A54SX16A-1PQ208M

The A54SX16A-1PQ208M is a military-grade member of the SX-A family of nonvolatile FPGAs. It provides 24,000 system gates implemented across approximately 1,452 logic elements and 175 user I/Os in a 208-pin PQFP package, targeting high-reliability embedded applications that require single-chip, reprogrammable logic.

Built for mixed-voltage interfacing and rugged environments, this device combines deterministic timing, nonvolatile configuration, and boundary-scan support to simplify system integration and verification in demanding designs.

Key Features

• Core Capacity — Approximately 24,000 system gates implemented in roughly 1,452 logic elements, supporting medium-density FPGA designs.
• User I/O — 175 user-programmable I/O pins with configurable support for mixed-voltage operation and 5 V input tolerance as described for the SX-A family.
• Nonvolatile Single-Chip Solution — Family-level support for nonvolatile, single-chip configuration eliminates the need for external configuration memory.
• Performance and Speed Grade — Part includes the –1 speed grade (approximately 15% faster than standard, per SX-A datasheet) and family performance references include up to 250 MHz system performance and up to 350 MHz internal performance.
• Voltage Range — Flexible supply operation from 2.25 V to 5.25 V to accommodate mixed-voltage systems and I/O standards.
• Temperature and Grade — Military temperature grade rated for operation from –55 °C to 125 °C, supplied in a military-grade package variant.
• Package & Mounting — 208-pin BFQFP / PQFP (28 × 28 mm footprint) in a surface-mount package for board-level assembly.
• System Integration & Test — Family-level features include boundary-scan (IEEE 1149.1 JTAG) and in-system diagnostic/verification capability (Silicon Explorer II referenced in family datasheet).
• Power-Up/Down Friendly I/O — SX-A family characteristics include power-up/down friendly operation without supply sequencing and configurable weak pull-up/pull-down on I/Os at power-up.
• RoHS Compliance — Device is RoHS compliant for environmental requirements.
• Embedded Memory — No on-chip RAM (total RAM bits = 0), suitable for designs that use external memory or are configured without embedded block RAM.

Typical Applications

• Military and Rugged Embedded Systems — Military temperature grading and a robust PQFP package make this device suitable for deployed systems requiring extended temperature operation and long-term reliability.
• Mixed-Voltage Interface and Legacy I/O — Configurable I/O and 5 V tolerance support integration with legacy peripherals and mixed-voltage system domains.
• PCI and Bus Interface Logic — SX-A family-level support for 66 MHz PCI and deterministic timing supports development of bus-interface glue logic and protocol adaptors.
• In-System Verification and Diagnostics — JTAG boundary-scan and family diagnostic tools enable board-level testability and in-field verification workflows.

Unique Advantages

• Nonvolatile, Single-Chip Configuration: Eliminates external configuration memory and simplifies board-level BOM and startup sequencing.
• Wide Supply Flexibility: Operates across 2.25 V to 5.25 V, enabling use in mixed-voltage environments and simplifying power-domain design.
• Military Temperature Range: Rated from –55 °C to 125 °C for applications that demand extended temperature operation and reliability.
• Deterministic Timing and Speed Options: Available in the –1 speed grade for increased performance relative to the standard family device; family references provide clear timing determinism.
• Integrated Testability: Boundary-scan (IEEE 1149.1) and family diagnostic support improve manufacturability and in-field diagnostics.
• Surface-Mount PQFP Packaging: 208-pin PQFP (surface mount) offers a compact footprint for complex I/O and logic requirements while supporting standard PCB assembly processes.

Why Choose A54SX16A-1PQ208M?

The A54SX16A-1PQ208M positions itself as a robust, military-grade FPGA option within the SX-A family, offering approximately 24,000 system gates, 1,452 logic elements, and 175 user I/Os in a single, nonvolatile chip. Its wide supply voltage range, configurable I/Os with 5 V tolerance, and extended temperature rating make it suited to high-reliability embedded designs that require deterministic behavior and in-system testability.

Choose this device when your design requires a reprogrammable, single-chip logic solution with family-proven features such as boundary-scan, power-up/down friendly I/Os, and options for increased speed via the –1 speed grade. The A54SX16A-1PQ208M is ideal for engineering teams balancing performance, mixed-voltage integration, and long-term reliability.

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