A54SX32A-TQ176

Overview

The A54SX32A-TQ176 is a Field Programmable Gate Array from the Actel SX-A family, fabricated on 0.22 μm / 0.25 μm CMOS antifuse technology. It provides 48,000 system gates and 2,880 logic modules (CLBs). The device supports up to 249 user-programmable I/O pins within a 176-pin Thin Quad Flat Pack (TQFP) package. It features an internal performance of 350 MHz and a system performance of 250 MHz. The architecture includes dedicated flip-flops for sequential logic and combinatorial cells for combinational functions.

Feature Summary

• Supports mixed-voltage operation with configurable I/O standards including 3.3 V PCI, 5 V TTL, and 2.5 V LVCMOS2.
• Features hot-swap compliant I/Os allowing safe insertion into active systems without power sequencing requirements.
• Includes deterministic timing through user-controllable routing resources like DirectConnect and FastConnect.
• Provides secure programming capabilities via FuseLock technology to prevent reverse engineering.

Applications

• Integration of CPLD and FPGA functionality in single-chip solutions
• High-speed data path logic and fast counters
• Complex state machine implementations
• PCI-compliant interface designs

Procurement Notes

Verify the specific speed grade suffix associated with the TQ176 package variant, as standard speed grades differ from faster options. Confirm that the commercial temperature range aligns with the application environment requirements before finalizing procurement specifications.

Selection Notes

Select this model when 48,000 system gates and 249 I/Os are required in a 176-pin form factor. Ensure the design utilizes the 250 MHz system performance target. Verify that the TQFP package dimensions fit the PCB layout constraints compared to BGA alternatives.

Part Context

This component belongs to the Actel SX-A family of FPGAs, which utilize metal-to-metal programmable antifuse interconnect elements. The family offers nonvolatile configuration, eliminating the need for external configuration memory devices typically found in SRAM-based FPGAs.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consider checking for updated Microchip Technology equivalents or consulting the manufacturer for discontinuation notices regarding the SX-A series.