A54SX16A-PQG208I

Overview

The A54SX16A-PQG208I is a Field Programmable Gate Array from the Microchip Technology SX-A family, featuring 24,000 system gates and 175 user-programmable I/Os. It operates within a voltage range of 2.25 V to 2.75 V at a nominal 2.5 V. The device supports an industrial temperature grade ranging from -40°C to +85°C and utilizes a 208-pin Plastic Quad Flat Pack (PQFP) package. Maximum system performance reaches 250 MHz with internal clock speeds up to 350 MHz.

Feature Summary

• Nonvolatile antifuse architecture providing permanent configuration without external memory
• Hot-swap compliant I/Os allowing safe insertion into active systems without power sequencing
• Support for mixed-voltage operation including 2.5 V, 3.3 V, and 5 V with 5 V input tolerance
• Integrated boundary-scan testing compliant with IEEE Standard 1149.1 (JTAG)

Applications

• Industrial control systems requiring deterministic timing and high reliability
• Automotive electronics operating under extended temperature conditions
• Military applications utilizing radiation-hardened or high-reliability variants

Procurement Notes

Verify component authenticity through authorized Microchip distributors. Confirm RoHS compliance status and packaging specifications against current datasheet revisions. Check for discontinuance notices as older speed grades may be phased out. Ensure proper ESD handling during storage and installation.

Selection Notes

Select this model for designs requiring 24K system gates with extensive I/O capabilities in a PQFP package. Verify that the industrial temperature range meets environmental requirements. Consider pin count limitations compared to BGA alternatives if board space is constrained. Ensure design tools support the specific speed grade selected.

Part Context

This component belongs to the Actel SX-A series of antifuse FPGAs, known for low power consumption and high performance. The SX-A family bridges the gap between CPLDs and gate arrays, offering immediate functionality upon power-up due to its nonvolatile nature. It is widely used in applications demanding secure, single-chip solutions.

Replacement Considerations

Direct replacements include other A54SX16A variants with different packages such as TQFP or FBGA, provided pin compatibility is verified. Speed grades like -1 or -2 offer faster performance but require timing analysis. Discontinued -3 grades should not be substituted unless legacy support is confirmed.