A54SX08A-1TQG100I

Overview

The A54SX08A-1TQG100I is an SX-A series Field Programmable Gate Array (FPGA) manufactured by Microchip Technology. It features 12,000 system gates and 768 logic modules comprising 512 combinatorial cells and 256 dedicated flip-flops. The device supports up to 81 user-programmable I/O pins and operates within a supply voltage range of 2.25V to 5.25V. It is housed in a 100-pin Thin Quad Flat Pack (TQFP) package with dimensions of 14x14 mm. The industrial temperature grade (-40°C to +85°C) ensures reliable operation in demanding environments.

Feature Summary

• Nonvolatile antifuse architecture providing single-chip integration without external configuration memory
• Hot-swap compliant I/Os allowing safe insertion into active systems without power sequencing requirements
• Configurable I/O standards supporting mixed-voltage operation including 3.3V/5V PCI, 5V TTL, and 2.5V LVCMOS
• Deterministic timing performance enabled by patented metal-to-metal programmable interconnect elements

Applications

• Industrial control systems requiring deterministic timing and hot-swap capabilities
• Embedded logic integration replacing complex programmable logic devices (CPLDs)
• Systems requiring secure design protection against reverse engineering via FuseLock technology

Procurement Notes

Verify the specific ordering suffix 'I' corresponds to the Industrial temperature grade (-40°C to +85°C) as defined in the manufacturer's datasheet. Confirm that the 'G' suffix for RoHS compliance is included if required by your bill of materials, although standard packaging may vary. Ensure compatibility with Actel Designer software versions supported for the SX-A family prior to procurement.

Selection Notes

Select this component when a nonvolatile FPGA solution with high-speed internal clocking up to 350 MHz is required. The SX-A architecture offers 100% pin-locking and resource utilization, facilitating concurrent PCB development. Consider the 100-TQFP package constraints for board space and thermal management relative to the device's power dissipation characteristics under load.

Part Context

This part belongs to the Actel SX-A family of FPGAs, fabricated on 0.22 μm / 0.25 μm CMOS antifuse technology. The SX-A line was designed to integrate functionality previously found in multiple CPLDs or gate arrays. The A54SX08A represents the entry-level capacity within this family, offering 12,000 system gates while maintaining the same I/O and routing architecture as larger variants like the A54SX16A and A54SX32A.

Replacement Considerations

Direct functional replacements within the same package and pinout are limited due to the proprietary antifuse architecture. Verify if higher-capacity SX-A devices (e.g., A54SX16A) fit mechanically and electrically if additional logic resources are needed. Cross-family migration to other FPGA technologies requires significant redesign of the logic fabric and I/O constraints.