A54SX72A-PQG208M

The A54SX72A-PQG208M is a member of the SX-A family of nonvolatile single-chip FPGAs, provided in a 208-pin surface-mount package. It delivers a high-capacity, military-grade programmable logic solution with support for mixed-voltage I/O and robust system-level features for applications requiring deterministic timing, security, and in-system diagnostics.

Targeted at markets that need long-term reliability and configurable logic — including defense, aerospace, and industrial systems — the device combines up to 108,000 system gates with 171 user I/Os and military temperature capability to meet challenging operating environments.

Key Features

• Core performance — Family-level performance up to 250 MHz system performance and 350 MHz internal performance as documented for SX-A devices.
• Logic capacity — 108,000 system gates and 6,036 logic elements with up to 2,012 dedicated flip-flops for complex logic implementation.
• I/O and interfacing — 171 user-programmable I/Os on the 208-pin package; configurable I/O support for 3.3 V / 5 V PCI, 5 V TTL, 3.3 V LVTTL and 2.5 V LVCMOS2 as part of the SX-A family feature set.
• Nonvolatile, single-chip configuration — SX-A family architecture provides a nonvolatile solution that retains configuration without external memory.
• Power and voltage — Wide supply range from 2.25 V to 5.25 V, enabling mixed-voltage operation and 5 V input tolerance with 5 V drive strength (family-level capability).
• Robust I/O behavior — Hot-swap compliant I/Os and configurable weak pull-up/pull-down at power-up; individual output slew rate control (family-level features).
• Security and testability — Actel Secure Programming Technology with FuseLock™ to protect designs, plus boundary-scan testing (IEEE 1149.1) and in-system diagnostics with Silicon Explorer II.
• No embedded SRAM — Total on-chip RAM bits: 0, suitable for designs that rely on distributed logic or external memory.
• Package and mounting — Surface mount 208‑BFQFP (supplier package referenced as 208‑PQFP, 28×28) for PCB assembly.
• Environmental and grade — Military-grade device with operating temperature range of −55 °C to 125 °C and RoHS compliance.

Typical Applications

• Aerospace & Defense systems — Military-grade temperature range and high gate count make the device suitable for avionics, communications subsystems, and other defense electronics requiring rugged operation.
• Industrial control — Deterministic timing and configurable I/Os support motor control, machine automation, and process-control interfaces operating across varied supply voltages.
• PCI-compliant subsystems — SX-A family 66 MHz PCI compliance and configurable 3.3 V/5 V PCI I/O support make the device applicable for legacy and embedded PCI interfaces.
• Field-upgradeable systems — Nonvolatile configuration, in-system diagnostic capabilities, and secure programming support in-field updates and verification without external configuration memories.

Unique Advantages

• High logic density: 108,000 system gates and 6,036 logic elements enable consolidation of multiple discrete functions into a single FPGA, reducing PCB area and parts count.
• Military-grade reliability: −55 °C to 125 °C operating range and MIL-grade designation support deployment in extreme-temperature environments.
• Flexible mixed-voltage I/O: Broad supply range (2.25 V to 5.25 V) and family-level I/O configurability simplify interfacing to legacy and modern logic families.
• Secure, testable designs: Built-in FuseLock programming security and IEEE 1149.1 boundary-scan support facilitate protection and production testability.
• Nonvolatile single-chip architecture: Eliminates the need for external configuration memory and simplifies system startup and field upgrades.
• In-system diagnostics: Support for Silicon Explorer II diagnostics enables on-board verification and troubleshooting during development and in the field.

Why Choose A54SX72A-PQG208M?

The A54SX72A-PQG208M combines a high gate count and substantial logic element resources with military-grade thermal performance and a broad supply voltage window, making it a practical choice for mission-critical, long-life projects that demand robust programmable logic. Its nonvolatile single-chip configuration, I/O flexibility, and built-in security and diagnostics reduce system complexity while supporting secure, field-upgradeable deployments.

This device is well suited to engineers designing rugged communications, defense, or industrial systems who require deterministic timing, in-system verification, and a compact, integrated FPGA solution that simplifies BOM and assembly in surface-mount formats.

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