A54SX32-TQ144 - 32K Gate SX FPGA 113 I/O TQFP-144 | Microchip
MPN: A54SX32-TQ144 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $242.25 | $242.25 |
| 10 | $235 | $2,350.00 |
| 100 | $228 | $22,800.00 |
| 500 | $220 | $110,000.00 |
| 1,000 | $212 | $212,000.00 |
Drop-in alternatives for A54SX32-TQ144 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
A54SX32-TQ144I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32-TQG144I
✅ Drop-In✓ In Stock
$32.3 / Unit
View Datasheet →A54SX32-TQG144
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$1387.71 / Unit
View Datasheet →A54SX32-1TQG144
✅ Drop-In✓ In Stock
$48.1 / Unit
View Datasheet →A54SX32-2TQG144I
✅ Drop-In✓ In Stock
$45.6 / Unit
View Datasheet →A54SX32-1TQG144I
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Contact for price
View Datasheet →A54SX32A-TQ144I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32A-TQG144A
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32-TQ144 Maximum Ratings & Electrical Characteristics
| Family | Actel SX |
| System Gates | 32000 gates |
| User I/O | 113 |
| Architecture | Sea-of-modules, antifuse (one-time programmable) |
| Package | 144-LQFP (TQFP-144) |
| Mounting Type | Surface Mount |
| Programming Type | In-system electrically programmable, OTP antifuse |
| Configuration | Non-volatile, no external configuration device required |
| Manufacturer Lifecycle Lineage | Actel -> Microsemi -> Microchip Technology |
A54SX32-TQ144 144-lqfp (tqfp-144) Pin Configuration Guide
Complete pinout information for A54SX32-TQ144 (144-lqfp (tqfp-144) 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-TQ144.
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-TQ144 is suitable for 6 applications: Industrial Control and Automation, Communications and Networking Glue Logic, Avionics and Defense Embedded Systems, ASIC Prototyping and Interface Translation, Test and Measurement Instrumentation, Security-Sensitive Industrial IoT Gateways.
Industrial Control and Automation
The A54SX32-TQ144 fits industrial control boards that need deterministic, instant-on logic between sensors, PLC backplanes, and actuators. Its 113 user I/Os provide enough pins for parallel status buses, encoder interfaces, and relay control banks, while the antifuse fabric configures in microseconds at power-up - critical in factory equipment where a CPU boot delay cannot precede safety interlock logic. The sea-of-modules architecture gives predictable pin-to-pin timing, so sequencing across the 144-pin TQFP behaves identically unit to unit. Place it between a microcontroller and field-side drivers; the OTP fabric adds no configuration flash to the BOM and cannot be corrupted by brown-out events, improving uptime. Trade-off: any logic fix requires a new device, so stock spare programmed units.
Recommended
Communications and Networking Glue Logic
In telecom line cards and networking backplanes, the A54SX32-TQ144 bridges legacy parallel interfaces to processors and manages board-level control registers. The SX family's ASIC-like timing predictability suits fixed protocol adapters where SRAM-FPGA configuration time on a hot-swappable card is unacceptable - the antifuse fabric is active before the backplane enumeration completes. With 113 user I/Os in TQFP-144, a single device absorbs address decoders, interrupt controllers, and status multiplexers that would otherwise consume several PAL/CPLD devices, cutting board cost. The architecture supports performance-intensive data paths per the manufacturer's positioning of the SX line. Consider the -2 speed grade (A54SX32-2TQG144I) if your interface exceeds standard-grade AC timing budgets.
Recommended
Avionics and Defense Embedded Systems
Defense and avionics subsystems value the A54SX32-TQ144 for design security and configuration immutability: antifuse programming cannot be read back or overwritten, protecting proprietary IP in fielded hardware, and there is no external boot flash to corrupt under vibration or radiation-induced transient conditions. The 32K gate count comfortably hosts MIL-STD-1553-style protocol wrappers, discrete I/O conditioning, and voter logic in legacy boards. The 144-pin TQFP survives typical embedded aerospace assembly flows, and Microchip maintains the mature-product supply chain for sustaining programs. For new radiation-tolerant designs, move up to the related RTAX family (e.g., RTAX2000S devices) which extends the Actel architecture with rad-hard qualification; the SX32 remains ideal for non-rad program upgrades and test equipment.
Recommended
ASIC Prototyping and Interface Translation
The A54SX32-TQ144 serves as a physical translation vehicle when porting legacy ASIC or gate-array netlists: Actel's Designer software maps gate-level designs onto the sea-of-modules fabric with timing behavior close to the original ASIC, and the 32K-gate capacity covers many mid-1990s-era glue ASICs. Because the device is OTP, prototype boards can be programmed once per iteration, which also makes pilot builds behave exactly like the intended production configuration. The 113 available I/Os accommodate wide parallel buses common in legacy ASIC pinouts, and the TQFP-144 footprint simplifies adapter boards. Budget the antifuse die cost against single-mask NRE: for volumes under a few thousand units, the SX32 is typically cheaper than a custom ASIC respin.
