A54SX32A-1TQG144 - 48K Gate SX-A FPGA 278MHz TQFP-144 | Microchip
MPN: A54SX32A-1TQG144 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $68.5 | $68.50 |
| 10 | $62.3 | $623.00 |
| 100 | $55.8 | $5,580.00 |
| 500 | $50.1 | $25,050.00 |
| 1,000 | $45.2 | $45,200.00 |
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View Datasheet →A54SX32A-1TQG144 Maximum Ratings & Electrical Characteristics
| Family | SX-A (Actel/Microsemi antifuse FPGA) |
| System Gates | 48000 |
| Logic Cells | 2880 |
| CLBs / Logic Modules | 2880 |
| Maximum System Frequency | 278 MHz |
| Number of User I/Os | 113 |
| Core Supply Voltage | 2.5 V |
| Process Technology | 0.25 um CMOS |
| Programming Technology | Antifuse (one-time programmable) |
| Speed Grade | -1 |
| Package | TQFP-144 (TQG144) |
| Package Height | 1.4 mm |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Packaging | Tray |
A54SX32A-1TQG144 1.4 mm Pin Configuration Guide
Complete pinout information for A54SX32A-1TQG144 (1.4 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 A54SX32A-1TQG144.
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-1TQG144 is suitable for 6 applications: Industrial Control and Automation Glue Logic, Communication and Bus Bridging, ASIC Prototyping and Low-Volume ASIC Replacement, Avionics and High-Reliability Systems, Test and Measurement Instrument Logic, Secure and Tamper-Resistant Embedded Systems.
Industrial Control and Automation Glue Logic
The A54SX32A-1TQG144 consolidates address decoders, bus arbiters, interrupt controllers, and state machines that would otherwise require multiple 74-series devices. Its 2880 logic cells and 278 MHz timing capability provide ample headroom for deterministic industrial control sequences, while the antifuse OTP configuration survives power glitches and is immune to configuration corruption - a common failure mode of SRAM FPGAs in electrically noisy factory environments. The 113 user I/Os interface 3.3V/2.5V logic directly on the TQFP-144 footprint. The one-time-programmed bitstream also serves as a tamper deterrent on deployed control hardware. Designers typically prototype on the standard grade and production-qualify the -1 grade for timing margin.
Recommended
Communication and Bus Bridging
With a 278 MHz maximum system frequency and segmented antifuse routing, the A54SX32A-1TQG144 implements protocol bridges between legacy buses (PCI local segments, VME-style backplanes, parallel peripheral buses) and newer interfaces. The SX-A architecture provides deterministic interconnect delays similar to a masked gate array, simplifying timing closure for bridging pipelines where jitter and latency predictability matter more than raw density. The 2.5V core with mixed I/O support allows direct connection to common 3.3V bus transceivers. The one-time-programmable nature means a bridged system boots instantly with zero configuration load time, unlike SRAM FPGAs that require hundreds of milliseconds of bitstream loading at power-up.
Recommended
ASIC Prototyping and Low-Volume ASIC Replacement
The SX-A family was architected as an ASIC-like sea-of-modules fabric, making the A54SX32A-1TQG144 a natural drop for low-volume ASIC replacements and gate-array porting. Its 48K system gates accommodate moderate RTL designs, and interconnect delays comparable to a gate array allow porting timing-verified netlists with minimal redesign. The one-time antifuse programming replicates ASIC behavior - no configuration controller, no boot ROM, no reconfiguration risk - while avoiding mask charges and minimum-order quantities. For prototyping, engineers verify design changes on interchangeable devices in the same TQFP-144 socket across speed grades before committing production units.
Recommended
Avionics and High-Reliability Systems
Antifuse FPGAs are a staple of aerospace and defense designs because the programmed configuration cannot be read back or upset by single-event effects in the same way as SRAM cells. The A54SX32A-1TQG144 and its screened variants (A54SX32A-1TQG144M) serve in telemetry formatting, sensor interface consolidation, and redundancy-management logic. The 2.5V core consumes low static power - important for power-constrained avionics - and the permanent configuration eliminates configuration-memory attack surfaces in secure platforms. Designers pair the device with rad-tolerant power supervision, and the 278 MHz grade provides timing margin over the standard 238 MHz part for critical-path protection.
