A54SX16A-TQG144I

The A54SX16A-TQG144I is a nonvolatile SX-A family FPGA offered in a 144-pin thin quad flat pack (144-LQFP) surface-mount package. This device provides 24,000 system gates with 1,452 logic elements and up to 113 user I/O pins, targeting industrial-grade applications requiring mixed-voltage I/O flexibility and in-system programmability.

As part of the SX-A family, the device delivers deterministic timing and integrated system features such as in-system diagnostics and boundary-scan (JTAG), making it suitable for systems that need configurable logic, secure programming, and robust I/O control across 2.25 V to 5.25 V supply ranges.

Key Features

• Logic Capacity 24,000 system gates implemented as approximately 1,452 logic elements, supporting a range of mid-density logic designs.
• User I/O 113 user-configurable I/O pins in the 144-LQFP package for interfacing with external devices and peripherals.
• Nonvolatile Single-Chip FPGA SX-A family architecture provides a nonvolatile, single-chip solution with in-system diagnostic and verification capability.
• Configurable Mixed-Voltage I/O Configurable I/O support for multiple voltage standards and mixed-voltage operation; device-level 5 V input tolerance and selectable drive strength are supported according to the SX-A family datasheet.
• Supply and Temperature Operates from 2.25 V to 5.25 V and specified for industrial temperature range (−40 °C to 85 °C).
• Package and Mounting 144-LQFP (Thin QFP) surface-mount package, supplier device package listed as 144-TQFP (20 × 20 mm).
• System-Level Features Deterministic, user-controllable timing; hot-swap compliant I/Os; power-up/power-down friendly operation without sequencing; boundary-scan testing (IEEE 1149.1).
• Security & Diagnostics Actel Secure Programming Technology with FuseLock™ and in-system diagnostic support via Silicon Explorer II (listed in SX-A family documentation).
• Compliance RoHS compliant.

Typical Applications

• PCI and Bus Interfaces Implement 66 MHz PCI-compliant interfaces and other bus logic using the SX-A family I/O configurability and timing controls.
• Secure Programmable Logic Use the nonvolatile single-chip architecture and FuseLock™ secure programming to protect IP and enable field updates with diagnostic visibility.
• Boundary-Scan and Test Integrate boundary-scan (IEEE 1149.1) for board-level testability and in-system verification during manufacturing and service.
• Mixed-Voltage System Integration Bridge and control mixed-voltage domains in industrial equipment leveraging the device’s 2.5 V, 3.3 V, and 5 V support and 5 V tolerance.

Unique Advantages

• Deterministic Timing: User-controllable timing ensures predictable behavior for timing-critical functions and simplifies timing closure.
• Nonvolatile, Single-Chip Design: Eliminates the need for separate configuration memory while enabling in-system diagnostics and secure programming features.
• Flexible I/O and Mixed-Voltage Operation: Supports multiple I/O standards and mixed-voltage operation across a broad supply range (2.25 V to 5.25 V), reducing the need for external level-shifting components.
• Industrial Rating: Specified for −40 °C to 85 °C operation, suitable for industrial temperature environments.
• Integrated System Test and Security: Boundary-scan (IEEE 1149.1) and Actel FuseLock™ provide testability and IP protection on a single device.
• Compact Surface-Mount Package: 144-LQFP (thin TQFP) packaging balances board real estate with I/O capacity for compact system designs.

Why Choose A54SX16A-TQG144I?

The A54SX16A-TQG144I combines a mid-density logic fabric (approximately 1,452 logic elements and 24,000 system gates) with a nonvolatile SX-A architecture, making it a practical choice for industrial designs that require reliable in-system programmability, boundary-scan testability, and configurable mixed-voltage I/O. Its broad supply voltage support and industrial temperature rating help simplify system power and thermal planning.

As part of the SX-A family, this device aligns with other density options in the same family, enabling design teams to select capacity appropriate to their performance and integration needs while retaining common architecture and system features.

Request a quote or submit an inquiry to purchase the A54SX16A-TQG144I and evaluate its suitability for your next industrial or mixed-voltage system design.