A54SX32A-PQG208A - 48K Gate SX-A FPGA, 208-PQFP | Microchip
MPN: A54SX32A-PQG208A ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $68.5 | $68.50 |
| 10 | $62.4 | $624.00 |
| 100 | $55.9 | $5,590.00 |
| 500 | $51.2 | $25,600.00 |
| 1,000 | $47.8 | $47,800.00 |
Drop-in alternatives for A54SX32A-PQG208A — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32A-1PQG208M
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View Datasheet →A54SX32A-1PQG208I
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$44.75 / Unit
View Datasheet →A54SX32A-PQG208I
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A54SX32A-2PQG208
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A54SX32A-1PQG208I
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$44.75 / Unit
View Datasheet →A54SX32A-PQG208M
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View Datasheet →A54SX32A-PQG208A Maximum Ratings & Electrical Characteristics
| Family | SX-A (Actel/Microsemi antifuse FPGA) |
| System Gates | 48000 gates (32000 typical) |
| Logic Modules | 2880 modules (C-cell and R-cell) |
| User I/O | 174 |
| Maximum Toggle Frequency | 238 MHz |
| Register-to-Register Timing | 1.2 ns |
| Core Supply Voltage | 2.5 V nominal (2.25 V to 2.75 V) |
| Technology | 0.25 um antifuse (CMOS) |
| Programmability | One-time programmable (antifuse) |
| Package | 208-PQFP / 208-BFQFP (28 x 28 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | 0C to +70C (TA, commercial 'A' grade) |
| Configuration | Internal antifuse, no external boot ROM required |
| Architecture | Sea-of-modules |
| Supplier Status | In Production |
A54SX32A-PQG208A 208-pqfp / 208-bfqfp (28 x 28 mm) Pin Configuration Guide
Complete pinout information for A54SX32A-PQG208A (208-pqfp / 208-bfqfp (28 x 28 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 A54SX32A-PQG208A.
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
A54SX32A-PQG208A is suitable for 6 applications: Industrial Control and Automation, Defense and Secure Systems, Protocol Bridge and Glue Logic, ASIC Prototyping and Emulation, Test and Measurement Equipment, Medical Device Control Logic.
Industrial Control and Automation
The A54SX32A-PQG208A fits industrial control systems that need deterministic, secure glue logic between PLC processors, I/O modules, and field interfaces. Its 174 user I/O handle dense parallel interfacing, while the 238 MHz toggle capability and 1.2 ns deterministic routing delays support hard-real-time sequencing without software latency. Because the antifuse fabric is one-time-programmable and cannot be read back, proprietary control IP embedded in the FPGA is protected from cloning on the factory floor. The device typically sits between a microcontroller and backplane connectors, implementing state machines, address decoding, and bus bridging at a 2.5V core. Designers should select the industrial-grade PQG208I suffix where ambient temperatures exceed the commercial 0C to +70C window of this commercial-grade variant.
Recommended
Defense and Secure Systems
Antifuse FPGAs are a mainstay of defense electronics precisely because the A54SX32A-PQG208A stores its configuration in permanent antifuse switches: there is no bitstream in external memory to intercept, and no readback path for reverse engineering. The 48,000-gate density suits missile guidance glue logic, secure communications bridging, and radar subsystem timing generators. Military temperature variants such as A54SX32A-1PQG208M extend the commercial 0C to +70C range for harsh environments. Instant-on behavior - active within nanoseconds of power application without configuration loading - matters for time-critical weapons and avionics buses. The 208-pin PQFP's gull-wing leads also simplify inspection for high-reliability solder processes compared with area-array packages of the same era.
Recommended
Protocol Bridge and Glue Logic
Legacy systems frequently mix bus standards - PCI-era backplanes, VME, parallel memory buses, and custom interfaces - and the A54SX32A-PQG208A provides single-chip bridging between them. With 48,000 system gates and 2,880 C-cell/R-cell modules, it absorbs address decoders, FIFOs, bus arbiters, and handshaking state machines that would otherwise require dozens of 74-series devices. The sea-of-modules architecture gives uniform routing delays of about 1.2 ns, so bus timing analysis stays deterministic across placement iterations. Its 174 I/O in the 28 x 28 mm PQFP supply enough pins for 32/64-bit parallel buses plus control signals. Replacing multi-chip glue logic with one A54SX32A reduces board area, assembly cost, and inventory line items simultaneously.
