A54SX72A-FPQG208 - 108K Gate Antifuse FPGA 208-QFP | Microchip
MPN: A54SX72A-FPQG208 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $62.5 | $62.50 |
| 10 | $56.3 | $563.00 |
| 100 | $49.8 | $4,980.00 |
| 500 | $44.6 | $22,300.00 |
| 1,000 | $39.9 | $39,900.00 |
Drop-in alternatives for A54SX72A-FPQG208 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
A54SX72A-FPQG208A
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX72A-PQG208I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX72A-1PQG208
✅ Drop-In✓ In Stock
$47.8 / Unit
View Datasheet →A54SX72A-2PQG208
✅ Drop-In✓ In Stock
$82.6 / Unit
View Datasheet →A54SX32A-PQG208A
✅ Drop-In✓ In Stock
$47.8 / Unit
View Datasheet →A54SX72A-FPQG208 Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| System Gates | 108,000 (72,000 typical gates) |
| Configurable Logic Blocks (CLBs) | 6,036 |
| User I/O | 171 |
| System Performance | 250 MHz |
| Internal Performance | 350 MHz |
| Core Voltage | 2.5 V |
| Process Technology | 0.25 um / 0.22 um CMOS |
| Programming Technology | Antifuse (one-time programmable, non-volatile) |
| I/O Standards | TTL, LVTTL, LVCMOS2, 3.3V PCI, 5V PCI |
| Clock Resources | Quadrant clock inputs (CLKA, CLKB, CLKC, CLKD) |
| Package | 208-BFQFP (208-PQFP, fine pitch) |
| Mounting Type | Surface Mount |
A54SX72A-FPQG208 208-bfqfp (208-pqfp, fine pitch) Pin Configuration Guide
Complete pinout information for A54SX72A-FPQG208 (208-bfqfp (208-pqfp, fine pitch) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for A54SX72A-FPQG208.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
A54SX72A-FPQG208 is suitable for 6 applications: Aerospace and Defense Systems, Industrial Control and Automation, Telecommunications Line Cards, Legacy System Redesign and BOM Consolidation, Test and Measurement Equipment, Secure and Tamper-Resistant Logic.
Aerospace and Defense Systems
The A54SX72A-FPQG208 fits aerospace and defense payloads because its antifuse configuration is one-time-programmable and non-volatile: there is no configuration bitstream to read back, corrupt, or upset, which addresses the single-event configuration-upset weakness of SRAM FPGAs. With 108,000 system gates, 6,036 CLBs, and 171 user I/O in a 2.5V-core process, it integrates telemetry formatting, bus interfaces, and sequencing logic in one PQFP-208 device with low static power. Designers typically implement interface and glue logic at internal rates up to 350 MHz, then verify timing statically before irreversible antifuse programming. Screening variants and documentation support are available through Microchip for flight programs.
Recommended
Industrial Control and Automation
In industrial controllers, the A54SX72A-FPQG208 consolidates address decoding, state machines, interrupt handling, and bus bridging that would otherwise occupy multiple CPLDs and discrete logic. The instant-on, non-volatile antifuse fabric means the board is functional the moment power is applied - no configuration controller or boot flash is required, improving system availability in factory equipment. The 171 user I/O with TTL, LVTTL, LVCMOS2, and 5V PCI compatibility lets it interface directly to legacy 5V backplanes and modern 3.3V logic alike. Its 250 MHz system capability easily covers PLC scan logic and encoder interfaces, while the PQFP-208 package suits standard surface-mount assembly.
Recommended
Telecommunications Line Cards
Telecom line cards benefit from the A54SX72A-FPQG208's combination of high internal performance (350 MHz) and 3.3V PCI / 5V PCI I/O compliance, making it a natural PCI bus interface and backplane-logic device. The 108K-gate fabric implements framing, counting, and multiplexing functions at line rates within the 250 MHz system envelope, while quadrant clock inputs (CLKA-CLKD) distribute low-skew clocks to per-quadrant logic. Because the antifuse configuration cannot be read out, design IP on carrier equipment is protected, and the non-volatile startup eliminates configuration latency during hot-swap sequences. The 208-pin QFP footprint also simplifies rework on legacy card designs.
Recommended
Legacy System Redesign and BOM Consolidation
Many aging platforms used multiple Actel SX devices or dozens of 5V TTL parts; the A54SX72A-FPQG208 lets engineers consolidate that logic into a single 108K-gate, single-chip solution, cutting board area, BOM count, and power. Its 5V PCI and TTL-tolerant I/O directly replaces LS-TTL glue on legacy buses without level shifting, and the antifuse non-volatility preserves the fielded system's instant-on behavior. Microchip explicitly positions SX-A for generating system-wide savings by integrating multiple functions at low cost. Because the package is a standard 208-pin QFP, drop-in migration from other SX-A PQ208 variants requires only speed-grade confirmation, not a PCB respin.
