A54SX32A-1TQG144M - 48K-Gate SX-A FPGA, 113 I/O | Microchip
MPN: A54SX32A-1TQG144M ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1050 | $1,050.00 |
| 10 | $1020 | $10,200.00 |
| 100 | $995 | $99,500.00 |
| 500 | $985 | $492,500.00 |
| 1,000 | $978 | $978,000.00 |
Drop-in alternatives for A54SX32A-1TQG144M — 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:
A54SX32A-1TQG144
✅ Drop-In✓ In Stock
$45.2 / Unit
View Datasheet →A54SX32A-1TQG144I
✅ Drop-In✓ In Stock
$28.8 / Unit
View Datasheet →A54SX32A-2TQG144I
✅ Drop-In📋 Reference alternative (not in catalog)
A54SX32A-TQG144IX53
✅ Drop-In✓ In Stock
$302 / Unit
View Datasheet →A54SX16A-1TQG144M
✅ Drop-In✓ In Stock
$45.6 / Unit
View Datasheet →A54SX32A-1TQG144M Maximum Ratings & Electrical Characteristics
| Family | SX-A |
| Gate Count | 32K gates (48K system gates) |
| Logic Cells / Modules | 1800 cells |
| Maximum Toggle Frequency | 278 MHz |
| Process Technology | 0.25 um |
| Core Supply Voltage | 2.5 V |
| Number of User I/Os | 113 |
| Package | 144-pin TQFP |
| Speed Grade | -1 |
| Mounting Type | Surface Mount |
| Programmable Type | One-Time Programmable (antifuse) |
| Packaging | Tray |
| Lead Free | Yes |
| RoHS Status | Compliant |
| Category | Integrated Circuits (ICs) - Embedded - FPGA |
| Architecture | Sea-of-modules |
A54SX32A-1TQG144M 144-pin tqfp Pin Configuration Guide
Complete pinout information for A54SX32A-1TQG144M (144-pin tqfp 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-1TQG144M.
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-1TQG144M is suitable for 6 applications: Industrial Control and Automation, Aerospace and Defense Heritage Boards, Communications and Bus Bridging, Secure System Logic, Obsolete System Lifecycle Extension, Test and Measurement Instrumentation.
Industrial Control and Automation
The A54SX32A-1TQG144M fits industrial control because its 32K gates and 113 user I/Os consolidate PLC glue logic, encoder interfaces, and parallel bus bridges into one 144-TQFP device running from a low-power 2.5V core. The antifuse fabric is immune to configuration corruption from electrical noise, an advantage over SRAM FPGAs in electrically harsh factory environments. Implementing state machines and interface translation at up to 278 MHz toggle capability, the device removes configuration boot time so control logic is active within nanoseconds of power application. Designers should verify the temperature suffix of the ordering code for cabinet environments exceeding commercial ranges, and budget I/O banking rules during pin planning since not all 113 I/Os are interchangeable across banks.
Recommended
Aerospace and Defense Heritage Boards
Antifuse FPGAs like the A54SX32A-1TQG144M have long served defense and aerospace heritage platforms where one-time-programmable configuration eliminates bitstream theft and single-event configuration upset. The 48K system gates accommodate bus interfaces, telemetry framing, and voting logic, while instant-on operation suits systems with strict power-up requirements. Because many qualified programs are locked to the SX-A architecture, lifecycle replacement uses the same 144-TQFP footprint rather than a redesign. Engineers extending legacy boards should confirm lot traceability and date codes with the distributor, run the design through current Microchip Designer tool versions to regenerate programming files, and validate I/O standards against the SX-A datasheet electrical tables before programming flight or field spares.
Recommended
Communications and Bus Bridging
The A54SX32A-1TQG144M bridges legacy parallel buses and communications backplanes using its 113 configurable I/Os and -1 speed grade toggle capability of 278 MHz. The sea-of-modules architecture efficiently maps register-rich datapaths for protocol conversion between formats such as parallel FIFO interfaces, address/data buses, and board-level control signals. The 2.5V core supply limits dynamic power in always-on networking equipment, and the antifuse fabric adds no configuration latency on link re-establishment. Design considerations include the 0.25 um process I/O voltage compatibility with legacy TTL/CMOS signaling levels, which suits older backplane standards; verify drive strength and slew settings in Microchip Designer against the datasheet I/O tables to guarantee signal-integrity margins on backplane traces.
Recommended
Secure System Logic
Designs requiring configuration security choose the A54SX32A-1TQG144M because antifuse programming leaves no readable bitstream: unlike SRAM FPGAs that load configuration from external flash at every boot, the programmed antifuses physically define the logic and cannot be dumped or cloned. This makes the device appropriate for copy-protected products, key-management peripherals, and tamper-relevant logic where the design itself is intellectual property. With 32K gates and instant-on behavior, security-critical functions are active before any processor completes reset. Trade-offs are permanence - a programming error scraps the device - and fixed logic after deployment, so teams should freeze RTL, complete timing sign-off at the -1 speed grade, and program a qualification sample before committing production trays.
