A54SX32A-2FGG484

The A54SX32A-2FGG484 is a commercial-grade SX-A family FPGA from Microchip Technology offering a nonvolatile, single-chip programmable fabric with 48,000 system gates and 2,880 logic elements. With up to 249 user-programmable I/O and support for mixed-voltage operation, the device is tailored for designers requiring a mid-range, reconfigurable logic solution in surface-mount 484-ball fine-pitch BGA packaging.

Key value drivers include multi-voltage I/O flexibility, deterministic timing features, and system-level performance characteristics published for the SX-A family, enabling integration of control logic, glue functions and bus interfaces in commercial-temperature applications (0 °C to 70 °C).

Key Features

• Logic Capacity: 48,000 system gates and 2,880 logic elements provide a mid-range fabric for implementing custom logic, state machines and glue logic.
• I/O and Pin Count: Up to 249 user-programmable I/O pins accommodate dense system interconnects and peripheral interfaces in a single device.
• Package & Mounting: 484-ball fine-pitch BGA (484-FPBGA, 27×27) optimized for surface-mount assembly and compact board layouts.
• Voltage Flexibility: Supports 2.25 V to 5.25 V supply range with configurable I/O options for 2.5 V, 3.3 V and 5 V signaling and 5 V input tolerance.
• Performance (SX-A family): Published family-level performance includes up to 250 MHz system performance and up to 350 MHz internal performance for timing-sensitive designs.
• Power-Up/Down Friendly: No sequencing required for supply voltages, simplifying power design and board-level integration.
• System & Debug Support: Boundary-scan (IEEE 1149.1 JTAG) and in-system diagnostic/verification capabilities via Silicon Explorer II (family feature).
• Security: Actel Secure Programming Technology with FuseLock™ provides protection against reverse engineering and design theft (family feature).
• Commercial Temperature Grade: Operating temperature specified for commercial use: 0 °C to 70 °C.
• Regulatory & Environmental: RoHS compliant packaging.

Typical Applications

• PCI and Bus Interfaces: Implement 66 MHz PCI-compliant interfaces and custom bus bridging using the device’s mixed-voltage I/O and published family-level PCI support.
• Custom Glue Logic: Replace discrete glue components with a single programmable device to consolidate control logic, decode functions and timing-critical glue circuits.
• Legacy and Mixed-Voltage Interfacing: Use the device’s configurable I/O and 5 V input tolerance to interface between 5 V and lower-voltage system domains.
• In-System Diagnostics and Verification: Integrate boundary-scan and in-system verification features to enable board-level testability and field diagnostics.

Unique Advantages

• Highly Integrated, Nonvolatile FPGA: Single-chip nonvolatile configuration reduces external components required for boot and configuration.
• Flexible I/O Voltage Support: Native support for 2.5 V, 3.3 V and 5 V signaling with 5 V tolerance simplifies mixed-voltage system design.
• Deterministic Timing and Published Performance: Family-level system and internal performance figures help designers target timing-sensitive applications.
• High I/O Density in Compact Package: 249 user I/Os in a 484-ball fine-pitch BGA enable dense interfaces while minimizing PCB area.
• Built-in Security and Testability: FuseLock programming and IEEE 1149.1 boundary-scan support protect IP and aid manufacturing test.

Why Choose A54SX32A-2FGG484?

The A54SX32A-2FGG484 delivers a balanced combination of logic capacity, I/O density and mixed-voltage flexibility in a commercial-temperature, RoHS-compliant 484-FBGA package. It is well suited for designers who need a mid-range, nonvolatile FPGA to consolidate glue logic, implement bus interfaces and enable in-system diagnostics without adding external configuration components.

Backed by Microchip Technology’s SX-A family architecture and the device’s published family-level performance and feature set, this part provides a scalable option within a product family that covers a broad range of system gate counts for future design scalability and platform reuse.

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