A54SX32-1PQG208M - 48K Gate SX FPGA, 174 I/O | Microchip
MPN: A54SX32-1PQG208M ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $68.5 | $68.50 |
| 10 | $62.3 | $623.00 |
| 100 | $55.1 | $5,510.00 |
| 500 | $49.8 | $24,900.00 |
| 1,000 | $44.6 | $44,600.00 |
Drop-in alternatives for A54SX32-1PQG208M — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32-1PQG208I
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$44.9 / Unit
View Datasheet →A54SX32-1PQG208
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$37.7 / Unit
View Datasheet →A54SX32-2PQG208I
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View Datasheet →A54SX32-2PQG208
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$45.4 / Unit
View Datasheet →A54SX32-PQG208I
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$362.79 / Unit
View Datasheet →A54SX32-PQG208M
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$1269.95 / Unit
View Datasheet →A54SX32-PQG208
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View Datasheet →A54SX32-1PQG208M Maximum Ratings & Electrical Characteristics
| Family | SX (Actel SX) FPGA |
| System Gates | 48,000 |
| Typical Equivalent Gates | 32,000 |
| Logic Modules / Cells | 1800 cells (2880 CLBs per series listing) |
| User I/O | 174 |
| Supply Voltage (Core) | 3.3 V nominal (3.0 V to 3.6 V) |
| I/O Voltage Support | 3.3 V / 5 V |
| Technology | 0.35 um CMOS |
| Programming Type | One-Time Programmable (antifuse) |
| Speed Grade | -1 |
| Package | 208-BFQFP (fine-pitch PQFP, 0.5 mm pitch) |
| Mounting Type | Surface Mount |
| Configuration Retention | Non-volatile (antifuse) |
A54SX32-1PQG208M 208-bfqfp (fine-pitch pqfp, 0.5 mm pitch) Pin Configuration Guide
Complete pinout information for A54SX32-1PQG208M (208-bfqfp (fine-pitch pqfp, 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 A54SX32-1PQG208M.
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
A54SX32-1PQG208M is suitable for 6 applications: Industrial Control and Automation Glue Logic, Bus Bridging and Interface Conversion, Telecom Line-Card Control Logic, Legacy System Sustainment and Obsolescence Management, Test and Measurement Fixture Logic, Secure and Anti-Tamper Control Logic.
Industrial Control and Automation Glue Logic
The A54SX32-1PQG208M fits industrial control backplanes and PLC I/O modules where medium-density glue logic must power up instantly and never lose configuration. Its antifuse fabric (48K system gates, 174 user I/O) consolidates address decoding, interrupt control, and peripheral handshaking that would otherwise require dozens of 74-series devices, cutting BOM count and board area. Because configuration is non-volatile, no configuration PROM or microcontroller boot sequence is needed, improving system reliability in electrically noisy factory environments. The 3.3V core with 5V-tolerant I/O lets it bridge legacy 5V TTL sensors and modern 3.3V controllers on the same board without level-shifting devices.
Recommended
Bus Bridging and Interface Conversion
With 174 bidirectional I/O and mux-optimized logic modules, the A54SX32-1PQG208M is well suited to protocol and bus bridging: translating between legacy VME/ISA-style parallel buses and modern peripherals, or implementing custom parallel-to-serial conversion. The SX sea-of-modules architecture gives predictable, ASIC-like routing delay across the 1800-cell fabric, which simplifies meeting fixed bus timing budgets. The 208-BFQFP's 0.5 mm pitch provides enough pins for wide 32-bit data buses plus address and control lines in one package. Non-volatile antifuse configuration means the bridge is functional from the first clock edge at power-up, an advantage in systems where a CPU only initializes downstream logic later in the boot process.
Recommended
Telecom Line-Card Control Logic
Telecom line cards historically used Actel SX FPGAs for supervisory logic: alarms, LED drivers, relay control, and backplane handshaking. The A54SX32-1PQG208M suits this role because its 3.3V supply matches line-card logic rails, its 5V-tolerant I/O interfaces with legacy backplane signaling, and its one-time-programmable configuration cannot be corrupted by power transients during hot-swap events. The 48K-gate capacity holds frame synchronization state machines, counters, and clock-domain-crossing synchronizers comfortably. The -1 speed grade covers typical line-card supervision clock rates of a few tens of MHz with timing margin; verify critical paths in Designer static timing before commit.
