A54SX16A-1TQ100I

Overview

The A54SX16A-1TQ100I is an antifuse-based Field Programmable Gate Array from the Microchip Actel SX-A family. It provides 24,000 system gates and 81 user I/Os within a 100-pin Thin Quad Flat Pack (TQFP) package. The device operates at a nominal voltage of 2.5 V with a range of 2.25 V to 2.75 V. It supports industrial temperature grades ranging from -40°C to +85°C and achieves a maximum system performance frequency of 263 MHz.

Feature Summary

• Utilizes metal-to-metal programmable antifuse technology for nonvolatile configuration without external memory.
• Features hot-swap compliant I/Os allowing safe insertion into active systems without power sequencing requirements.
• Supports mixed-voltage operation including 2.5 V, 3.3 V, and 5 V standards with 5 V input tolerance.

Applications

• High-performance logic integration replacing complex CPLDs or gate arrays.
• Systems requiring deterministic timing and pin-locking capabilities.
• Applications necessitating secure design protection against reverse engineering.

Procurement Notes

Verify component authenticity through authorized Microchip distributors due to potential availability constraints. Confirm that the specific ordering suffix matches the required speed grade and temperature range. Ensure compliance with export regulations if applicable. Check for end-of-life notifications as this series may have discontinuation notices.

Selection Notes

Select this model when 24,000 system gates and 81 I/Os are sufficient for the design. The '1' suffix indicates a speed grade approximately 15% faster than standard. The 'I' suffix specifies the industrial temperature range. Verify that the TQFP-100 package fits the PCB footprint constraints compared to other available packages like FBGA or PQFP.

Part Context

This part belongs to the Actel SX-A family, which uses 0.22/0.25 micron CMOS antifuse technology. The family includes devices ranging from 12,000 to 108,000 system gates. The A54SX16A variant specifically offers a balance of logic density and I/O count suitable for mid-range applications.

Replacement Considerations

Direct pin-compatible replacements within the same package and gate count are limited. Consider the A54SX16A-TQ100 (standard speed) or A54SX16A-2TQ100 (faster speed) if speed grades differ. Other packages such as FG144 require schematic and layout changes.