A54SX32A-TQ144

The A54SX32A-TQ144 is a commercial-grade FPGA from Microchip Technology’s SX‑A family. It provides a nonvolatile, single-chip FPGA architecture with 48,000 system gates and approximately 2,880 logic elements, designed for mixed-voltage systems and general-purpose embedded applications.

With 113 user I/Os in the 144-pin LQFP package and a wide supply range (2.25 V to 5.25 V), this device targets applications that require configurable I/O levels, in-system programmability and boundary-scan support at commercial temperature ranges (0 °C to 70 °C).

Key Features

• Logic Capacity  48,000 system gates and approximately 2,880 logic elements (cells) for implementing medium-complexity logic and glue‑logic functions.
• User I/O  113 user-configurable I/O pins in the 144-pin package to support multiple external interfaces and board-level connectivity.
• Nonvolatile Single-Chip Architecture  SX‑A family nonvolatile configuration provides single-chip operation without external configuration memory.
• Mixed-Voltage I/O Support  Series-level support for 2.5 V, 3.3 V and 5 V mixed-voltage operation with 5 V input tolerance and configurable I/O standards (as provided in SX‑A family documentation).
• Power and Supply  Operates from 2.25 V to 5.25 V, allowing flexibility for different board power domains.
• Package and Mounting  Surface-mount 144-LQFP package (supplier device package also listed as 144-TQFP, 20×20) for compact PCB designs.
• Commercial Temperature Grade  Rated for 0 °C to 70 °C operation for commercial applications.
• Development and Test Support  SX‑A family features include JTAG boundary-scan testing and in-system diagnostic/verification capability (per family documentation).
• Security  Family-level secure programming technology (FuseLock™) to help protect design IP against reverse engineering (as documented for SX‑A devices).
• Compliance  RoHS compliant.

Typical Applications

• PCI and Bus Interface Logic  Suitable for implementing PCI-compliant interface logic and board-level bus glue since the SX‑A family documentation lists 66 MHz PCI compliance.
• Mixed-Voltage Interface Bridging  Use the device where multiple I/O voltage domains and 5 V-tolerant inputs are needed for level translation or legacy interface support.
• In-System Programmable Logic  Ideal for applications that benefit from nonvolatile, single-chip FPGAs with in-system diagnostics and JTAG boundary-scan for production test and field verification.

Unique Advantages

• Nonvolatile, single-chip solution: Eliminates the need for external configuration memory, simplifying BOM and startup behavior.
• Flexible I/O and voltage tolerance: Broad supply range and family-level mixed-voltage I/O support enable interfacing with 2.5 V, 3.3 V and 5 V systems.
• Significant logic density for mid-range designs: 48,000 system gates and ~2,880 logic elements provide ample resources for glue logic, protocol handling, and custom I/O functions.
• Production and field testability: JTAG boundary-scan and in-system diagnostic capabilities (documented for the SX‑A family) support manufacturing test and in-field troubleshooting.
• Secure programming option: Family-level FuseLock™ technology helps protect intellectual property and design confidentiality.
• Compact, surface-mount package: 144-pin LQFP offers a balance of I/O count and PCB footprint suitable for space-constrained designs.

Why Choose A54SX32A-TQ144?

The A54SX32A-TQ144 positions itself as a reliable, mid-density, nonvolatile FPGA option for commercial embedded designs that require mixed-voltage interfacing, in-system programmability and on-board testability. Its combination of 48,000 system gates, roughly 2,880 logic elements and 113 user I/Os in a 144-pin surface-mount package delivers a practical balance of capacity and board-level integration.

This device is well suited for designers seeking an FPGA with single-chip nonvolatile configuration, boundary-scan test support and flexible I/O voltage options within a commercial temperature range. RoHS compliance and broad supply voltage acceptance further simplify adoption across a variety of PCB power architectures.

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