Recommended
Legacy System Sustainment and Obsolescence Management
For military, avionics and industrial programs designed around Actel SX silicon, the A54SX32-1PQG208M is a lifecycle-sustainment buy: the same die and 208-BFQFP footprint keep legacy PCBs serviceable without redesign. Speed-grade variants (standard, -1, -2) in the identical package allow substitution based on availability while preserving the verified timing model within grade limits. Because the antifuse design file is permanent, no firmware refresh or configuration image management is required over decades of service. Procurement teams should qualify the -1 grade drop-in alternates listed on this page (I-grade and -2 grade parts) as second sources against allocation risk on the exact M-variant.
Recommended
Test and Measurement Fixture Logic
ATE fixtures and rack instruments benefit from the A54SX32-1PQG208M's instant-on behavior: test sequences can begin at power application without waiting for configuration download, increasing tester throughput. The 174 user I/O drive and sense many test points in parallel, while mux-based logic modules implement address generators, pattern decoders and comparators efficiently within the 48K-gate budget. The 0.35 um CMOS process keeps static power low, reducing heat rise inside enclosed rack systems. Its OTP nature also prevents accidental or malicious design modification on production floors, protecting test IP embedded in the fixture logic.
Recommended
Secure and Anti-Tamper Control Logic
Because antifuse FPGAs carry no readable configuration bitstream on external memory, the A54SX32-1PQG208M is a natural fit for security-sensitive control logic: key management state machines, tamper-detect sequencing, and access-control arbitration. There is no configuration PROM to intercept, and after programming the internal interconnect cannot be read out the way SRAM FPGA bitstreams can. The 32K-gate capacity implements encryption-control wrappers and watchdog logic, while 174 I/O interface with sensors, locks and host processors. Note that OTP means design changes require new silicon, so freeze the security design before programming production units.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-1PQG208M — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-1PQG208I | A54SX32-1PQG208 | A54SX32-2PQG208I | A54SX32-PQG208 |
|---|---|---|---|---|---|
| Package | 208-BFQFP (fine-pitch PQFP, 0.5 mm pitch) | 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 | 48,000 | 48,000 | 48,000 | 48,000 | 48,000 |
| Speed Grade | -1 | -1 | -1 | -2 (faster) | Standard (slower) |
| User I/O | 174 | 174 | 174 | 174 | 174 |
| Supply Voltage | 3.3 V nominal (3.0-3.6 V), 5V-tolerant I/O | 3.3 V nominal, 5V-tolerant I/O | 3.3 V nominal, 5V-tolerant I/O | 3.3 V nominal, 5V-tolerant I/O | 3.3 V nominal, 5V-tolerant I/O |
| Temperature Grade | M-variant [DATA_NEEDED: exact range] | Industrial | Commercial | Industrial | Commercial |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
Key Differentiators
- Faster -1 speed grade at same cost class (vs A54SX32-PQG208M)
- Wider-temperature drop-in option available (vs A54SX32-1PQG208I)
- Lower cost than faster -2 grades when margin allows (vs A54SX32-2PQG208I)
- Non-volatile antifuse vs SRAM competitors (vs Xilinx/Altera SRAM FPGAs)
Design Notes
The A54SX32-1PQG208M runs from a nominal 3.3V core supply (3.0-3.6V range) with 5V-tolerant I/O support. Provide a low-impedance 3.3V rail with bulk (10-47 uF) plus per-bank 0.1 uF ceramic decoupling close to the 208-BFQFP power pins. Antifuse FPGAs have no inrush configuration current like SRAM devices, so power-up is clean, but check simultaneous-switching output (SSO) current when driving many of the 174 I/O at once; group high-activity outputs across I/O banks to limit ground bounce.
This is a one-time-programmable antifuse device: there is no rework path after programming. Complete full functional simulation and static timing analysis in Microchip Designer before committing a programming file, and reserve prototype parts. If you expect design iterations, use a larger SX die (or an SRAM/flash family) for bring-up and program the A54SX32 only for production. Also confirm your Designer toolchain version still supports SX devices, as legacy family software support can be restricted.
Estimated: thermal performance of the 208-pin fine-pitch PQFP depends on airflow and board copper, per the SX-A family datasheet thermal section. A 3.3V antifuse FPGA at moderate utilization typically dissipates well under 1W, so a solid ground plane plus 2 oz copper under the package is usually sufficient; verify with Microchip's package theta-JA data in the datasheet for your specific airflow condition before finalizing an enclosed-system design.
Compliance Information
Compliance status not stated in the provided verified web data; confirm with Microchip product pages or distributor compliance documentation before export-controlled or green-program use.
