements or system damage.
• Configurable I/O standards supporting mixed-voltage operation with 5 V input tolerance and drive strength across 2.5 V, 3.3 V, and 5 V domains.
• Deterministic timing architecture featuring DirectConnect and FastConnect routing resources for predictable signal propagation delays.

Applications

• High-performance digital signal processing and data path logic requiring deterministic latency.
• Industrial control systems operating in harsh environments with extended temperature ranges.
• PCI-compliant interface designs utilizing 66 MHz PCI specifications.
• Secure embedded applications leveraging FuseLock technology to prevent reverse engineering.

Procurement Notes

Verify the specific ordering suffix 'I' confirms the Industrial temperature grade (-40°C to +85°C) and the 'FGG' package designation for the 484-pin FBGA. Confirm RoHS compliance status via the 'G' suffix if required by assembly specifications. Cross-reference the datasheet revision date to ensure alignment with current manufacturing guidelines and availability constraints for discontinued speed grades.

Selection Notes

Select this device when high gate density and nonvolatile configuration are required without external boot memory. Ensure the design fits within the 6,036 logic module capacity and 360 I/O limit. Verify that the 0.22/0.25 μm process technology meets the voltage and performance requirements for the target application environment compared to newer flash-based FPGA families.

Part Context

This component belongs to the Actel SX-A family of antifuse FPGAs, which were later integrated into Microchip Technology's portfolio following the acquisition of Actel. The SX-A series is distinguished by its sea-of-modules architecture and patented antifuse interconnects, offering high reliability and security features suitable for aerospace, defense, and industrial markets where nonvolatility is critical.

Replacement Considerations

Direct pin-compatible replacements are not available due to the proprietary antifuse architecture. Consider Microchip's PolarFire or IGLOO2 families for modern equivalents, though these utilize different fabrication processes and require redesign of the board layout and programming infrastructure.