A54SX32-2PQG208 - 48K Gate SX FPGA 208-PQFP | Microchip
MPN: A54SX32-2PQG208 ✓ 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 | $45.4 | $45,400.00 |
Drop-in alternatives for A54SX32-2PQG208 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32-2PQG208I
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View Datasheet →A54SX32-P2PQG208
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32A-2PQG208
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX16P-2PQG208I
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$38.5 / Unit
View Datasheet →A54SX32-2PQG208 Maximum Ratings & Electrical Characteristics
| Family | Actel SX (SX FPGA) |
| System Gates | 48000 gates |
| Equivalent Gates | 32000 gates |
| Logic Modules (Cells) | 1800 cells |
| Number of I/O | 174 |
| Maximum Toggle Frequency | 320 MHz |
| Process Technology | 0.35 um CMOS |
| Supply Voltage | 3.3 V (3 V to 3.6 V), 5 V (4.75 V to 5.25 V) |
| Programming Type | One-Time Programmable (antifuse) |
| Operating Temperature | 0C to +70C (TA) |
| Package | 208-BFQFP (PQFP-208) |
| Package Dimensions | 28 x 28 x 3.4 mm |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| RoHS Status | Compliant |
| Architecture | Sea-of-modules (C-cells and R-cells) |
A54SX32-2PQG208 28 x 28 x 3.4 mm Pin Configuration Guide
Complete pinout information for A54SX32-2PQG208 (28 x 28 x 3.4 mm 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 A54SX32-2PQG208.
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
A54SX32-2PQG208 is suitable for 6 applications: Industrial Control and Automation, Legacy Defense and Avionics Heritage Systems, Bus Bridging and Interface Conversion, Instant-On Glue Logic Integration, Data Acquisition and Instrumentation Timing, Medical Device Control Electronics.
Industrial Control and Automation
The A54SX32-2PQG208 fits industrial controllers because its 3.3V/5V dual-supply I/O directly bridges modern 3.3V logic with legacy 5V TTL sensor and actuator buses without level shifters, and its 174 user I/O handle wide parallel fieldbus interfaces. In a PLC or motor-control backplane, the 320 MHz-class fabric absorbs state machines, interlocks, and PWM generation in one 208-PQFP device. Because the antifuse configuration is nonvolatile, the controller is functional within nanoseconds of power-on - no configuration boot delay that could leave outputs floating. Designers should budget the one-time-programmable constraint by freezing firmware logic before production release, as field updates require device replacement rather than reflashing.
Recommended
Legacy Defense and Avionics Heritage Systems
Defense and avionics sustainment programs widely deployed Actel SX FPGAs, and the A54SX32-2PQG208 serves as a sustainment/repair component for those boards. Its antifuse fabric is immune to configuration upset from radiation-induced bit flips in the way SRAM fabrics are not, and it presents no configuration readback path, aligning with anti-tamper practices. The deterministic pin-to-pin delays of the sea-of-modules architecture simplify re-verification of legacy timing budgets when replacing a failed device. Procurement should match the original temperature grade (commercial -2 vs industrial -I) and date-code policy of the platform's qualification basis. For new defense starts, Microchip's RTAX radiation-tolerant family is the modern successor path rather than the commercial SX.
Recommended
Bus Bridging and Interface Conversion
With 174 user I/O and 5V-tolerant input structures, the A54SX32-2PQG208 is well suited to bridging wide legacy parallel buses - such as VME, ISA-heritage, or backplane buses - to modern 3.3V logic. A single 208-PQFP device replaces dozens of 74-series TTL buffers, transceivers, and decoders, cutting board area, power, and assembly cost. The fine-grained C-cell/R-cell fabric maps byte-wide register files, address decoders, and handshaking logic with high utilization, while 320 MHz-class toggle performance far exceeds bus cycle rates. Because routing delays are predictable, worst-case bus timing can be signed off statically. Designers must verify per-pin drive current limits against bus loading when directly driving heavily loaded backplanes.
Recommended
Instant-On Glue Logic Integration
The A54SX32-2PQG208 consolidates random glue logic - address decoding, reset generation, chip-select maps, and bus multiplexing - into one nonvolatile device that is active the instant power is applied. Unlike SRAM FPGAs that spend milliseconds loading configuration from an external flash, the antifuse SX begins controlling reset and power-sequencing signals immediately, which matters for systems with strict reset timing requirements. The 48K-gate capacity comfortably absorbs thousands of gates of scattered SSI/MSI logic. In microprocessor systems pairing the FPGA with devices such as the MSP430FR5994, the SX can manage power-sequenced enables and watchdog logic from the first clock edge. The one-time-programmable nature rewards designs with frozen, stable logic definitions.
