A54SX16A-TQG100M

The A54SX16A-TQG100M is a military-grade SX-A family FPGA from Microchip Technology designed for robust, nonvolatile programmable logic in demanding embedded systems. This device delivers 24,000 system gates arranged as approximately 1,452 logic elements and provides 81 user I/Os in the 100-pin package, making it suitable for compact, high-reliability designs.

Built on the SX-A family architecture, the device supports nonvolatile single-chip configuration, configurable I/O standards and mixed-voltage operation, targeting markets that require secure, deterministic logic and wide operating temperature capability.

Key Features

• Logic Capacity — Approximately 24,000 system gates implemented as about 1,452 logic elements to implement medium-complexity glue logic, control functions and custom state machines.
• Performance — SX-A family performance characteristics including published system and internal frequency targets for the family, supporting high-speed internal and system-level designs.
• I/O Flexibility — 81 user-programmable I/Os (100-pin package) with configurable support for multiple I/O standards and mixed-voltage operation; devices in the family support 2.5 V, 3.3 V and 5 V signaling options with 5 V input tolerance and 5 V drive strength.
• Voltage Range — Wide supply range from 2.25 V to 5.25 V for flexible integration into mixed-voltage systems.
• Nonvolatile Single-Chip Configuration — SX-A family architecture provides a nonvolatile configuration solution that eliminates the need for external configuration memory.
• Power and I/O Robustness — Hot-swap compliant I/Os and power-up/power-down friendly behavior (no sequencing required for supply voltages); configurable weak pull-up/pull-down at power-up and individual output slew rate control.
• Security and Test — Family-level security with Actel Secure Programming technology (FuseLock) to protect designs, plus IEEE 1149.1 (JTAG) boundary-scan for manufacturing test and in-system diagnostics.
• Package and Mounting — Surface-mount 100-LQFP package (supplier device package: 100-TQFP 14×14) optimized for space-constrained PCBs requiring reliable soldered placement.
• Temperature Grade — Military-grade operation with specified operating range from −55 °C to 125 °C for high-reliability and harsh-environment applications.
• Embedded Memory — Device data indicates 0 on-chip RAM bits; suitable for designs that implement external memory or register-based logic.

Typical Applications

• Military and Aerospace Systems — Use in ruggedized control and signal-processing modules where military temperature range and nonvolatile configuration are required.
• Industrial Control — Implementation of deterministic control logic, interface bridging and custom state machines in factory automation and process-control equipment.
• Secure Embedded Systems — Systems that require design protection and in-system diagnostic capability benefit from FuseLock security and JTAG boundary-scan.
• Telecommunications and Infrastructure — Compact I/O-intensive functions, protocol glue logic and interface adaptation in network equipment and backplane systems.

Unique Advantages

• Military-Grade Reliability: Specified operation from −55 °C to 125 °C supports deployment in harsh and high-reliability environments.
• Nonvolatile, Single-Chip Configuration: Eliminates external configuration memory, simplifying BOM and improving system robustness at power-up.
• Flexible Mixed-Voltage I/O: Broad supply window (2.25–5.25 V) and family support for multiple I/O standards enable easy interfacing to legacy and modern logic levels.
• Integrated Security Features: FuseLock secure programming technology and JTAG boundary-scan provide protection against reverse engineering and support production test.
• Hot-Swap and Power-Friendly I/Os: I/O design supports hot-swap conditions and requires no strict supply sequencing, simplifying board-level power management.
• Compact Package with Ample I/O: 100-pin LQFP package offers 81 user I/Os in a compact footprint for space-constrained designs.

Why Choose A54SX16A-TQG100M?

The A54SX16A-TQG100M positions itself as a compact, military-grade FPGA option within the SX-A family for designers who need nonvolatile, secure programmable logic with flexible I/O and wide voltage support. With roughly 1,452 logic elements and 24,000 system gates in a 100-pin package, it fits applications requiring moderate logic density, deterministic behavior and in-system testability.

This device is well suited for teams designing high-reliability embedded systems that require military temperature performance, design protection and straightforward mixed-voltage interfacing. Its family-level diagnostics, security and power-friendly I/O characteristics deliver long-term value in maintenance, production testing and system robustness.

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