A54SX32A-1BGG329M

Overview

The A54SX32A-1BGG329M is a Field Programmable Gate Array from the Microchip SX-A family, featuring 48,000 system gates and 2,880 logic modules. It supports up to 249 user-programmable I/O pins and operates with a standard speed grade of 250 MHz system performance. The device utilizes 0.22 μm / 0.25 μm CMOS antifuse technology and supports mixed-voltage operation at 2.5 V, 3.3 V, and 5 V. It is housed in a 329-pin Plastic Ball Grid Array (PBGA) package and is rated for military temperature grades ranging from -55°C to +125°C.

Feature Summary

• Nonvolatile single-chip solution utilizing metal-to-metal programmable antifuse interconnect elements for permanent low-impedance connections.
• Supports hot-swap compliant I/Os allowing power-up/down without voltage sequencing requirements.
• Includes Silicon Explorer II for unique in-system diagnostic and verification capabilities.
• Features Actel Secure Programming Technology with FuseLock to prevent reverse engineering.

Applications

• 66 MHz PCI compliant designs
• Military and aerospace systems requiring extended temperature ranges
• High-performance state machines and fast counters

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type, speed grade, and temperature range. Confirm RoHS compliance status as packaging options vary by suffix. Check for any product discontinuation notices or lifecycle changes before finalizing procurement plans.

Selection Notes

Select this component when a nonvolatile FPGA with deterministic timing and high pin-locking capability is required. Ensure the design fits within the 48,000 system gate limit and 249 I/O constraint. Verify that the 329-pin PBGA package dimensions are compatible with the target PCB layout and thermal requirements.

Part Context

This part belongs to the Actel SX-A family of FPGAs, which are designed for cost-effective, low-power, and high-performance applications. The family integrates CPLD and FPGA features into a single-chip solution, offering significant improvements in time-to-market compared to traditional gate arrays.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer for current equivalent offerings or obsolescence management options.

FAQ

What is the maximum internal clock frequency supported by the A54SX32A?

The A54SX32A supports an internal clock frequency of up to 350 MHz.

How does the SX-A architecture handle routing delays?

It uses DirectConnect for less than 0.1 ns delay and FastConnect for a maximum of 0.3 ns pin-to-pin propagation time within SuperClusters.

Is the A54SX32A-1BGG329M hot-swappable?

Yes, the I/Os are configured to be hot-swappable, except for 3.3 V PCI configurations.