A54SX72A-FGG484I - 108K-Gate SX-A FPGA 484-BGA | Microchip
MPN: A54SX72A-FGG484I ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $165 | $165.00 |
| 10 | $152 | $1,520.00 |
| 100 | $138.5 | $13,850.00 |
| 500 | $126 | $63,000.00 |
| 1,000 | $115 | $115,000.00 |
Drop-in alternatives for A54SX72A-FGG484I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX72A-FGG484
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View Datasheet →A54SX72A-FGG484M
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View Datasheet →A54SX72A-2FGG484I
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View Datasheet →A54SX72A-FFGG484
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View Datasheet →A54SX72A-FGG484I
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$115 / Unit
View Datasheet →A54SX72A-FGG484I Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| System Gates | 108000 gates |
| Logic Gates | 72 K gates |
| Logic Cells / CLBs | 6036 cells |
| User I/O | 360 |
| Maximum System Frequency | 217 MHz |
| Core Supply Voltage | 2.5 V |
| Process Technology | 0.25 um CMOS |
| Programming Technology | Antifuse (one-time programmable) |
| Package | 484-ball FBGA (FBGA-484), 1 mm pitch |
| Mounting Type | Surface Mount |
| Temperature Grade | Industrial (I suffix) |
| Operating Temperature | -40C to +85C |
| RoHS Status | Compliant / Lead Free |
| Packaging | Tray |
| Clock Network | CLKA, CLKB and quadrant clocks (QCLK) |
A54SX72A-FGG484I 484-ball fbga (fbga-484), 1 mm pitch Pin Configuration Guide
Complete pinout information for A54SX72A-FGG484I (484-ball fbga (fbga-484), 1 mm pitch package) with 48 pins. 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 A54SX72A-FGG484I.
Refer to the datasheet for full pin configuration.
Estimated pin count: 48 pins (digital package)
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
A54SX72A-FGG484I is suitable for 6 applications: Industrial Control and Automation, Avionics and Military Systems, Communications and Networking Equipment, Secure Single-Chip Logic Integration, Test and Measurement Instrumentation, Medical Equipment Control Logic.
Industrial Control and Automation
The A54SX72A-FGG484I integrates motor control sequencers, fieldbus interfaces, and safety interlock logic into one 108K-gate antifuse device, replacing multiple CPLDs and glue-logic ICs on a single low-cost chip. Its 360 user I/Os at 2.5V-tolerant banks interface directly with PLC backplanes, and the 217 MHz-class fabric handles fast encoder and PWM pipelines. Because the antifuse configuration is non-volatile, the FPGA is instantly active at power-up - critical for machinery that must not miss a startup sequence - and it draws near-zero static power versus SRAM FPGAs, reducing cabinet thermal load. Design it with decoupling on each VCCI domain and quadrant clocks (CLKA/CLKB/QCLK)分配 to isolate noisy I/O timing domains.
Recommended
Avionics and Military Systems
Antifuse FPGAs are the standard choice where configuration readback must be impossible: the A54SX72A-FGG484I stores design data in permanent antifuse switches, so reverse-engineering the bitstream is not an option - a decisive security advantage over SRAM FPGAs for defense and avionics payloads. The M-grade and FGG484A automotive-grade footprint siblings extend the same 484-ball die into hi-rel flows. With 108K system gates and low static power, it implements mil-std bus bridges, telemetry formatters, and voter logic while surviving power interruptions without reconfiguration. Program once at the depot; no configuration PROM on the board means one less failure point and faster power-on in flight-critical paths.
Recommended
Communications and Networking Equipment
Line-card glue logic, backplane arbitration, and framing functions fit comfortably in the 6036 logic cells of the A54SX72A-FGG484I, and 360 I/Os terminate wide parallel buses toward PHYs and framers. The quadrant clock network (CLKA, CLKB, QCLK) lets designers keep receive and transmit domains phase-clean, supporting the family's ~217 MHz internal operation for high-throughput packet paths. Because it is one-time programmable and configuration-free, telecom racks power up deterministically - no bitstream load time on the management Ethernet path. Its low static current also suits remote, fanless outside-plant equipment. Use the '-1' or '-2' industrial speed-grade drop-ins where timing closure at maximum clock rates is marginal.
Recommended
Secure Single-Chip Logic Integration
System designers use the A54SX72A-FGG484I to collapse boards of ASSPs, PALs, and discrete glue logic into one 484-ball device, cutting BOM cost and board area while raising reliability. SX-A devices were explicitly positioned by Microchip for 'system-wide savings by integrating multiple functions into a low cost, single-chip solution.' The antifuse fabric protects proprietary interfaces because no configuration file exists to steal, and the industrial -40C to +85C range covers unconditioned enclosures. With 108K gates there is headroom for bus bridges, FIFOs, interrupt controllers, and state machines simultaneously. Budget roughly 0.25 um-era gate equivalents: a 32-bit bus interface plus several peripherals fits with margin in 6036 cells.
