A54SX08A-1PQG208

Overview

The A54SX08A-1PQG208 is an industrial-grade Field Programmable Gate Array from the Microsemi SX-A family, housed in a 208-pin Plastic Quad Flat Pack (PQFP). It provides 12,000 system gates, 768 logic modules, and 130 user-programmable I/Os. The device operates at a maximum system frequency of 250 MHz with internal performance up to 350 MHz. It supports mixed-voltage I/O standards including 2.5 V, 3.3 V, and 5 V, featuring hot-swap compliance and nonvolatile antifuse technology.

Feature Summary

• Nonvolatile single-chip solution utilizing metal-to-metal programmable antifuse interconnect elements for permanent configuration without external memory.
• Hot-swap compliant I/O architecture allowing insertion into active systems without power sequencing requirements or system degradation.
• Deterministic timing performance enabled by DirectConnect and FastConnect routing resources that minimize signal propagation delays.

Applications

• High-performance digital logic integration requiring deterministic timing and low latency
• Systems requiring hot-swappable interface capabilities and flexible mixed-voltage I/O operation
• Applications needing secure, nonvolatile configuration without external boot devices

Procurement Notes

Verify the specific ordering suffix 'I' confirms the Industrial temperature range (-40°C to +85°C) as defined in the datasheet. Confirm package type PQFP matches the 208-pin requirement. Check for RoHS compliance status if lead-free packaging is required for the target assembly process.

Selection Notes

Select this device for designs requiring approximately 12,000 system gates and 130 I/Os within a 208-pin footprint. Ensure the speed grade -1 meets the 250 MHz system performance requirement. Verify that the 0.22 μm/0.25 μm CMOS process and antifuse technology align with the project's security and reprogrammability constraints.

Part Context

This component belongs to the Actel SX-A family of FPGAs, which were acquired by Microsemi. The SX-A series is characterized by its high-density antifuse technology and unique sea-of-modules architecture, offering high performance and security for embedded logic applications.

Replacement Considerations

Compatible variants within the same package include A54SX08A-FPQ208I (Standard Speed), A54SX08A-2PQ208I (Faster Speed), and A54SX16A-1PQ208I (Higher Capacity). All share the same pinout and architectural features but differ in speed grade or gate count.

FAQ

What is the difference between Dedicated and Flexible Boundary-Scan modes?

In Dedicated mode, JTAG pins are reserved exclusively for testing and cannot be used as user I/Os. In Flexible mode, TDI, TCK, and TDO can function as either user I/Os or BST pins depending on the TAP controller state.

How does the device handle power-up sequences?

The SX-A family is power-up/down friendly, meaning supply voltages do not require strict sequencing. I/Os remain tristated until normal operating conditions are reached, supporting hot-swap operations.

What security features prevent reverse engineering?

The device uses Actel Secure Programming Technology with FuseLock™, which prevents unauthorized reading of the bitstream and includes hidden security fuses to protect against invasive and noninvasive attacks.