A54SX32-PQG208M - SX FPGA 32K Gates 208-QFP | Microchip
MPN: A54SX32-PQG208M ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1935.6 | $1,935.60 |
| 10 | $1742.04 | $17,420.40 |
| 100 | $1567.83 | $156,783.00 |
| 500 | $1411.05 | $705,525.00 |
| 1,000 | $1269.95 | $1,269,950.00 |
Drop-in alternatives for A54SX32-PQG208M — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32-P1PQG208M
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A54SX32-PQG208I
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$362.79 / Unit
View Datasheet →A54SX32-2PQG208I
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View Datasheet →A54SX32-1PQG208I
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$44.9 / Unit
View Datasheet →A54SX32-2PQG208
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$45.4 / Unit
View Datasheet →A54SX32-1PQG208
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$37.7 / Unit
View Datasheet →A54SX32A-PQG208I
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A54SX32-PQG208M Maximum Ratings & Electrical Characteristics
| Family | Actel SX (Antifuse FPGA) |
| System Gates | 32000 gates |
| Logic Blocks (CLBs) | 2880 |
| User I/O | 174 |
| Supply Voltage | 3.0 V to 3.6 V (nominal 3.3 V) |
| Maximum Toggle Frequency | 280 MHz |
| Programming Technology | Antifuse (One-Time Programmable) |
| Architecture | Sea-of-modules |
| Package | 208-BFQFP (PQFP-G208), 0.5 mm pitch |
| Mounting Type | Surface Mount |
| Operating Temperature | 0 C to +70 C (M commercial grade) |
| Lead Free | Yes (PQG = lead-free green suffix) |
| Configuration Memory | Non-volatile antifuse (no external config PROM) |
| RoHS Status | Compliant |
| Design Software | Microchip Libero SoC / Actel Designer |
| Trade Suffix | M = commercial temperature, lead-free |
A54SX32-PQG208M 208-bfqfp (pqfp-g208), 0.5 mm pitch Pin Configuration Guide
Complete pinout information for A54SX32-PQG208M (208-bfqfp (pqfp-g208), 0.5 mm pitch 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-PQG208M.
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-PQG208M is suitable for 6 applications: Industrial Control and Automation, Communications and Networking Glue Logic, Test and Measurement Instrumentation, Aerospace and Defense Ground Equipment, Legacy System Sustainment and Obsolescence Redesign, Secure Embedded Systems.
Industrial Control and Automation
The A54SX32-PQG208M fits industrial control backplanes where deterministic, fixed-function logic must survive years of continuous duty. Its 32K gates and 2,880 CLBs implement PLC sequencing, encoder decoding, and interlock logic, while 174 user I/Os at 3.3 V with 5 V-tolerant modes interface directly with legacy 5 V sensors through appropriate level strategy. The antifuse fabric carries no configuration bitstream that can be corrupted by EMI, a real advantage on electrically noisy factory floors where SRAM FPGAs may require configuration scrubbing. With toggle capability to 280 MHz, the device easily closes timing on state machines and bus interfaces. The one-time-programmable flow means the deployed logic image is immutable - valuable for audit trails in process-control systems. Place it between a CPU module and I/O cards to offload real-time duties from software.
Recommended
Communications and Networking Glue Logic
In telecom and datacom line cards, the A54SX32-PQG208M consolidates address decoding, bus bridging, and framer-adjacent glue logic that would otherwise consume several CPLDs or discrete devices. The SX sea-of-modules architecture gives short, predictable inter-module routing delays, letting designers meet sub-10 ns critical paths without exhaustive timing iterations. Its antifuse configuration loads instantly at power-up with no boot time and no external PROM - important for hot-swappable or high-availability equipment where reset behavior must be deterministic. The 3.0 V to 3.6 V supply matches standard 3.3 V card rails, and 174 I/Os support wide parallel buses to PHYs and framers. Design security is another benefit: the programmed netlist cannot be read back, protecting proprietary protocol logic shipped in fielded hardware.
Recommended
Test and Measurement Instrumentation
Bench and automated test equipment rely on the A54SX32-PQG208M for timing generation, counter/timer arrays, and instrument backplane interfacing. The SX family's combination of 280 MHz toggle capability and antifuse determinism produces jitter-free clock dividers and trigger logic that software-based sequencing cannot match. With 2,880 CLBs the device integrates status registers, comparators, and handshaking state machines alongside the timing core, reducing chip count inside instrument enclosures. Commercial 0 C to +70 C rating matches typical lab operating envelopes, keeping cost below industrial-grade variants. Because the configuration is non-volatile, instruments power up functional immediately - no loader FPGA or microcontroller boot sequence is needed. For portable instruments, the elimination of the configuration PROM also saves board area and BOM cost in compact designs.
Recommended
Aerospace and Defense Ground Equipment
While the commercial-grade PQG208M targets ground-based defense equipment such as radar test sets, satellite ground stations, and secure communications racks, the same die is offered in extended-screening variants (A54SX32-P1PQG208M) sharing the identical 208-BFQFP footprint - allowing one PCB design to serve multiple temperature classes. Antifuse FPGAs are historically favored in this sector because configuration data cannot be read back, and the fabric is immune to configuration-memory upset, improving mission assurance for fixed-function processing chains. The 32K gate capacity handles interface formatting, DMA control, and crypto-adjacent glue around processors. Designers should pair the device with Microchip radiation-tolerant RTAX parts in higher-altitude programs, reusing RTL where possible since both use comparable Libero tooling flows and antifuse design methodology.
