A54SX08-2VQG100I

Overview

The A54SX08-2VQG100I is an industrial-grade antifuse FPGA from the Actel SX-A family, featuring 12,000 system gates and a 100-pin Thin Quad Flat Pack (TQFP) package. It operates within the -40°C to +85°C temperature range and supports mixed-voltage I/O standards including 3.3 V PCI, 5 V TTL, and 2.5 V LVCMOS2. The device utilizes 0.22 μm / 0.25 μm CMOS technology with metal-to-metal programmable antifuses for permanent configuration. Key specifications include up to 768 combinatorial cells, 512 dedicated flip-flops, and three global clock networks. It offers hot-swap compliant I/Os, boundary-scan testing via IEEE 1149.1, and deterministic timing performance.

Feature Summary

• Nonvolatile single-chip solution using metal-to-metal antifuse technology for permanent configuration without external memory.
• Hot-swap compliant I/Os allowing safe insertion into active systems without power sequencing requirements.
• Support for mixed-voltage operation with 5 V input tolerance and configurable pull-up/pull-down resistors at power-up.
• Integrated Boundary-Scan Testing (BST) compliant with IEEE Standard 1149.1 for in-system diagnostic capabilities.

Applications

• Industrial control systems requiring deterministic timing and nonvolatile configuration.
• Hot-swap capable hardware interfaces where system reliability during insertion is critical.
• Mixed-voltage logic interfacing between 3.3 V and 5 V components in embedded designs.
• Applications requiring secure IP protection through Actel FuseLock anti-tamper features.

Procurement Notes

Verify the specific ordering suffix 'V' against official Microchip documentation, as standard SX-A part numbers typically use 'PQ', 'TQ', or 'BG' for package types. Confirm that the 'I' suffix correctly denotes the Industrial temperature grade (-40°C to +85°C). Ensure the component is sourced from authorized distributors to guarantee authenticity, given the discontinued status of many Actel FPGA lines.

Selection Notes

Select this device when a small-scale, high-performance antifuse FPGA is required for industrial environments. The 100-pin TQFP package suits space-constrained PCB layouts. Consider the A54SX08A series if 12,000 system gates are sufficient. Verify that the design does not require the higher capacity or quadrant clocks available in larger SX-A devices like the A54SX72A.

Part Context

This component belongs to the Actel SX-A family of FPGAs, which were designed to replace complex CPLDs and gate arrays with lower power consumption and faster time-to-market. The SX-A architecture is characterized by its sea-of-modules layout and patented antifuse interconnects. This family was later integrated into Microsemi's portfolio following the acquisition of Actel Corporation.

Replacement Considerations

Direct replacements may be limited due to the discontinuation of the Actel SX-A line. Potential alternatives include Microsemi SmartFusion2 or IGLOO2 FPGAs for similar low-power antifuse applications, though pinouts and capacities will differ significantly. Consult Microchip's obsolescence notices for recommended migration paths.