A54SX72A-1FG256M

The A54SX72A-1FG256M is a military-grade SX-A family FPGA from Microchip Technology. It delivers a nonvolatile, single-chip FPGA solution with 108,000 system gates and 6,036 logic elements, packaged in a 256-pin fine-pitch BGA (1.0 mm pitch, 17×17).

Designed for demanding environments, this device provides wide voltage support, robust I/O capability and deterministic timing features suited to secure, high-reliability embedded systems.

Key Features

• Logic Density: 108,000 system gates and 6,036 logic elements provide substantial on-chip logic for mid- to high-density designs.
• Flip-Flops and Internal Resources: Up to 2,012 dedicated flip-flops to support complex sequential logic and state machines.
• I/O Capability: 203 user-programmable I/O pins with configurable I/O standards and individual output slew rate control to match mixed-voltage interfaces.
• Performance: Family-level performance up to 250 MHz system performance and 350 MHz internal performance for timing-critical applications.
• Voltage and I/O Standards: 2.25 V to 5.25 V supply range with support for 2.5 V, 3.3 V and 5 V mixed-voltage operation; 5 V input tolerance and 5 V drive strength where applicable.
• Package & Mounting: 256-pin fine-pitch BGA (256-FPBGA, 17×17) for compact, surface-mount board designs.
• Temperature & Grade: Military-grade device rated for operation from −55 °C to 125 °C.
• System & Reliability Features: Nonvolatile single-chip solution, hot-swap compliant I/Os, power-up/down friendly behavior (no sequencing required), and IEEE 1149.1 boundary-scan (JTAG) support.
• Security & Test: Actel Secure Programming Technology with FuseLock™ to prevent reverse engineering and protect intellectual property; in-system diagnostic and verification capability (Silicon Explorer II).
• PCI Support: 66 MHz PCI-compliant interface support as documented for the SX-A family.
• Environmentally Compliant: RoHS compliant.

Typical Applications

• Military and Rugged Systems: Military-grade temperature range (−55 °C to 125 °C) and surface-mount 256-BGA package make the device suitable for rugged embedded controllers and avionics subsystems.
• PCI-Based Embedded Controllers: Family-level 66 MHz PCI compliance and flexible I/O standard support enable PCI interface implementations and peripheral bridging.
• Secure and Mission-Critical Designs: FuseLock™ secure programming and in-system diagnostic capability support designs that require protection against reverse engineering and field verification.
• Mixed-Voltage Systems: Support for 2.5 V, 3.3 V and 5 V mixed-voltage operation with 5 V tolerant I/Os suits designs that must interface to legacy and modern logic levels.

Unique Advantages

• High Logic Capacity: 108,000 system gates and 6,036 logic elements deliver the resources needed for complex logic integration, reducing external glue logic.
• Wide Voltage Flexibility: 2.25 V to 5.25 V supply range and mixed-voltage I/O support simplify integration across diverse board domains.
• Rugged Temperature Rating: Military-grade operation from −55 °C to 125 °C enables deployment in harsh and temperature-extreme environments.
• Nonvolatile Single-Chip Solution: Eliminates the need for external configuration memory, simplifying power-up behavior and system design.
• Security-First Design: FuseLock™ secure programming protects IP and supports secure product implementations.
• Built-In Testability: Boundary-scan (IEEE 1149.1) and in-system diagnostic features improve fault isolation and manufacturing test flows.

Why Choose A54SX72A-1FG256M?

The A54SX72A-1FG256M combines significant logic capacity, flexible mixed-voltage I/O, and military-grade temperature performance in a compact 256-FPBGA package. Its nonvolatile single-chip architecture and security features cater to applications that require reliable, field-deployable programmable logic with built-in protection and testability.

This device is well suited for engineers designing rugged embedded systems, secure controllers, and mid- to high-density FPGA-based subsystems where deterministic timing, robust I/O, and long-term reliability are priorities.

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