Recommended
Legacy System Sustainment and Obsolescence Redesign
Many installed-base products from the late 1990s and 2000s were designed around Actel SX FPGAs. The A54SX32-PQG208M serves both as a sustainment buy for those systems and as a target when porting designs from obsolete smaller SX devices: within the 208-BFQFP footprint, the 32K-gate die can absorb logic from A54SX08 and A54SX16 predecessors, consolidating two devices into one. Because the whole A54SX32 family shares the same footprint across temperature and speed grades, a single PCB layout supports multiple sourcing options (PQG208M, PQG208I, 2PQG208I), mitigating single-sku shortage risk. Engineering teams porting SRAM-FPGA designs into antifuse silicon for end-of-life SRAM parts also benefit from the no-boot-PROM architecture, which simplifies power sequencing in refurbished legacy platforms.
Recommended
Secure Embedded Systems
Applications that must protect their logic implementation - anti-cloning, key-management wrappers, and proprietary interface controllers - benefit from the A54SX32-PQG208M's antifuse architecture. Unlike SRAM FPGAs whose bitstream is stored externally and decrypted at boot, the antifuse configuration exists only as physical connections inside the package; there is no bitstream to intercept and no readback path. The device implements secure boot-strap logic, bus encryption bridges, and authentication state machines around host processors. Its instant-on behavior means security logic is active from the first clock, closing the window that SRAM FPGAs leave open during configuration loading. Combined with Microchip secure-authentication ICs at the board level, the PQG208M anchors a defense-in-depth chain where the most sensitive netlist is literally unobservable from outside the package.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-PQG208M — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-P1PQG208M | A54SX32-PQG208I | A54SX32-2PQG208I | A54SX32A-PQG208I |
|---|---|---|---|---|---|
| Package | 208-BFQFP (PQFP-G208), 0.5 mm pitch | 208-PQFP (S-PQFP-G208) - same footprint | 208-BFQFP - same | 208-BFQFP - same | 208-BFQFP - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 32,000 | 32,000 | 32,000 | 32,000 | 32,000 (SX-A family) |
| User I/O | 174 | 174 in / 174 out | 174 | 174 | 174 |
| Operating Temperature | 0 C to +70 C (commercial) | -55 C to +125 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Speed Grade | Standard | P1 | Standard | -2 (faster) | Standard (SX-A) |
| Max Toggle Frequency | 280 MHz | 280 MHz | 280 MHz | 280 MHz (speed-grade dependent paths) | [DATA_NEEDED] |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V (3.3 V nominal) | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
Key Differentiators
- One-time-programmable antifuse fabric with instant-on operation (vs SRAM-based FPGAs (e.g., Lattice ECP, AMD Spartan))
- Higher gate density within the same footprint versus smaller SX siblings (vs A54SX16P-PQG208I)
- Commercial-grade cost efficiency (vs A54SX32-P1PQG208M)
- Mature deterministic timing architecture (vs A54SX32A-PQG208I (SX-A generation))
Design Notes
Antifuse FPGAs are one-time programmable: an incorrect fuse file or a mis-assigned I/O consumes the physical device permanently. Always complete static timing analysis in Microchip Libero/Designer, verify the pin report against the PCB netlist, and run a design-rule check before releasing any unit to the programmer. Reserve 10-15% spare gates and several spare I/Os for engineering-change margin, because ECOs cannot be re-flashed into an already-programmed part - only a fresh device can absorb a logic change.
The 208-BFQFP has 0.5 mm pitch leads - specify a solder-mask-defined or non-solder-mask-defined QFP footprint per IPC-7351 guidance and verify paste aperture sizing to avoid bridging on the dense lead rows. Provide generous ground and VCCA/VCCI planes; SX devices require clean 3.3 V rails, so place 0.1 uF ceramic decoupling at each supply pin group plus bulk 10 uF near the package. JTAG programming pins should route to a header even in production boards to support in-circuit fuse programming.
Estimated: SX power depends heavily on toggle activity; a typical 32K-gate design with 30% switching at 3.3 V draws well under 0.5 W, but hot clock trees increase this. Use the Microchip Libero power calculator with your post-layout netlist for accurate ICC estimates, then size the 3.3 V rail with at least 50% headroom. Do not share the FPGA supply rail with high-dV/dt loads; the antifuse fabric itself needs no configuration power sequencing and powers up functional immediately.
With 174 user I/Os and up to 280 MHz toggle capability, edge rates on the SX I/O ring can be fast enough to cause ringing on long unterminated traces. Series-terminate (22-33 ohm) any output driving a trace longer than roughly one-fifth of the signal rise time's electrical length, and keep clock outputs on inner layers with adjacent ground returns. Group I/O banks by voltage domain and honor simultaneous-switching-output limits on bus widths above 32 bits.
Compliance Information
Distributor listings explicitly mark A54SX32-PQG208M as LEAD FREE; the G suffix in PQG denotes the green/lead-free package option. REACH and halogen-free declarations not found in provided data - request manufacturer material declaration.
