A54SX72A-1PQG208M - 108K-Gate Antifuse FPGA, 208-PQFP | Microchip
MPN: A54SX72A-1PQG208M β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $185 | $185.00 |
| 10 | $172.05 | $1,720.50 |
| 100 | $158.4 | $15,840.00 |
| 500 | $148 | $74,000.00 |
| 1,000 | $138.75 | $138,750.00 |
Drop-in alternatives for A54SX72A-1PQG208M β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX72A-1PQG208A
β Drop-Inπ Reference alternative (not in catalog)
A54SX72A-PQG208
β Drop-Inπ Reference alternative (not in catalog)
A54SX72A-1CQ208M
β Drop-Inπ Reference alternative (not in catalog)
A54SX32A-1PQG208M
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View Datasheet βA54SX32A-1PQG208I
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View Datasheet βA54SX72A-1PQG208M Maximum Ratings & Electrical Characteristics
| Family | SX-A (Antifuse FPGA) |
| System Gates | 108000 |
| Typical Gates | 72000 |
| Configurable Logic Blocks (CLBs) | 6036 |
| User I/O | 171 |
| Speed Grade | -1 |
| Maximum System Clock Frequency | 250 MHz (device family maximum) |
| Core Supply Voltage | 2.5 V |
| Technology | 0.25 um / 0.22 um CMOS |
| Programming Type | One-Time Programmable (Antifuse) |
| I/O Standards | TTL, LVTTL, LVCMOS2, 3.3 V PCI, 5.0 V PCI |
| Clock Networks | 4 quadrant clock inputs (CLKA-CLKD) + global clock network |
| Package | 208-BFQFP (208-PQFP), surface mount |
| Mounting Type | Surface Mount |
| RoHS Status | Lead Free (per DigiKey/Jake Electronics listing: LEAD FREE) |
| Configuration Storage | Non-volatile (no external configuration PROM required) |
A54SX72A-1PQG208M 208-bfqfp (208-pqfp), surface mount Pin Configuration Guide
Complete pinout information for A54SX72A-1PQG208M (208-bfqfp (208-pqfp), surface mount 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-1PQG208M.
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-1PQG208M is suitable for 6 applications: Industrial Bus Bridging and Glue Logic, Telecom and Networking Backplane Control, Secure Single-Chip Logic Integration, Avionics and High-Reliability Deterministic Systems, Legacy 5V PCI and Mixed-Voltage System Upgrades, Instant-On Embedded Control and IoT Gateways.
Industrial Bus Bridging and Glue Logic
In factory automation and process-control backplanes, the A54SX72A-1PQG208M consolidates address decoding, state machines, and bus-interface conversion that would otherwise occupy several CPLDs or TTL devices. Its 108K gates and 171 user I/Os absorb wide parallel buses, while TTL, LVTTL, LVCMOS2, and 5.0 V PCI I/O compatibility lets it talk directly to legacy 5 V peripherals without level shifters. Because the antifuse fabric is non-volatile, the bridge is functional within microseconds of power-up - no configuration wait that could stall a deterministic industrial startup sequence. Designers place it between a main controller and legacy fieldbus interfaces, reserving roughly 20 percent gate headroom for ECOs. The single-chip integration cuts BOM count and, with no configuration PROM, removes a common counterfeit/boot-failure attack surface in long-lifecycle industrial equipment.
Recommended
Telecom and Networking Backplane Control
Line cards and backplane controllers in telecom equipment use the A54SX72A-1PQG208M for framer glue logic, hot-swap control, and status aggregation. The four quadrant clock inputs (CLKA-CLKD) feed dedicated global clock networks, letting each card quadrant receive its own low-skew clock domain - important when distributing system sync across a 208-pin device. With a 250 MHz family maximum clock rate and the -1 speed grade, the part closes timing on PCI and parallel backplane interfaces operating at 33-66 MHz with margin. Its 5 V PCI compliance enables direct connection to legacy 5 V PCI bridges still common in carrier equipment. Because the configuration cannot be read back, operators gain hardware-rooted protection of proprietary firmware partitioning logic, and the absence of a boot flash eliminates an entire failure mode in high-availability racks.
Recommended
Secure Single-Chip Logic Integration
Defense-adjacent, instrumentation, and licensing-sensitive products select the A54SX72A-1PQG208M specifically for its antifuse security posture: unlike SRAM FPGAs whose bitstream can be intercepted during configuration loading, the SX-A program is permanent and non-readable, so reverse-engineering the netlist requires destructive decapping. The 108K-gate capacity integrates proprietary co-processing logic, key-handling state machines, and board-level glue into one device, and instant-on behavior removes the configuration window exploited by boot-order attacks. The 0.25 um/0.22 um CMOS process and 2.5 V core keep dynamic power low for passively cooled enclosures. Engineers budget the 72,000 typical gates for the secure function itself and prototype on the same package before locking the fusemap, since the one-time-programmable nature makes post-production ECOs impossible.
Recommended
Avionics and High-Reliability Deterministic Systems
Systems requiring deterministic, radiation-tolerant-adjacent behavior at board level - test instrumentation for avionics, ground support equipment, and ruggedized controllers - benefit from the A54SX72A's immunity to configuration upsets: the antifuse fabric cannot experience the configuration-memory SEU flip problems of SRAM FPGAs, an inherent reliability advantage in high-vibration, high-altitude environments. The 171 I/Os at 5 V-tolerant legacy standards interface directly with ARINC-style discrete and MIL-STD-adjacent signaling through external conditioning. The 208-PQFP package offers gull-wing leads that are inspectable by X-ray and AOI for solder-joint assurance in high-reliability assembly. With 6,036 CLBs, designers implement voter logic, watchdog interfaces, and sensor-fusion pre-processing, while instant-on operation guarantees logic availability during the critical first milliseconds of power-up self-test.
