A54SX32-1PQG208I - 32K Gate SX FPGA, 208-PQFP | Microchip
MPN: A54SX32-1PQG208I β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $68.5 | $68.50 |
| 10 | $62.1 | $621.00 |
| 100 | $55.8 | $5,580.00 |
| 500 | $50.2 | $25,100.00 |
| 1,000 | $44.9 | $44,900.00 |
Drop-in alternatives for A54SX32-1PQG208I β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32-1PQG208
β Drop-Inβ In Stock
$37.7 / Unit
View Datasheet βA54SX32-2PQG208
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$45.4 / Unit
View Datasheet βA54SX32-PQG208I
β Drop-Inβ In Stock
$362.79 / Unit
View Datasheet βA54SX32-P1PQG208I
β Drop-Inπ Reference alternative (not in catalog)
A54SX32-PPQG208I
β Drop-Inπ Reference alternative (not in catalog)
A54SX32A-1PQG208I
β Drop-Inπ Reference alternative (not in catalog)
A54SX32-1PQG208I Maximum Ratings & Electrical Characteristics
| Family | SX (Actel/Microsemi SX) |
| System Gates | 48000 |
| Equivalent Gates | 32000 |
| Logic Cells / Modules | 1800 |
| User I/O | 174 |
| Maximum Clock Frequency | 280 MHz |
| Process Technology | 0.35 um CMOS antifuse |
| Supply Voltage | 3.3 V / 5 V |
| Speed Grade | -1 |
| Programmability Type | Antifuse (one-time programmable) |
| Configuration | Non-volatile, live at power-up |
| Package | 208-BFQFP (208-PQFP) |
| Mounting Type | Surface Mount |
| Temperature Grade | Industrial (I suffix) |
A54SX32-1PQG208I 208-bfqfp (208-pqfp) Pin Configuration Guide
Complete pinout information for A54SX32-1PQG208I (208-bfqfp (208-pqfp) 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 A54SX32-1PQG208I.
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
A54SX32-1PQG208I is suitable for 6 applications: Industrial Control and Automation, Telecommunications Line Cards, Test and Measurement Equipment, Military and Aerospace Ground Systems, Bus Interface and Glue Logic Consolidation, Secure Embedded Controllers.
Industrial Control and Automation
The A54SX32-1PQG208I fits industrial control and factory automation systems because its 32K-gate antifuse fabric integrates glue logic, bus arbitration, and I/O expansion in one 208-pin device, while its industrial temperature rating (I suffix) supports harsh shop-floor environments. The instant-on, non-volatile configuration eliminates configuration time at power-up - critical for machinery safety interlocks that must be active immediately. With 174 user I/O and 3.3V/5V I/O support, it bridges legacy 5V PLC signaling to modern 3.3V controllers. A typical implementation places the FPGA between a backplane bus and local microprocessor, using its fast carry chains for counter/timer functions at clock rates approaching the 280 MHz family maximum. The trade-off is one-time programmability: design changes require a new programmed device rather than a firmware reload.
Recommended
Telecommunications Line Cards
Telecom line-card designs historically adopted Actel SX FPGAs for their sea-of-modules performance and deterministic timing. The A54SX32-1PQG208I provides 32K gates and 174 I/O, sufficient for framing logic, HDLC controllers, backplane interfacing, and crossbar glue functions. Its sub-nanosecond-class cell delays and 280 MHz family maximum toggle rate support high-speed synchronous interfaces, while the antifuse fabric guarantees that registered paths behave identically at every power cycle - an advantage over SRAM FPGAs whose timing can vary with configuration placement. Live-at-power-up operation is essential for line cards that must enumerate on a backplane within milliseconds of insertion. Designers should budget the 3.3V supply current using the Microchip power estimator with realistic toggle rates, and consider the faster A54SX32-2PQG208 drop-in variant when timing margin is tight.
Recommended
Test and Measurement Equipment
Bench and automated test instruments benefit from the A54SX32-1PQG208I's combination of instant-on non-volatile configuration and 174 user I/O for probe matrix switching, trigger logic, and instrument bus interfacing. The antifuse fabric's deterministic timing simplifies design of precision trigger chains where fixed gate delays matter more than reprogrammability. Its 32K-gate capacity accommodates counters, edge detectors, protocol generators, and address decoders in a single 208-pin PQFP, replacing dozens of 74-series devices and shrinking board area. The 3.3V/5V tolerant I/O environment interfaces directly with legacy instrument logic levels. Because the device is one-time programmable, teams should validate the full design in simulation before committing hardware; prototype iterations can use the pin-compatible commercial-grade A54SX32-1PQG208 during bench development before industrial units are programmed for production instruments.
