A54SX32A-TQG144A - 48K Gate SX-A FPGA 144-TQFP | Microchip
MPN: A54SX32A-TQG144A ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $118 | $118.00 |
| 10 | $106.2 | $1,062.00 |
| 100 | $94.4 | $9,440.00 |
| 500 | $82.6 | $41,300.00 |
| 1,000 | $72 | $72,000.00 |
Drop-in alternatives for A54SX32A-TQG144A — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX32A-TQG144IX53
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View Datasheet →A54SX32A-TQG144A Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| System Gates | 48000 |
| Logic Gates (raw) | 32000 |
| Logic Cells (Modules) | 1800 |
| Number of I/O | 113 |
| Maximum System Frequency | 238 MHz |
| Process Technology | 0.25 um |
| Supply Voltage | 2.5 V |
| Program Technology | Antifuse (one-time programmable) |
| Operating Temperature | Automotive grade range |
| Package | 144-TQFP |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| RoHS Status | RoHS Compliant |
| Lead Free Status | Lead Free |
A54SX32A-TQG144A 144-tqfp Pin Configuration Guide
Complete pinout information for A54SX32A-TQG144A (144-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-TQG144A.
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-TQG144A is suitable for 6 applications: Automotive Electronic Control Units, Industrial Control and Factory Automation, Defense and Avionics Secure Logic, Legacy Processor Bridge and Glue Logic, Test and Measurement Instrument Backplane, Networking and Communications Line Cards.
Automotive Electronic Control Units
The A54SX32A-TQG144A's automotive-grade suffix makes it a fit for ECU subsystem logic such as powertrain ancillary control, body-electronics sequencing, and sensor aggregation. Its 113 user I/O absorb multiple CAN transceiver-side interfaces, discrete sensor inputs, and actuator drive signals in one 144-TQFP device, replacing scattered 74-series glue logic. The 2.5V core with 0.25 um antifuse fabric dissipates little static power, easing thermal budgets in sealed modules. Because the configuration is one-time programmed, logic is active immediately at key-on with no configuration boot delay - valuable for functional-safety paths requiring deterministic startup. Designers should derate timing for the full automotive temperature range rather than relying on commercial-grade AC numbers.
Recommended
Industrial Control and Factory Automation
In PLC I/O scanning cards, motor-control supervisory logic, and machine-safety interlocks, the A54SX32A-TQG144A provides 1800 logic cells and 113 I/O for address decoding, status aggregation, and fast state machines toggling up to 238 MHz. Antifuse permanence means the control logic survives power cycles and brownouts identically every time, with no configuration device to fail in dusty, high-vibration environments. The 2.5V supply keeps on-card power simple when derived from a 3.3V rail via an LDO. Its 144-TQFP is hand-reviewable and reworkable on standard SMT lines. Reserve the A54SX72A family for designs whose netlists exceed roughly 80 percent utilization of the 32K-gate fabric, where routing congestion would hurt timing closure.
Recommended
Defense and Avionics Secure Logic
Antifuse FPGAs remain a mainstay in defense and avionics because the programmed interconnect cannot be read back, cloned, or corrupted by single-bit configuration upsets - there is no configuration bitstream in external memory to attack. The A54SX32A-TQG144A supplies 48K system gates for protocol bridges, bus-interface glue, and crypto-peripheral supporting logic, with deterministic instant-on behavior required in power-critical flight hardware. The M-screened variants in the same footprint support higher assurance flows. At 238 MHz maximum toggle performance, the device covers MIL-STD-1553 support logic and parallel bus interfacing comfortably. Layout practice: dedicate solid ground planes under the TQFP and series-terminate long board-level buses to control reflections at high toggle rates.
Recommended
Legacy Processor Bridge and Glue Logic
A common modern use of the SX-A family is bridging legacy 16/32-bit buses (68k-family, PowerPC, or custom ASIC interfaces) to contemporary peripherals. The A54SX32A-TQG144A's 113 I/O support full address/data buses with chip-selects, and 1800 cells implement bus arbiters, wait-state generators, byte-lane steering, and interrupt controllers. Antifuse routing's low, predictable net capacitance keeps bus timing consistent, simplifying static timing analysis against legacy setup/hold budgets. The instant-on fabric means the bridge is live before the processors complete reset, eliminating boot-order hazards. At 2.5V core with 3.3V-tolerant board ecosystems, verify I/O bank compatibility against the SX-A datasheet I/O electrical tables before sharing rails.