Recommended
Test and Measurement Instrument Logic
In bench and automated test equipment, the A54SX32A-1TQG144 implements timing generators, trigger state machines, and pattern sequencers. The deterministic antifuse routing yields channel-to-channel timing skew behavior that is stable unit-to-unit - valuable for calibrated instruments - and the 278 MHz -1 speed grade supports sub-10 ns trigger latency paths. The 113 user I/Os connect to level-shifting front ends and measurement back ends, while instant-on OTP configuration means the instrument is operational the moment power settles, with no configuration controller firmware dependency. Cost-sensitive volume production also benefits from the low per-unit pricing of this mature Microchip product line.
Recommended
Secure and Tamper-Resistant Embedded Systems
Where design IP protection matters, the A54SX32A-1TQG144 offers a structural advantage: once programmed, the antifuse configuration is physically permanent and cannot be read out through any configuration interface. This makes it suitable for copy-protection logic, secure boot companions, and key-handling glue logic in payment, licensing, and industrial-security equipment. The 48K-gate capacity holds authentication engines and obfuscated state machines, while the 278 MHz performance keeps security routines off the critical path. Combined with the 2.5V low-power core and standard TQFP-144 assembly flow, it delivers hardware security without custom silicon costs.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-1TQG144 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-TQG144 | A54SX32A-1TQG144I | A54SX32-TQ144 |
|---|---|---|---|---|
| Package | TQFP-144 | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48000 | 48000 | 48000 | 32000 (previous generation) |
| Max System Frequency | 278 MHz | 238 MHz | 278 MHz | [DATA_NEEDED] |
| Logic Cells | 2880 | 2880 | 2880 | 1800 |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Temperature Grade | Commercial | Commercial | Industrial | Commercial |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
| RoHS Status | Compliant | Compliant | Compliant | [DATA_NEEDED] |
Key Differentiators
- Fastest commercial speed grade in the SX32A lineup (vs A54SX32A-TQG144)
- Instant-on OTP antifuse configuration (vs SRAM FPGAs)
- Low-power 0.25um 2.5V core (vs A54SX32-TQ144)
- Trade-off: no reprogrammability (vs SRAM FPGAs)
Design Notes
Power the A54SX32A-1TQG144 from a clean 2.5V rail. Estimated guidance: with a 3.3V system supply, an LDO stepping 3.3V to 2.5V dissipates (3.3 - 2.5) V x I_core; at an assumed 100 mA core current that is only 80 mW, but verify against your actual utilization using Microchip's power calculator in Libero. Decouple every VCC pin with 0.1uF ceramic capacitors placed within 2 mm of the pin, plus at least one 10uF bulk capacitor per supply domain. Verify I/O bank voltage assignments against external interfaces before layout sign-off.
The SX-A family is one-time programmable - there is no rework path after programming. Complete RTL simulation, place-and-route timing analysis, and a full programming-file review in Microchip Libero/Designer before committing devices. Lock speed-grade libraries correctly: designing against the -1 (278 MHz) library and manufacturing with the standard A54SX32A-TQG144 (238 MHz) will fail timing in the field. Also order sufficient prototype devices, since each design iteration consumes a new part.
The TQFP-144 has 0.5 mm pitch leads requiring solder-mask-defined or NSMD pads per IPC guidance for fine-pitch QFP assembly; use a 20x20 mm footprint with pull-back traces for inspection access. Keep clock routing on inner layers with ground planes above and below to control the 278 MHz-class edges. The 1.4 mm package height and exposed corners allow straightforward AOI. Avoid routing high-speed signals between adjacent VCC/GND pin pairs without local decoupling, and provide at least two thermal vias near the die center for heat spreading in convection-cooled enclosures.
Antifuse routing gives deterministic delays, but output edge rates on 113 user I/Os can still drive reflections on long traces. Estimated guidance: keep single-ended loads unterminated only below roughly 50 mm of trace; for longer runs use series 22-33 ohm source termination at the FPGA pin. Group related outputs together to bound simultaneous-switching noise, and confirm ground-bounce performance by simulating worst-case 8-to-0 output switching patterns with IBIS models from the Microchip support portal.
Compliance Information
FindIC specification data lists 'ROHS COMPLIANT' for the A54SX32A-1TQG144; distributor data (PCB Electronics) states LEAD FREE. REACH, halogen-free, and conflict-minerals status not stated in provided data.