Recommended
Military and Aerospace Ground Systems
Ground-based defense electronics have long used Actel antifuse FPGAs because configuration data cannot be read back and the devices are immune to configuration-memory upset - there is no SRAM bitstream to corrupt. The A54SX32-1PQG208I provides 32K gates, 1,800 cells, and 174 I/O for command decoding, telemetry formatting, and sensor interfacing in non-flight ground equipment such as test sets and control consoles. Its live-at-power-up behavior guarantees readiness without a boot sequence, and the industrial temperature I-suffix variant suits sheltered but unconditioned environments. For higher-reliability and space applications, designers should migrate to the Microchip RTAX radiation-tolerant family (RTAX2000S/RTAX250S) which offers architectural continuity. Note the 208-pin PQFP is not suited to high-vibration deployed platforms without mechanical reinforcement of the leads.
Recommended
Bus Interface and Glue Logic Consolidation
A primary role of the A54SX32-1PQG208I is consolidating legacy glue logic - address decoders, bus transceivers, wait-state generators, interrupt controllers - into one programmable device. Its 174 user I/O supports wide 32-bit processor buses with address and data steering, and the fast carry/decode structures in the SX sea-of-modules fabric produce the narrow decoding pulses needed by fast asynchronous buses. Live-at-power-up antifuse configuration means the decode logic is active before the host CPU completes reset, avoiding the boot-gap problem of SRAM FPGAs. The 3.3V/5V I/O capability is decisive for sustaining 5V TTL bus signaling on legacy systems while the FPGA core runs at 3.3V. Estimated power for glue-logic toggle rates is typically well below the family worst case, but the Microchip power calculator should confirm margin in the 208-pin package.
Recommended
Secure Embedded Controllers
Applications requiring design confidentiality exploit the antifuse FPGA's inherent security: unlike SRAM FPGAs that expose a readable bitstream in external flash, the A54SX32-1PQG208I's configuration exists only as physical antifuse connections that cannot be read back or cloned by dumping memory. This makes it attractive for secure embedded controllers, license-protection logic, and anti-tamper gateways in industrial equipment. The 32K-gate fabric implements state machines, cryptographic assistants of modest size, and authentication sequences with deterministic timing, while the 174 I/O handles board-level sensor and actuator interfaces. Instant-on operation means security enforcement is active from the first clock edge, with no window during which an SRAM FPGA is unconfigured. The trade-off: any security patch to the logic requires a newly programmed device, so change management discipline is essential.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-1PQG208I β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-1PQG208 | A54SX32-2PQG208 | A54SX32-PQG208I | A54SX32-P1PQG208I | A54SX32A-1PQG208I |
|---|---|---|---|---|---|---|
| Package | 208-BFQFP (208-PQFP) | 208-BFQFP - same | 208-BFQFP - same | 208-BFQFP - same | 208-BFQFP - same | 208-PQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Speed Grade | -1 | -1 | -2 (faster) | standard | P1 (faster) | -1 (SX-A, 278 MHz) |
| Max Clock Frequency | 280 MHz | 280 MHz | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | 278 MHz |
| System Gates | 48000 | 48000 | 48000 | 48000 | 32000 equivalent | 32000 equivalent |
| User I/O | 174 | 174 | 174 | 174 | 174 | 174 |
| Core Process / Supply | 0.35 um, 3.3 V | 0.35 um, 3.3 V | 0.35 um, 3.3 V | 0.35 um, 3.3 V | 0.35 um, 3.0-3.6 V | 0.25 um, 2.5 V |
| Temperature Grade | Industrial (I) | Commercial | Commercial | Industrial (I) | Industrial (I) | Industrial (I) |
Key Differentiators
- Faster timing margin available in same footprint (vs A54SX32-2PQG208)
- Industrial qualification for harsh environments (vs A54SX32-1PQG208)
- Higher performance process vs SX-A successor (vs A54SX32A-1PQG208I)
Design Notes
Decouple the 3.3V supply across the 208-pin PQFP with one 0.1 uF ceramic per power/ground pin pair placed within 3 mm of the pin, plus at least 10 uF of bulk capacitance near the device. Estimated: for a 32K-gate design with moderate toggle rates, core current is typically well under the family worst case, but run the Microchip power calculator with your actual design utilization and toggle data before finalizing the regulator rating. The 5V-tolerant I/O banks should have their own decoupling network if 5V signaling is used.
Antifuse FPGAs are one-time programmable: once the fuse file is programmed, the device cannot be erased or updated. Complete full post-layout timing simulation in the Microchip Designer flow before sending devices for programming, and program a small pilot lot first. Additionally, remember that the A54SX32 is live at power-up - ensure board-level power sequencing does not assume an unconfigured FPGA during reset, since its I/O may drive immediately.
The 208-BFQFP land pattern follows the JEDEC PQFP 208 outline; follow the mechanical drawing in the Microchip 54SX datasheet for pad dimensions. Route high-speed clock and strobe nets with controlled impedance and keep them short to preserve timing margin at the 280 MHz-class toggle rates. Probe the corner power pins during bring-up, and provide thermal relief vias to inner ground planes; the PQFP dissipation is modest but the exposed lead frame benefits from a solid ground pour.
Compliance Information
Compliance data not present in the provided verified web data; consult Microchip product page or distributor compliance certificates.