Recommended
Test and Measurement Instrument Backplane
Instrument backplanes and trigger-distribution logic benefit from the A54SX32A-TQG144A's 238 MHz toggle capability and 113 I/O for slot-sensing, trigger fanout, and chassis management. The deterministic antifuse fabric delivers identical propagation delay from unit to unit - important when calibrating multi-slot timing instruments - and instant-on operation means the backplane controller is functional before host enumeration completes. The 144-TQFP's exposed quad-flat leads present manageable impedance for 50-ohm backplane stubs when series termination is applied. Designers should budget the 2.5V core rail at the datasheet ICC figures plus I/O switching current and add bulk capacitance at the card edge to absorb simultaneous-switching events across many outputs.
Recommended
Networking and Communications Line Cards
On telecom line cards, the A54SX32A-TQG144A handles framing glue, LED/alarm aggregation, and slow-speed supervision between PHY devices and backplane fabric interfaces. Its 113 I/O accommodate parallel PHY management buses, hot-swap control signals, and shelf-alarm fanouts, while 1800 cells implement counters, comparators, and sequencers at up to 238 MHz - far above line-card supervision needs, leaving generous margin. The antifuse configuration eliminates the configuration-flash read vulnerability relevant in carrier equipment hardening guidelines, and instant-on logic supports fault monitoring during power-up. The 2.5V supply integrates with common card power trees via a small LDO; place 0.1 uF ceramic decoupling at every supply pin pair per Microchip layout guidance.
Recommended
Recommended Products Summary
Engineering reference data for A54SX32A-TQG144A — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX32A-TQG144I | A54SX32A-2TQG144I | A54SX32A-1TQG144I | A54SX32A-TQG144 | A54SX32-TQG144I |
|---|---|---|---|---|---|---|
| Package | 144-TQFP | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48K (32K raw) | 48K (32K raw) | 48K (32K raw) | 48K (32K raw) | 48K (32K raw) | 32K (SX generation) |
| User I/O | 113 | 113 | 113 | 113 | 113 | 113 |
| Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 3.3 V (SX generation) - verify board rail |
| Max Frequency | 238 MHz | 238 MHz | Higher (speed grade -2) | Lower (speed grade -1) | 238 MHz | [DATA_NEEDED: SX max frequency] |
| Temperature Grade | Automotive (A) | Industrial (I) | Industrial (I) | Industrial (I) | Commercial | Industrial (I) |
| RoHS / Lead Free | RoHS Compliant, Lead Free | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | [DATA_NEEDED] |
Key Differentiators
- Automotive-grade qualification (vs A54SX32A-TQG144I)
- 2.5V SX-A generation performance (vs A54SX32-TQG144I)
- Speed-grade flexibility within one footprint (vs A54SX32A-1TQG144I)
- Honest trade-off: no in-field reprogrammability (vs SRAM-based FPGAs)
Design Notes
The A54SX32A-TQG144A runs from a single 2.5V rail. Derive it from a 3.3V system rail using an LDO or buck rated for the datasheet ICC plus I/O switching current, which is dominated by the 113 outputs' simultaneous switching. Place 0.1 uF ceramic capacitors at every VDD/GND pin pair plus at least 10 uF of bulk per side of the package. Because the antifuse fabric is live at power-up, ensure the 2.5V rail ramps monotonically and settles before board-level logic expects valid outputs - add a supervisor reset downstream if the system requires delayed enable.
Antifuse FPGAs are one-time programmable: a bad fuse file cannot be erased, so never commit your first silicon directly from an unverified netlist. Prototype timing on a larger SX-A device or exhaustively verify place-and-route timing reports in Libero before programming. Also confirm speed-grade and temperature-grade suffixes at purchase - the -A (automotive), -I (industrial), and commercial grades share the same pinout but carry different qualification, and mixing grades in one production run complicates traceability.
The 144-TQFP has 0.5 mm pitch leads - specify a solder-mask-defined land pattern per the Microchip SX-A datasheet package section and inspect with 2D/3D AOI to catch bridging on the fine pitch. For high-frequency outputs (approaching the 238 MHz family limit), series-terminate with 22-33 ohm resistors close to the driving pin and keep stub lengths short. Reserve at least one spare I/O routed to a test pad for boundary-scan or debug access, since one-time-programmable devices cannot be reconfigured to expose diagnostics later.
Compliance Information
Distributor data (digichip) explicitly lists RoHS Compliant and Lead Free for A54SX32A-TQG144A. REACH, halogen-free, and conflict-minerals status not stated in verified data. 'Automotive' in Jotrin/FPGAkey descriptions refers to the -A grade ordering suffix; formal AEC-Q100 qualification documentation must be confirmed with Microchip.