Recommended
Test and Measurement Equipment
Bench instruments and automated test fixtures use the A54SX72A-FPQG208 for trigger logic, counter/timer channels, and interface bridging. The 6,036 CLBs sustain deep counter chains and pipelined comparators at internal rates up to 350 MHz, enabling nanosecond-class event timing, while 171 user I/O provides dense channel counts for fixture adapters. Deterministic, non-volatile configuration means the instrument is ready at power-up without boot delay - important for production-floor uptime. The 2.5V core keeps dynamic power reasonable in always-on rack equipment, and the one-time-programmable fabric guarantees the shipped instrument's logic cannot be inadvertently altered in the field.
Recommended
Secure and Tamper-Resistant Logic
Where logic IP or key-handling glue must resist extraction, the A54SX72A-FPQG208's antifuse technology provides inherent design security: after programming, the configuration exists as physical antifuse connections that cannot be read back electrically, unlike SRAM FPGA bitstreams stored in external flash. Within the 108K-gate fabric, designers implement authentication state machines, key XOR masking, and access-control logic with 171 I/O across mixed TTL/LVTTL/LVCMOS2 domains. Non-volatile startup also avoids the configuration-glitch window SRAM systems exhibit at power-on, hardening the system against boot-time attack. Verify all timing before programming, since the secure configuration is permanent.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-FPQG208 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-FPQG208A | A54SX72A-PQG208I | A54SX72A-1PQG208 | A54SX32A-PQG208A |
|---|---|---|---|---|---|
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology (Actel) | Microchip Technology | Microchip Technology |
| Package | 208-BFQFP | 208-BFQFP - same | 208-PQFP - same footprint | 208-PQFP - same footprint | 208-PQFP - same footprint |
| System Gates | 108,000 (72,000 typical) | 108,000 | 108,000 (72K typical) | 108,000 | [DATA_NEEDED] |
| User I/O | 171 | 171 | 171 | 171 | [DATA_NEEDED] |
| Speed Performance | 250 MHz system / 350 MHz internal | [DATA_NEEDED] | 217 MHz (per FPGAkey listing) | Speed grade 1 (slower) | [DATA_NEEDED] |
| Core Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Programming Technology | Antifuse (one-time programmable) | Antifuse | Antifuse | Antifuse | Antifuse |
| Process Technology | 0.25 um / 0.22 um CMOS | 0.25 um / 0.22 um CMOS | 0.25 um | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Largest SX-A density in the PQ208 footprint (vs A54SX32A-PQG208A)
- Non-volatile, read-back-protected configuration (vs SRAM FPGAs (Xilinx Spartan / Intel Cyclone))
- Speed-grade flexibility on the same footprint (vs A54SX72A-1PQG208)
Design Notes
The A54SX72A-FPQG208 is antifuse (one-time programmable). Complete behavioral simulation, place-and-route timing signoff in Microchip Designer, and static timing analysis BEFORE burning the device - an engineering change after programming requires a new physical part. Order prototype quantity accordingly and reserve engineering silicon for iterations. Do not treat it like an SRAM FPGA where you can re-flash after bring-up issues.
The SX-A core runs at 2.5 V while I/O banks support TTL, LVTTL, LVCMOS2, 3.3V PCI, and 5V PCI. Confirm board rail availability for the 2.5 V core supply and provide adequate decoupling (bulk plus 0.1 uF ceramic per supply pin group). Antifuse devices have very low static power, so thermal design is usually straightforward, but dynamic power scales with toggle rate - high-speed counters at 350 MHz-class internal rates dominate consumption.
Use the four dedicated quadrant clock inputs (CLKA-CLKD, mapped to bottom-left, bottom-right, top-left, and top-right quadrants) for global clocking rather than routing clocks through general fabric - Microchip's application note on A54SX72A quadrant clocks details supported macros. Keep clock edges away from other QFP pins in layout, and follow 5V PCI / 3.3V PCI loading rules when interfacing PCI buses to guarantee VOL/VOH and setup margins.
Compliance Information
Compliance status not stated in provided web data; legacy Actel-generation parts exist in both leaded and lead-free finishes. Verify RoHS/REACH flags per exact ordering code and date code on Microchip's product page or DigiKey before purchase.