Recommended
Test and Measurement Instrumentation
Bench and rack instruments benefit from the A54SX72A-FGG484I as a deterministic, instantly-on pattern generator, trigger matrix, and bus analyzer front end. The 217 MHz-class fabric time-qualifies fast digital events, 360 I/Os address wide probe pods, and antifuse non-volatility means the instrument is functional the moment power is applied - no configuration controller in the measurement path to add jitter or boot delay. Low static power keeps fan-less portable analyzers within thermal budgets. For designs needing extra timing margin on the fastest trigger paths, the pin-compatible -1/-2 speed grades drop onto the identical PCB footprint, letting one layout serve standard and high-performance product tiers.
Recommended
Medical Equipment Control Logic
Patient-facing diagnostic and therapy equipment uses the A54SX72A-FGG484I for deterministic control sequencing, sensor interface multiplexing, and safety-monitor logic. Antifuse configuration eliminates the risk of a corrupted configuration image at power-up - a meaningful reliability argument in devices where the FPGA gates safety interlocks. The industrial temperature range and low static power suit benchtop instruments and mobile carts alike, and 108K gates integrate legacy interface buses plus watchdog and voting logic in one chip. Note that -40C to +85C industrial grading comfortably exceeds clinical environmental requirements; teams needing an automotive-grade qualification trail can drop in the same-footprint FGG484A variant without PCB change.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-FGG484I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-FGG484 | A54SX72A-FGG484A | A54SX72A-1FGG484I | A54SX72A-2FGG484I |
|---|---|---|---|---|---|
| Package | FBGA-484 (1 mm pitch) | FBGA-484 - same | FBGA-484 - same | FBGA-484 - same | FBGA-484 - same |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108,000 | 108,000 | 108,000 | 108,000 | 108,000 |
| Logic Cells / CLBs | 6036 | 6036 | 6036 | 6036 | 6036 |
| User I/O | 360 | 360 | 360 | 360 | 360 |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Speed Grade | Standard | Standard | Standard (automotive flow) | -1 (faster) | -2 (fastest) |
| Temperature Grade | Industrial (-40C to +85C) | Commercial (0C to +70C) | Automotive grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) |
| RoHS / Lead Free | Compliant / Yes | Compliant / Yes | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Largest SX-A density in a secure antifuse fabric (vs A54SX32A-2FGG484)
- Non-volatile, readback-protected configuration (vs SRAM FPGAs (e.g., Xilinx Spartan class))
- Speed-grade scalability without PCB change (vs A54SX72A-FGG484 (standard grade))
- Industrial temperature rating as standard (vs A54SX72A-FGG484)
Design Notes
The A54SX72A-FGG484I runs from a 2.5V core (VCCA) with separate I/O supply domains (VCCI). Estimated current: with 6036 cells at moderate toggling rates, core current is typically in the tens-to-hundreds of mA range - use the Libero/Designer power calculator with your actual netlist rather than rule-of-thumb figures. Decouple each VCCA and VCCI ball with 0.1 uF ceramics placed within 2-3 mm of the ball, plus bulk 10 uF per domain. Because antifuse devices draw near-zero static current, dynamic dissipation dominates; spreading high-toggling logic across quadrants reduces local di/dt.
The FBGA-484 has a 1 mm ball pitch; fan out with via-in-pad or dog-bone escapes on 0.8-1.0 mm channel pitch, and define the land pattern per the Microchip package drawing (a non-solder-mask-defined pad is common for this class). Reserve the four corner keep-outs and center VCCA/GND ball fields exactly as the datasheet ballmap assigns them. Since the device is one-time programmable, include test points on JTAG (TDI/TDO/TMS/TCK) for programming access; there is no second chance after antifuse programming, so verify programming fixture contact before burning production units.
Use the quadrant clock resources (CLKA, CLKB, QCLK per the SX-A datasheet clocking section) rather than routing clocks through general fabric to minimize skew. With a 0.25 um, 2.5V I/O environment, keep edge rates matched to trace length: for backplane runs over ~15 cm, plan series termination (est. 22-33 ohm) on outputs driving heavy loads. Timing closure on the standard speed grade near the 217 MHz class should be verified with Designer's timing report; if slack is negative, the pin-compatible -1 or -2 speed grades drop onto the identical footprint with no PCB change.
The most common mistake with SX-A antifuse FPGAs is treating them like SRAM FPGAs: the design cannot be reprogrammed after antifuse burn, so complete simulation, static timing analysis, and a programmed-sample bring-up on a prototype board are mandatory before production programming. Do not rely on readback for debug - none exists for security reasons. Also confirm the exact speed grade and temperature suffix on purchase orders: FGG484, FGG484A, FGG484M, and 1FGG484I share one footprint but differ in grade and qualification flow.
Compliance Information
Distributor listings (FindIC, DigiKey, GlobalSpec) describe the part as ROHS COMPLIANT and LEAD FREE. AEC-Q100 qualification applies to the automotive A54SX72A-FGG484A variant, not this industrial part. REACH and conflict-minerals status should be confirmed via Microchip certificate of compliance.