Recommended
Data Acquisition and Instrumentation Timing
Precision instruments need deterministic trigger, sample-clock distribution, and histogram logic; the A54SX32-2PQG208 provides 320 MHz-class toggle rates and fixed routing delays that keep sample strobes aligned across the 174 I/O. Pairing the SX32 with high-resolution converters such as the ADS1220 allows the FPGA to generate serialization, busy-handshake, and averaging counters with sub-nanosecond skew predictability across the parallel bus. The antifuse fabric also avoids the configuration-lockup risk of SRAM devices during brownout events, an advantage in bench and rack instruments that cycle power frequently. Because logic is burned once, instrument firmware logic should be finalized before programming, with spare gates reserved for ECOs via a documented rework path.
Recommended
Medical Device Control Electronics
Medical monitoring and diagnostic equipment benefits from the A54SX32-2PQG208's instant-on nonvolatile configuration, which guarantees that safety interlock and power-management logic is asserting correct levels from power application - a consideration for IEC 60601-class system risk analyses where uncontrolled I/O during boot is a hazard. The 5V-tolerant I/O eases integration with legacy patient-isolation and sensor front-end electronics, and the fixed timing simplifies verification artifacts required for regulatory documentation. Devices such as the TMP411 temperature sensors attach directly to FPGA-managed monitoring buses. As with all OTP FPGAs, design changes require new programmed devices, so design history files should retain the exact fuse database revision shipped with each production lot.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-2PQG208 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-2PQG208I | A54SX32-P2PQG208 | A54SX32A-2PQG208 | A54SX16P-2PQG208I |
|---|---|---|---|---|---|
| Package | 208-BFQFP (PQFP-208) | 208-BFQFP - same | 208-BFQFP - same | 208-BFQFP - same | 208-BFQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48000 | 48000 | 48000 | 48000 | 16000 class (lower) |
| User I/O | 174 | 174 | 174 | [DATA_NEEDED] | [DATA_NEEDED] |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V |
| Operating Temperature | 0C to +70C | Extended industrial (-I grade) | [DATA_NEEDED] | [DATA_NEEDED] | Industrial (-I grade) |
| Family / Architecture | SX (antifuse, sea-of-modules) | SX - identical die | SX - identical die, faster grade | SX-A - enhanced successor, requires re-fit | SX16P - smaller class |
| Design Migration Effort | n/a (reference) | None - drop-in | None - drop-in (better timing margin) | Recompile + re-verify against SX-A timing | Re-fit design to smaller device |
Key Differentiators
- Identical-die industrial grade available (vs A54SX32-2PQG208I)
- Free timing margin upgrade (vs A54SX32-P2PQG208)
- Original SX vs SX-A successor (vs A54SX32A-2PQG208)
Design Notes
Decouple the 3.3V core rail and the I/O supply separately: place at least one 10uF bulk capacitor plus 0.1uF ceramics at each of the VCCA/VCCI pin groups of the 208-PQFP, as close to the supply pins as layout allows. Estimated: at 174 switching I/O driving moderate loads, transient currents on VCCI can reach the ampere class, so a solid ground return plane under the package is essential to keep ground bounce within noise margins.
The SX family is one-time programmable. Never release the board to programming without full gate-level simulation and a pin-report cross-check against the schematic netlist, because a fuse-level error cannot be corrected in the field. Keep the Designer software fuse database under version control and record the programming file checksum for each production lot. For prototypes, program spare devices alongside each design iteration.
The 208-PQFP has 0.5 mm pin pitch; use a solder-mask-defined land pattern per the Microchip 54SX datasheet package drawing and verify paste apertures to prevent bridging on this mature large-pitch QFP. Surround the package with a continuous ground plane and tie all GND pins to it with short vias. Unused I/O should be configured with the Designer software default weak pull-up or driven low to avoid floating inputs that increase noise susceptibility.
Estimated: the SX32 in PQFP-208 dissipates on the order of a few hundred milliwatts typical for moderate toggle rates, so forced airflow is generally unnecessary. However, worst-case power depends on toggle activity and I/O loading - run the Designer power calculator with your actual design before finalizing enclosure convection assumptions, and verify junction temperature stays within the 0C to +70C commercial envelope, or select the -I industrial grade if margins are tight.
Compliance Information
Newark lists 'RoHS Compliant: Yes'; PCB Electronics describes the part as LEAD FREE. Not an automotive AEC-Q100 product line. REACH/halogen-free status not stated in provided data.