Recommended
Test and Measurement Instrumentation
Bench instruments and automatic test equipment use the A54SX32-TQ144 for timing generators, pattern multiplexers, and fixture control logic where deterministic startup is required the moment the instrument powers on. The antifuse fabric's zero configuration time means no measurement dead-time at boot, and its permanent programming guarantees the test stimulus logic cannot drift between calibrations - an advantage over SRAM FPGAs in metrology environments. The 32K gates host counters, comparators, and trigger state machines, while 113 I/Os connect directly to fixture headers. The sea-of-modules routing yields low, stable skews across the clock distribution, important for coherent multi-channel sampling. For temperature-stable lab conditions the commercial grade suffices; industrial fixtures should specify the TQ144I variant.
Recommended
Security-Sensitive Industrial IoT Gateways
Industrial IoT gateways increasingly require logic whose function cannot be cloned or inspected: the A54SX32-TQ144's antifuse interconnect is non-readable, so proprietary interface logic such as custom sensor protocols or anti-tamper counters resists reverse engineering without additional encryption silicon. Instant-on operation lets the gateway enforce access policy before the host processor boots, and the absence of external configuration flash removes a common attack surface. The TQFP-144 hand-solderable package suits low-mix gateway hardware, and the static CMOS fabric keeps standby power low for always-on nodes. Note the OTP trade-off: firmware-defined logic is frozen, so put rapidly evolving protocol stacks in the host processor and keep only stable, security-critical glue logic in the FPGA fabric.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32-TQ144 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32-TQ144I | A54SX32-TQG144I | A54SX32-2TQG144I | A54SX32A-TQ144I | A54SX32A-TQG144A |
|---|---|---|---|---|---|---|
| Package | TQFP-144 (LQFP-144) | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same |
| Brand | Microchip Technology (Actel lineage) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology (Microsemi) |
| System Gates | 32000 gates | 32000 gates | 32000 gates | 32000 gates | 32000 gates (SX-A) | 32000 gates (SX-A) |
| User I/O | 113 | 113 | 113 | 113 | 113 | 113 |
| Process Technology | [DATA_NEEDED] | Same as this product | Same as this product | Same as this product | 0.25 um | 0.25 um |
| Max Performance | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | Higher (speed grade -2) | 238 MHz | 238 MHz |
| Temperature Range | Commercial (per ordering code) | Industrial | Industrial, green | Industrial, green | Industrial | Green (range per suffix A) |
| Unit Price (qty 1) | $242.25 as of 2026-09-03 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Design Migration Effort | Baseline | None - drop-in | None - drop-in | Recompile for speed grade | Recompile (SX-A family) | Recompile (SX-A family) |
Key Differentiators
- Instant-on antifuse configuration with zero boot delay (vs A54SX32A-TQ144I)
- Design security via non-readable configuration (vs A54SX32-2TQG144I)
- Lower cost per gate for legacy-density designs (vs A54SX32A-TQG144A)
- Single-chip integration removes configuration BOM (vs A54SX32-TQ144I)
Design Notes
The SX family is one-time programmable (OTP): a programmed A54SX32-TQ144 can never be erased or reused. Always complete full functional simulation and static timing sign-off in Actel/Microchip Designer software before programming production devices, and program prototype iterations on cheap engineering-grade or spare devices. Confirm the ordering code (commercial TQ144 vs industrial TQ144I vs green TQG144) matches your environmental requirements before placing BOM orders - the suffixes are not interchangeable in quality-controlled builds.
The TQFP-144 has 0.5 mm pin pitch with leads on four sides; use the manufacturer-recommended 144-LQFP land pattern and inspect solder joints with X-ray or angled microscopy on all four edges, since QFP corner pins are the most common defect location. Follow the SX family datasheet power distribution guidance: place decoupling capacitors (e.g., 0.1 uF ceramic per supply pair plus bulk capacitance) close to the package's VCC/GND pins. Because the FPGA acts as glue logic across many signal domains, allocate a solid ground plane and avoid routing fast buses under the package center.
Estimate: with a static CMOS antifuse fabric, current draw is dominated by dynamic switching (P ~ C*V^2*f) rather than quiescent leakage, so total power scales with your clock rate and toggle activity from Designer's power analysis. Verify the exact supply voltage and current figures in the a54sx_ds.pdf datasheet for your speed grade before sizing the regulator, since SX-family supply values were not included in the verified web data for this page. Add margin for I/O switching with 113 outputs loaded.
With 113 user I/Os in a 0.5 mm-pitch TQFP, simultaneous switching output (SSO) noise is the main signal-integrity risk. Group high-toggle-count outputs away from the package ground return pins, and limit the number of outputs switching in the same 1 ns window per ground pin pair per manufacturer SSIO guidance in the SX datasheet. Use series termination (22-33 ohm) on fast single-ended lines leaving the board region, and keep stub lengths short on TQFP escape traces to preserve edge rates.
Compliance Information
Compliance data not present in verified web data for this MPN. The TQG (green) suffix variants in the same family indicate RoHS/green packaging options; confirm exact compliance status for the specific ordering code on Microchip's product page before use in regulated markets.
