A54SX72A-FG484

The A54SX72A-FG484 is a member of the SX-A family of nonvolatile, single-chip FPGAs optimized for high I/O density and complex glue-logic integration. It delivers up to 108,000 system gates and 6,036 logic elements, together with up to 360 user-programmable I/Os, making it suitable for designs that require dense programmable logic and flexible interfacing.

This commercial-grade device supports mixed-voltage operation and PCI-compatible signaling while providing on-chip security and in-system diagnostic capabilities — features aimed at applications that require compact, secure, and reconfigurable logic in a 484-ball fine-pitch BGA package.

Key Features

• Core & capacity — 108,000 available system gates with 6,036 logic elements and up to 2,012 dedicated flip-flops to implement complex logic and state machines.
• I/O and interface flexibility — Up to 360 user-programmable I/O pins with configurable I/O support for 3.3 V / 5 V PCI, 5 V TTL, 3.3 V LVTTL and 2.5 V LVCMOS2. I/Os are hot-swap compliant and support 5 V input tolerance and 5 V drive strength.
• Performance — Documented system performance up to 250 MHz and internal performance up to 350 MHz suitable for demanding glue-logic and interface timing.
• Power and voltage — Wide supply range from 2.25 V to 5.25 V and power-up/power-down friendly operation (no sequencing required for supply voltages).
• Package and mounting — Surface-mount 484-FPBGA (27×27) fine-pitch BGA package (FG = 1.0 mm fine‑pitch BGA) enabling high I/O density in compact board layouts.
• Security and diagnostics — Nonvolatile single-chip configuration and Actel Secure Programming Technology (FuseLock™) to protect designs from reverse engineering; in-system diagnostic and verification via Silicon Explorer II and IEEE 1149.1 (JTAG) boundary-scan testing.
• Output and I/O control — Individual output slew-rate control and configurable weak pull-up or pull-down on I/Os for signal integrity and board-level behavior at power-up.
• Commercial temperature grade — Rated for 0 °C to 70 °C operation for commercial applications.

Typical Applications

• PCI and legacy bus interfaces — 66 MHz PCI compliance and configurable I/O standards make the device suitable for PCI bridging, adaptation, and legacy interface support.
• High-density glue logic and control — High gate count and up to 360 I/Os enable board-level protocol conversion, glue logic and complex control functions in compact systems.
• Mixed-voltage system interfacing — Configurable I/O levels and wide supply range support integration between 5 V, 3.3 V and 2.5 V domains without additional translation components.
• Secure, field-upgradeable designs — Nonvolatile configuration and FuseLock™ help protect intellectual property while enabling in-field reconfiguration and diagnostics.

Unique Advantages

• High logic capacity: 108,000 system gates and 6,036 logic elements provide the headroom to consolidate multiple discrete functions into a single FPGA.
• Extensive I/O capability: Up to 360 user I/Os in a fine-pitch BGA package reduce board-level routing complexity for dense interface designs.
• Mixed-voltage compatibility: Support for 2.5 V, 3.3 V and 5 V operation plus 5 V-tolerant inputs simplifies integration with diverse peripherals and legacy logic.
• Nonvolatile single-chip solution: Eliminates the need for external configuration memory while enabling secure programming and field reconfiguration.
• Built-in test and protection: Boundary-scan (JTAG), Silicon Explorer II diagnostics, and FuseLock™ provide testability and IP protection without extra components.
• Compact, manufacturable package: 484-ball fine-pitch BGA (surface mount) offers a high I/O count in a compact footprint for modern PCB assembly.

Why Choose A54SX72A-FG484?

The A54SX72A-FG484 combines a high gate count and a large number of user I/Os with mixed-voltage I/O support and nonvolatile configuration in a compact 484-FPBGA package. Its documented performance characteristics, in-system diagnostics, and security features make it a practical choice for commercial designs that require dense programmable logic, flexible interfacing, and IP protection.

This device is well suited to engineers consolidating multiple functions into a single programmable device, implementing board-level interface logic, or designing systems that require secure, reconfigurable logic with broad I/O capability and straightforward power sequencing.

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