Recommended
Obsolete System Lifecycle Extension
The A54SX32A-1TQG144M extends the life of systems originally built around Actel SX and SX-A FPGAs, including the A54SX32 (TQ144/BG329 packages) generation. Because the SX-A die shares the architecture and, in matching packages, the pinout of its predecessors, boards designed decades ago can be repopulated with lead-free A54SX32A devices without PCB respin. The 1800-cell fabric reproduces original glue-logic designs when the archived design files are re-run through current Microchip Designer tooling. Procurement teams should cross-check legacy part numbers (e.g., A54SX32-TQ144M) against the SX-A ordering codes, verify speed-grade timing margins in the older system, and stock spares given the mature status of this product line.
Recommended
Test and Measurement Instrumentation
Bench instruments and ATE modules use the A54SX32A-1TQG144M for trigger logic, counters, timing generators, and interface adaptation between measurement front ends and processing boards. The 278 MHz toggle capability supports fine timing resolution in counter and delay-line functions, while 113 I/Os connect to sampling logic, relays, and status buses. Instant-on antifuse configuration lets the instrument pass self-test immediately at power-up, and deterministic timing - free of SRAM configuration jitter - benefits measurement repeatability. Layout guidance: keep the 2.5V core supply well decoupled, route high-fanout clock nets to the dedicated clock resources identified in the SX-A datasheet, and confirm the -1 speed grade timing model covers your fastest measurement clock before freezing the design.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-1TQG144M — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-1TQG144 | A54SX32A-1TQG144I | A54SX32A-2TQG144I | A54SX32A-TQG144I | A54SX16A-1TQG144M |
|---|---|---|---|---|---|---|
| Package | 144-TQFP | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Gate Count | 32K gates (48K system gates) | 32K gates (48K system gates) | 32K gates (48K system gates) | 32K gates (48K system gates) | 32K gates (48K system gates) | 16K gates (-50%) |
| Logic Cells | 1800 cells | 1800 cells | 1800 cells | 1800 cells | 1800 cells | [DATA_NEEDED] |
| Speed Grade | -1 | -1 | -1 | -2 (faster) | Standard (different) | -1 |
| User I/Os | 113 | 113 | 113 | 113 | 113 | 113 |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Maximum Toggle Frequency | 278 MHz | 278 MHz | 278 MHz | [DATA_NEEDED] (higher than -1) | [DATA_NEEDED] | [DATA_NEEDED] |
| Lead Free / RoHS | Yes (M suffix) | Standard ordering code | Industrial grade | Industrial grade | Industrial grade | Yes (M suffix) |
Key Differentiators
- Full 32K-gate capacity at the same 144-TQFP footprint (vs A54SX16A-1TQG144M)
- RoHS-compliant lead-free construction (vs A54SX32A-1TQG144)
- Balanced speed grade for cost-optimized designs (vs A54SX32A-2TQG144I)
Design Notes
The A54SX32A-1TQG144M is one-time programmable antifuse silicon: a programming error permanently consumes the device. Freeze RTL, complete static and post-layout timing sign-off with the -1 speed grade models, and program a qualification sample before committing production trays. Also confirm that the M suffix (lead-free/RoHS) matches your assembly process and regulatory requirements, since non-M and I-suffix ordering codes differ in lead finish and temperature grade.
Supply a clean 2.5V core rail with local decoupling (e.g., multiple 0.1uF ceramics plus bulk capacitance per the SX-A datasheet power guidelines). Dynamic power scales with toggle frequency, so at the 278 MHz ceiling the core current is at its maximum - use Microchip Designer power estimation with your actual net toggling rates rather than worst-case frequency for supply sizing. I/O bank voltages must match the signaling standards assigned in Designer; mixing standards across banks incorrectly is a common cause of I/O failures.
The 144-TQFP (0.5 mm pitch) leaves the JTAG programming pins accessible for one-time programming after reflow - route a programming header to the JTAG pins even on production boards for in-circuit programming and boundary-scan test. Keep 113 user I/O assignments within the datasheet banking rules; do not assume any pin can take any standard. For the mature 0.25 um process, follow the datasheet trace-length and ground-返回 guidance for fast clock nets to preserve signal integrity.
Compliance Information
M suffix = lead free / RoHS compliant per distributor listings (xsourcepart, PCB Electronics, Kynix). REACH, halogen-free, and conflict-minerals declarations not stated in provided data - obtain from Microchip product page.
