A54SX16P-1TQG176

The A54SX16P-1TQG176 is a nonvolatile SX-A family FPGA offered by Microchip Technology in a 176-pin thin quad flat pack (176-LQFP / 176-TQFP) surface-mount package. It provides 24,000 system gates and 1,452 logic elements, together with up to 147 user I/Os for mid-density, reprogrammable digital logic integration.

Designed for commercial-temperature embedded applications, this device targets designs requiring mixed-voltage I/O compatibility, nonvolatile configuration, and deterministic timing. Its combination of logic capacity, I/O flexibility and single-chip nonvolatile operation supports system-level consolidation and reliable start-up behavior.

Key Features

• Logic Capacity — 24,000 system gates and 1,452 logic elements provide mid-level implementation density for glue logic, protocol bridging and control functions.
• User I/O — 147 user-programmable I/O pins suitable for a wide range of external interfaces and board-level connections.
• Nonvolatile Single-Chip Architecture — SX-A family nonvolatile configuration (single-chip solution) enables instant-on behavior without external configuration memory.
• Mixed-Voltage I/O Support — Configurable I/O support for multiple voltage standards and 5 V input tolerance per family specifications; supports 2.5 V, 3.3 V and 5 V operation in mixed-voltage systems.
• Performance (SX-A family) — Family-level performance targets include up to 250 MHz system performance and up to 350 MHz internal performance.
• Power and I/O Robustness — Hot-swap compliant I/Os and power-up/power-down friendly operation (no sequencing required for supply voltages) simplify system power design and serviceability.
• Package and Mounting — 176-LQFP thin TQFP package (24 × 24 mm) for surface-mount PCB assembly; RoHS compliant.
• Commercial Temperature Grade — Rated for 0 °C to +70 °C operation suitable for commercial applications.
• Security and Test — SX-A family features include boundary-scan (IEEE 1149.1) and Actel Secure Programming Technology (FuseLock™) for design protection and in-system verification.

Typical Applications

• PCI and Bus Interface Logic — Family-level PCI compatibility and mixed-voltage I/O make the device suitable for implementing PCI or legacy bus interface glue logic and controllers.
• Embedded Control and Glue Logic — Use for board-level control, protocol bridging and glue logic where reprogrammability and nonvolatile configuration are required.
• In-System Diagnostics and Verification — Built-in boundary-scan and in-system diagnostic capabilities support production test and field verification workflows.

Unique Advantages

• Nonvolatile, single-chip solution: Eliminates the need for external configuration memory and simplifies system boot-up and supply sequencing.
• Flexible mixed-voltage I/O: Configurable I/O supporting 2.5 V, 3.3 V and 5 V operation with 5 V input tolerance enables direct interfacing to a broad range of legacy and modern logic levels.
• Robust I/O and power behavior: Hot-swap compliant I/Os and power-up/down friendly design reduce system-level constraints during board service and power sequencing.
• Traceable test and security features: Boundary-scan support and FuseLock programming provide production testability and protection against reverse engineering.
• Compact surface-mount package: 176-pin TQFP offers a balance of I/O count and board-space efficiency for mid-density designs.

Why Choose A54SX16P-1TQG176?

The A54SX16P-1TQG176 positions itself as a mid-density, nonvolatile FPGA option for commercial embedded designs that require reliable start-up behavior, mixed-voltage I/O flexibility and hardware-level testability. With 24,000 system gates, 1,452 logic elements and 147 user I/Os in a 176-pin thin QFP package, it fits applications that need board-level integration of control, protocol bridging and interface logic without external configuration devices.

Choosing this device provides designers with a compact, reprogrammable building block backed by SX-A family features such as hot-swap I/Os, configurable I/O standards and on-chip security/test capabilities—delivering a practical combination of performance, integration and operational robustness for commercial-temperature systems.

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