Recommended
ASIC Prototyping and Emulation
Before committing to an ASIC tape-out, engineers historically mapped RTL into antifuse FPGAs such as the A54SX32A-PQG208A for speed-accurate prototyping at real clock rates. The 238 MHz toggle rate and low-jitter antifuse routing let prototype boards run near target frequencies, exposing timing and functional bugs that slower SRAM FPGA emulators hide. Because the device programs once, teams first validate on multiples of the commercial-grade part, then fix the netlist before final programming. The 208-PQFP footprint supports rework-friendly prototype boards with sockets or released burn-in boards. Today this practice persists in sustaining engineering for legacy ASIC replacements: an obsolete ASIC's reverse-engineered netlist is compiled into the A54SX32A to extend product life.
Recommended
Test and Measurement Equipment
Bench instruments and automated test equipment benefit from the A54SX32A-PQG208A's deterministic timing and instant-on operation. Trigger generators, timing pattern generators, and channel-scan controllers implemented in the 48K-gate fabric start working the instant power is applied - no configuration delay - which shortens instrument boot time and supports triggered measurements synchronized to mains or external references. The 1.2 ns register-to-register figure gives sub-nanosecond-scale resolution in timing generators, while 174 I/O drive multi-channel test headers directly. Commercial 0C to +70C operation matches typical laboratory environments. For production ATE racks, the one-time-programmable fabric also guarantees the test program's hardware configuration never changes between calibration and field deployment.
Recommended
Medical Device Control Logic
Non-safety-critical control and interface logic in medical instruments - sample handling robotics, display interfacing, communication bridging - can leverage the A54SX32A-PQG208A's secure, configuration-free operation. The antifuse fabric guarantees the shipped configuration is identical for every unit produced, simplifying design-history-file documentation for regulatory audits since no firmware can be altered in the field. Its 2.5V low-static-power core keeps instrument standby current modest, and deterministic 1.2 ns delays simplify timing analysis of motion-control handshakes with motor drivers. Designers must observe the commercial 0C to +70C limit or specify the industrial PQG208I variant, and should confirm current lifecycle support status with Microchip for long product lifetimes typical of medical equipment.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-PQG208A — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-1PQG208M | A54SX32A-PQG208I | A54SX32A-2PQG208 | A54SX32A-1PQG208 |
|---|---|---|---|---|---|
| Package | 208-BFQFP / PQFP (28 x 28 mm) | 208-PQFP - same | 208-BFQFP - same | 208-PQFP - same | 208-PQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48000 (32000 typical) | 48000 - same die | 48000 - same die | 48000 - same die | 48000 - same die |
| User I/O | 174 | 174 | 174 | 174 | 174 |
| Speed Grade | Standard | -1 (faster) | Standard | -2 (fastest) | -1 (faster) |
| Operating Temperature | 0C to +70C | Military grade range | -40C to +85C | 0C to +70C | 0C to +70C |
| Core Supply Voltage | 2.5 V nominal | 2.5 V nominal | 2.5 V nominal | 2.5 V nominal | 2.5 V nominal |
| Configuration | One-time programmable antifuse | One-time programmable antifuse | One-time programmable antifuse | One-time programmable antifuse | One-time programmable antifuse |
Key Differentiators
- Configuration security with no external boot memory (vs SRAM FPGAs of comparable density)
- Deterministic routing delays (vs A54SX72A-1PQG208)
- Trade-off: one-time programmability (vs A54SX32A-2PQG208)
Design Notes
Power the 2.5V core rail from a regulator with 2.25V-2.75V tolerance and sequence it with I/O banks per the SX-A datasheet power-up guidance. Because antifuse FPGAs draw low static current, decoupling can be modest - a bulk 10uF-22uF ceramic plus local 0.1uF per VDD pin pair is typical practice for this package class - but verify dynamic current with the Libero power estimator at your actual toggle rate, since dynamic power at 238 MHz dominates.
The A54SX32A is one-time programmable: an incorrect netlist cannot be erased. Always prototype on lower-cost family members or spare devices, run full post-layout timing simulation in Libero/Designer, and lock the pin assignment file before generating the fuse map. Ordering the wrong temperature suffix (A vs I vs M) is another common error - verify the suffix against your environmental specification before placing production orders.
The 208-PQFP 28 x 28 mm footprint uses 0.5 mm pitch gull-wing leads requiring careful solder-paste stencil design to avoid bridging; follow IPC-recommended land patterns for PQFP packages. Route high-fanout clock nets to dedicated clock pins and keep stub lengths short; the deterministic 1.2 ns routing delay applies to the fabric, not to your PCB traces. Provide solid ground return under the package via a full ground plane to control I/O return paths.
Compliance Information
Compliance status for this legacy SX-A package was not present in the retrieved web data; consult Microchip's official product page or environmental datasheet for RoHS/REACH declarations.
