A54SX16A-2TQ100I

Overview

The A54SX16A-2TQ100I is a Field Programmable Gate Array from the Actel SX-A family, manufactured by Microchip Technology. It features 24,000 system gates and 81 user-programmable I/Os within a 100-pin Thin Quad Flat Pack (TQFP) package. The device operates at a maximum system frequency of 313 MHz with an internal performance capability of 350 MHz. It utilizes 0.22 μm / 0.25 μm CMOS antifuse technology and supports mixed-voltage operation at 2.5 V, 3.3 V, and 5 V. The industrial temperature grade (-40°C to +85°C) ensures reliable performance in demanding environments.

Feature Summary

• Nonvolatile single-chip solution using metal-to-metal programmable antifuse interconnect elements for permanent configuration without external memory.
• Hot-swap compliant I/Os allowing safe insertion into electrically active systems without degrading host reliability or requiring specific power sequencing.
• Deterministic timing architecture featuring DirectConnect and FastConnect routing resources to minimize signal propagation delays and ensure predictable performance.
• Integrated Boundary-Scan Testing (BST) compliant with IEEE Standard 1149.1 (JTAG) for superior diagnostic and verification capabilities.

Applications

• High-performance digital logic integration replacing complex CPLDs or gate arrays.
• Systems requiring hot-swappable interface modules or cold-sparing redundancy.
• Industrial control applications necessitating wide operating temperature ranges and deterministic timing.
• Secure designs utilizing FuseLock technology to prevent reverse engineering and design theft.

Procurement Notes

Verify component authenticity through authorized Microchip Technology distributors or certified partners. Confirm that the ordering suffix matches the required speed grade, package type, and industrial temperature range specifications. Request relevant documentation including datasheets and compliance certificates prior to acquisition to ensure suitability for the intended application environment.

Selection Notes

Select this model when 24,000 system gates and 81 I/Os are sufficient for the design requirements. The -2 speed grade offers approximately 25% faster performance than the standard grade. Ensure the TQFP-100 package fits the PCB footprint constraints. Verify that the 2.5V core voltage and mixed-voltage I/O capabilities align with the system power supply architecture.

Part Context

This component belongs to the Actel SX-A family of FPGAs, which were originally developed by Actel Corporation before being acquired by Microchip Technology. The SX-A series is characterized by its high-density antifuse technology and robust architectural features designed for cost-effective, low-power, and high-performance embedded logic solutions.

Replacement Considerations

Direct pin-compatible replacements within the same package and speed grade are limited due to the discontinuation of the SX-A family. Consider evaluating newer Microchip FPGA families such as the PolarFire or IGLOO series for modern alternatives, noting that architectural differences may require schematic and layout modifications.