A54SX32-PQG208 - 32K-Gate SX FPGA, 208-PQFP | Microchip
MPN: A54SX32-PQG208 ✓ Active| Qty | Unit Price | Extended |
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Drop-in alternatives for A54SX32-PQG208 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32-PQG208I
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$362.79 / Unit
View Datasheet →A54SX32-PQG208M
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$1269.95 / Unit
View Datasheet →A54SX32-1PQG208I
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$44.9 / Unit
View Datasheet →A54SX32-2PQG208I
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View Datasheet →A54SX32-2PQG208
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$45.4 / Unit
View Datasheet →A54SX32-1PQG208
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$37.7 / Unit
View Datasheet →A54SX16P-PQG208I
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View Datasheet →A54SX32A-1PQG208I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32-PQG208 Maximum Ratings & Electrical Characteristics
| Family | Actel SX (54SX) |
| System Gates | 32000 |
| Logic Cells (Modules) | 1800 |
| User I/O | 174 |
| Maximum System Frequency | 240 MHz |
| Process Technology | 0.35 um CMOS antifuse |
| Supply Voltage | 3.3 V / 5 V compatible I/O environment |
| Programmability | One-Time Programmable (antifuse) |
| Package | 208-BFQFP (PQFP-208, gull-wing, square) |
| Mounting Type | Surface Mount |
| Terminal Form | Gull Wing |
| Number of Terminals | 208 |
| Package Shape | Square |
| Architecture | Sea-of-modules |
A54SX32-PQG208 square Pin Configuration Guide
Complete pinout information for A54SX32-PQG208 (square 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-PQG208.
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-PQG208 is suitable for 6 applications: High-Speed Glue Logic and Bus Bridging, Protocol Conversion and Interface Translation, Industrial Control State Machines, Communications Line Cards and Backplane Interfaces, Test and Measurement Equipment, High-Reliability and Long-Lifecycle Systems.
High-Speed Glue Logic and Bus Bridging
The A54SX32-PQG208 fits interface and glue-logic consolidation where predictable, fast timing matters. Its 240 MHz class system performance and antifuse interconnect provide low-capacitance, deterministic routing between a host processor and peripheral buses, replacing dozens of discrete 74-series devices with one 32K-gate device offering 174 user I/O. In this role the FPGA implements address decoding, bus width translation, wait-state generation, and handshaking. Because configuration is hard-wired antifuse, the bus bridge is active immediately at power-up with no configuration delay - a decisive benefit over SRAM FPGAs whose fabric needs a boot sequence before any bus transaction can complete. The 208-pin PQFP with gull-wing leads simplifies inspection and rework in through-hole-mixed industrial boards.
Recommended
Protocol Conversion and Interface Translation
Systems that must translate between legacy parallel buses and newer serial or memory-style interfaces benefit from the SX32's 1800 logic modules, which comfortably implement FIFOs, bus synchronizers, format converters, and simple protocol engines. The 174 user I/O provide enough pins to bridge two full-width buses simultaneously without external multiplexing. Antifuse non-volatility means the translation logic is trustworthy from the first clock cycle in systems with strict startup timing requirements. Designers should allocate I/O banks carefully for voltage compatibility in the 3.3V/5V environment, and run static timing sign-off in Microchip Designer before programming, since the device is one-time programmable and cannot be reconfigured in the field.
Recommended
Industrial Control State Machines
Deterministic, hard-wired control state machines are a natural fit for the A54SX32-PQG208. The sea-of-modules R-cell sequential logic implements multi-state controllers with fixed, predictable propagation delays, which simplifies safety analysis in factory automation and process control equipment. With 174 I/O the device can directly drive indicator banks, sensor handshake lines, and actuator enable signals from one chip. The antifuse fabric is immune to configuration bit-flip concerns associated with SRAM FPGAs in electrically noisy industrial environments, removing the need for external configuration flash and its associated single-point-of-failure. Commercial-grade units suit 0C to 70C cabinets; select the PQG208I variant for extended-temperature enclosures.
Recommended
Communications Line Cards and Backplane Interfaces
In telecom and datacom line cards the A54SX32-PQG208 serves as backplane interface logic, framing counters, and clock-domain crossing circuitry. Its 240 MHz class toggle capability covers legacy backplane clock rates with margin, and the PQFP-208 gull-wing package provides good signal-integrity behavior for the 3.3V signaling levels typical of backplane environments. Non-volatile antifuse configuration means line cards enumerate immediately at shelf power-up, which matters in redundant systems where cards must be ready within a fixed interval. Designers should budget supply decoupling per the 54SX datasheet recommendations and verify AC timing against the specific speed grade ordered (-1 or -2), since the base part and speed-grade variants differ in guaranteed timing.
