A54SX16A-1TQG144M

The A54SX16A-1TQG144M is a SX‑A family Field Programmable Gate Array (FPGA) from Microchip Technology, supplied in a 144-pin LQFP/TQFP surface-mount package. It provides approximately 24,000 system gates implemented across 1,452 logic elements with 111 user I/Os, targeting applications that require nonvolatile FPGA functionality with military temperature capability.

Built on the SX‑A architecture, this device delivers family-level features such as nonvolatile single‑chip configuration, deterministic timing, and in‑system diagnostics aimed at designs requiring secure programming and robust I/O control across mixed-voltage environments.

Key Features

• Core Capacity  1,452 logic elements and approximately 24,000 system gates to implement control, glue logic, and medium-complexity digital functions.
• User I/O  111 programmable user I/Os with configurable I/O support for 3.3 V / 5 V PCI, 5 V TTL, 3.3 V LVTTL and 2.5 V LVCMOS2 levels, plus 5 V input tolerance and 5 V drive strength options.
• Performance  Family-level performance indicators include up to 250 MHz system performance and up to 350 MHz internal performance (SX‑A family specifications).
• Nonvolatile, Single‑Chip Configuration  Single‑chip nonvolatile architecture eliminates separate configuration memory and supports power‑up/power‑down friendly operation without sequencing.
• Security & Programming  Actel Secure Programming Technology with FuseLock™ for IP protection and in‑system programming capabilities.
• Testability & Diagnostics  Boundary-scan testing compliant with IEEE 1149.1 (JTAG) and unique in‑system diagnostic/verification capability with Silicon Explorer II (SX‑A family feature).
• I/O Control  Hot‑swap compliant I/Os, configurable weak pull‑up/pull‑down at power‑up, and individual output slew‑rate control for signal integrity management.
• Power & Voltage  Wide supply range from 2.25 V to 5.25 V to support mixed-voltage systems and flexible board-level integration.
• Package & Mounting  144‑pin LQFP package (supplier device package: 144‑TQFP 20×20) in a surface-mount form factor for compact PCB layouts.
• Environmental & Reliability  Military grade device with operating temperature range from −55°C to +125°C and RoHS compliance.

Typical Applications

• Military and aerospace systems  Use in defense electronics and avionics where military temperature range and ruggedized packaging are required for reliable operation.
• PCI and bus interface logic  Implement PCI-compliant glue logic and interface bridging leveraging configurable I/O and 66 MHz PCI support from the SX‑A family.
• Secure embedded control  On-chip nonvolatile configuration and FuseLock™ security support protected programmable logic in secure systems.
• In-system test and diagnostics  Leverage boundary-scan (JTAG) and SX‑A in‑system diagnostic features for board-level testability and field diagnostics.

Unique Advantages

• Highly integrated logic capacity: 1,452 logic elements and ~24,000 system gates reduce external glue logic and simplify board design.
• Nonvolatile single‑chip solution: Eliminates the need for external configuration memory and simplifies power sequencing on the board.
• Mixed-voltage flexibility: 2.25 V to 5.25 V supply range with configurable I/O standards and 5 V tolerance supports diverse system voltage domains.
• Designed for harsh environments: Military-grade temperature rating (−55°C to +125°C) enables deployment in demanding thermal conditions.
• Built-in security and diagnostics: FuseLock™ programming and in‑system diagnostic capabilities enhance IP protection and facilitate verification and maintenance.
• Test and integration friendly: IEEE 1149.1 boundary-scan support and configurable I/O features streamline production test and board bring-up.

Why Choose A54SX16A-1TQG144M?

The A54SX16A-1TQG144M positions itself as a robust, nonvolatile FPGA option within the SX‑A family that balances moderate logic capacity with comprehensive I/O configurability and military-rated environmental capability. It is suited to designs that require secure, deterministic programmable logic in a compact 144‑pin surface-mount package.

Designers seeking a field-programmable device with family-proven features—such as in‑system diagnostics, boundary-scan testing, configurable I/O standards, and FuseLock™ security—will find this device aligned with applications that demand reliable operation across mixed-voltage domains and extreme temperatures.

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