Recommended
Legacy 5V PCI and Mixed-Voltage System Upgrades
Platforms built around 5 V PCI slots - medical scanners, test racks, industrial PCs - use the A54SX72A-1PQG208M to implement custom PCI agents or bridges without level-shifting trees. The SX-A datasheet dedicates AC specification tables to 5 V PCI operation, confirming full electrical compliance at both 3.3 V and 5.0 V signaling on the same die, an unusual capability in modern FPGAs. Designers attach the device directly to the PCI bus for protocol adaptation or bus mastering support logic, using the 108K gates to add on-card registers, interrupt controllers, and DMA handshake state machines. Because the part is lead-free (PQG 'G' plating, M tray), new-compliance retrofits meet current RoHS assembly rules while remaining electrically compatible with decades-old backplanes - the core value proposition of an SX-A-based upgrade path.
Recommended
Instant-On Embedded Control and IoT Gateways
Smart-grid RTUs, motor-control motherboards, and IoT edge gateways need control logic active before the main SoC boots - power sequencing, safety interlocks, and fail-safe defaults. The A54SX72A-1PQG208M provides this always-on logic layer with zero configuration latency, since antifuse programming is permanent. Its 2.5 V core keeps standby draw low in always-powered nodes, and 171 I/Os connect relays, sensors, and status LEDs without expansion logic. A typical partition places safety and power-management state machines in the FPGA, application intelligence in a companion MCU, communicating over a parallel or SPI-style register interface. Designers reserve spare I/O on the 208-PQFP for field-retrofit signals, and the absence of any external boot memory removes a failure point that remote, unattended deployments cannot tolerate.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-1PQG208M β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-1PQG208A | A54SX72A-PQG208 | A54SX72A-1CQ208M | A54SX32A-1PQG208M | A54SX32A-1PQG208I |
|---|---|---|---|---|---|---|
| Package | 208-PQFP (BFQFP) | 208-PQFP - same | 208-PQFP - same | 208-QFP - same outline | 208-PQFP - same | 208-PQFP - same |
| Brand | Microchip Technology (Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108,000 (72,000 typical) | 108,000 | 108,000 | 108,000 | 32,000 | 32,000 |
| CLBs | 6036 | 6036 | 6036 | 6036 | [DATA_NEEDED] | [DATA_NEEDED] |
| User I/O | 171 | 171 | 171 | 171 | [DATA_NEEDED] | [DATA_NEEDED] |
| Speed Grade | -1 | -1 | Standard | -1 | -1 | -1 |
| Core Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Lead-Free Plating | Yes (G suffix) | [DATA_NEEDED] | Yes (G suffix) | Yes (M suffix lead-free variant) | Yes (G suffix) | [DATA_NEEDED] |
| Programming | Antifuse OTP, no configuration PROM | Antifuse OTP - same | Antifuse OTP - same | Antifuse OTP - same | Antifuse OTP - same | Antifuse OTP - same |
Key Differentiators
- Largest SX-A capacity in the 208-PQFP footprint (vs A54SX32A-1PQG208M)
- Faster timing than the standard-speed same-die part (vs A54SX72A-PQG208)
- Inherent configuration security versus SRAM FPGAs (vs A54SX32A-1PQG208I)
Design Notes
Antifuse FPGAs are one-time programmable: a programming error or late netlist change permanently consumes the device. Freeze the design in Libero/Designer, complete timing simulation at the -1 speed grade, and only then release the fusemap to the Silicon Sculptor programmer. Budget 15-20 percent spare CLBs and I/O for ECOs since no rework path exists. Keep the programming file under version control, and prototype with engineer-quantity trays before committing production stock, because each failed or changed design requires new physical devices.
The A54SX72A uses a 2.5 V core supply; provide a clean, dedicated 2.5 V rail with local 0.1 uF ceramic decoupling at each supply pin pair plus bulk 10 uF per power quadrant. Estimated: dynamic power scales with clock frequency and toggling rate - a design clocking 60 percent of the 250 MHz family maximum with moderate activity typically dissipates a few hundred milliwatts, well within the PQFP capability, but compute your actual estimate in Libero power analysis before finalizing the regulator sizing. Do not share the 2.5 V core rail with noisy I/O buffer supplies.
Route the four quadrant clock inputs (CLKA-CLKD) with matched-length, ground-referenced traces and treat them as critical analog-adjacent signals: the datasheet identifies them as dedicated inputs to the global clock distribution networks for the bottom-left, bottom-right, top-left, and top-right device quadrants. Place a 208-PQFP land pattern per JEDEC ms013-style outline and verify against the manufacturer package drawing before release. For 5 V PCI operation, ensure trace impedance and loading meet PCI bus capacitance budgets on the target backplane.
Compliance Information
Distributor listings (DigiKey, Jake Electronics) mark A54SX72A-1PQG208M as LEAD FREE; 'G' in PQG208 denotes green plating. REACH, halogen-free, and conflict-minerals statuses not stated in provided data.