Recommended
Test and Measurement Equipment
Instrument makers use the A54SX32-PQG208 for trigger logic, event counters, timing generators, and front-end interface arrays. The SX family's deterministic antifuse routing produces repeatable timing from unit to unit - an important property when instruments are calibrated individually, since SRAM FPGA routing variability can shift timing characteristics between calibration cycles. The 174 I/O connect directly to front-panel logic and acquisition circuitry, and the 208-PQFP through-hole-inspectable leads support the rework-friendly assemblies common in instrument manufacturing. Because the device is one-time programmable, instrument firmware logic that may need field updates should be partitioned into a companion MCU or flash-based device, reserving the SX32 for fixed high-speed logic.
Recommended
High-Reliability and Long-Lifecycle Systems
Platforms with long service lives - avionics-adjacent ground equipment, rail infrastructure, and defense-support systems - value the A54SX32-PQG208 for two reasons. First, the antifuse fabric has no configuration storage to upset, improving robustness in radiation-stressed or high-vibration environments compared with SRAM FPGAs that need scrubbing. Second, the existence of industrial (I) and military (M) graded variants in the identical 208-PQFP footprint allows a single PCB design to serve multiple reliability tiers without redesign. Designers should lock the design source and programming bitstream in configuration management, order devices with verified date codes from authorized channels, and qualify the specific temperature grade against the program's environmental specification before production release.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-PQG208 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-PQG208I | A54SX32-PQG208M | A54SX32-2PQG208I | A54SX32A-1PQG208I | A54SX16P-PQG208I |
|---|---|---|---|---|---|---|
| Package | 208-PQFP (BFQFP, gull-wing) | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same |
| Brand | Microchip Technology (Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 32K | 32K | 32K | 32K | 32K (SX-A) | 16K class (SX16P) |
| Logic Cells | 1800 | 1800 | 1800 | 1800 | 1800 | [DATA_NEEDED] |
| User I/O | 174 | 174 | 174 | 174 | [DATA_NEEDED] | [DATA_NEEDED] |
| Maximum System Frequency | 240 MHz (SX family class) | 240 MHz class | 240 MHz class | higher within grade -2 | 313 MHz class (SX-A) | [DATA_NEEDED] |
| Temperature Grade | Commercial | Industrial | Military | Industrial | Industrial | Industrial |
| Process / Family | 0.35 um antifuse, SX | 0.35 um antifuse, SX | 0.35 um antifuse, SX | 0.35 um antifuse, SX | 0.25 um antifuse, SX-A | SX16P antifuse family |
Key Differentiators
- Non-volatile antifuse fabric with zero boot time (vs SRAM-based competitor FPGAs)
- Multi-grade single-footprint family (vs A54SX32-PQG208I / A54SX32-PQG208M)
- Honest trade-off: lower speed than SX-A successor (vs A54SX32A-1PQG208I)
- Density trade-off within same package (vs A54SX16P-PQG208I)
Design Notes
The A54SX32-PQG208 is one-time programmable. There is no field reconfiguration: an antifuse programming error or a design change after programming permanently consumes the device. Complete functional simulation, timing closure, and a formal design review in the Actel/Microchip Designer flow before releasing any unit to programming. For programs needing in-field updates, partition mutable logic into a companion flash-based device and reserve the SX32 for fixed high-speed logic.
The device operates in a 3.3V environment with 5V-compatible I/O characteristics per SX family data. Verify per-bank I/O voltage assignment against the 54SX datasheet DC tables before schematic capture, and decouple every VDD/VSS pair with 0.1 uF ceramics placed within a few millimeters of the package. Because antifuse FPGAs draw no configuration current at power-up, supply sequencing is simpler than SRAM FPGAs, but inrush from high fan-out I/O switching should still be estimated against your regulator's transient response.
Use the 208-PQFP mechanical drawing in the 54SX datasheet for the land pattern, and design the footprint to accept the industrial (PQG208I) and military (PQG208M) variants from day one so temperature-grade upgrades require no PCB change. Route high-speed output groups with matched lengths where timing skew matters, and provide thermal relief via the PQFP's ground leads and adjacent copper pours; the gull-wing package relies on lead heat conduction, so a solid ground plane under the device improves both thermal and signal-integrity performance.
Compliance Information
Compliance data was not present in the provided verified web data for this mature Actel-line part; confirm RoHS/REACH status on the Microchip product page or with the distributor.
