A54SX72A-2FG484 - SX-A FPGA 108K Gates 484-BGA | Microchip
MPN: A54SX72A-2FG484 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $145 | $145.00 |
| 10 | $132.5 | $1,325.00 |
| 100 | $118 | $11,800.00 |
| 500 | $105 | $52,500.00 |
| 1,000 | $94 | $94,000.00 |
Drop-in alternatives for A54SX72A-2FG484 — 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:
A54SX72A-2FGG484
✅ Drop-In✓ In Stock
$85.6 / Unit
View Datasheet →A54SX72A-2FG484I
✅ Drop-In✓ In Stock
$196 / Unit
View Datasheet →A54SX72A-FFG484
✅ Drop-In✓ In Stock
$135.63 / Unit
View Datasheet →A54SX72A-FG484I
✅ Drop-In✓ In Stock
$217.72 / Unit
View Datasheet →A54SX72A-FGG484I
✅ Drop-In✓ In Stock
$115 / Unit
View Datasheet →A54SX72A-FG484
✅ Drop-In✓ In Stock
$88.1 / Unit
View Datasheet →A54SX72A-2FG484 Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| System Gates | 108000 |
| Typical Gates | 72000 |
| Logic Modules / Cells | 6036 CLBs (4024 cells) |
| User I/O | 360 |
| Maximum System Frequency | 294 MHz |
| Process Technology | 0.25 um / 0.22 um CMOS |
| Supply Voltage (Core) | 2.5 V (2.25 V to 2.75 V) |
| Supply Voltage Range (per distributor) | 2.25 V to 5.25 V (I/O dependent) |
| Programming Technology | Antifuse (one-time programmable) |
| Package | 484-FPBGA (27x27 mm), FBGA-484, 1 mm pitch |
| Mounting Type | Surface Mount |
| Operating Temperature | 0C to +70C |
| Speed Grade | -2 (standard) |
| Packaging | Tray |
| RoHS Status | Non-compliant |
| Manufacturer Lead Time | 10 weeks |
A54SX72A-2FG484 484-fpbga (27x27 mm), fbga-484, 1 mm pitch Pin Configuration Guide
Complete pinout information for A54SX72A-2FG484 (484-fpbga (27x27 mm), 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-2FG484.
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-2FG484 is suitable for 6 applications: Industrial Bridge and Glue Logic Integration, Secure Defense and Avionics Control Logic, Processor Peripheral and Bus Interface Bridging, Test and Measurement Instrument Logic, Communications and Networking Line-Card Logic, Legacy System Life-Extension and Obsolescence Redesign.
Industrial Bridge and Glue Logic Integration
The A54SX72A-2FG484 consolidates discrete PLDs, PALs, and bus-transceiver glue logic into a single 108K-gate antifuse device, cutting BOM count and board area. Its 360 user I/Os in the 27x27 mm FBGA-484 handle wide parallel buses between microprocessors, FPGAs, memories, and backplanes, while 2.5V core operation keeps static power low for always-on industrial controllers. Because the antifuse fabric is non-volatile, the board is functional at the instant power is applied - no configuration controller or serial flash is needed, improving system uptime and simplifying safety certification. Timing is deterministic post-layout because the actel antifuse routing is fixed once programmed, an advantage over SRAM FPGA re-timing across power cycles. Design the 2.5V core rail with bulk plus 0.1 uF decoupling per supply pin group and verify the 0C to +70C range covers the enclosure environment, or select the -I industrial grade variant.
Recommended
Secure Defense and Avionics Control Logic
Antifuse interconnect makes the A54SX72A attractive for defense and avionics subsystems where the programmed netlist must not be extractable: there is no configuration bitstream in external memory to intercept, and the device powers up functional with zero configuration latency - critical for systems with strict boot-time requirements. The 108K-gate capacity implements interfaces such as MIL-STD-1553-style protocol glue, sensor aggregation, and redundant-path voting logic across 360 I/Os. The one-time-programmed fabric also resists single-event configuration upsets that affect SRAM FPGAs, complementing system-level SEU hardening strategies. For airborne platforms specify the -I or higher-grade orderable part numbers covering -40C to +100C, and verify package qualification level against program requirements. This commercial -2FG484 unit suits ground-based and benign-temperature defense electronics; recompile the same Libero design for the industrial or military orderable codes without PCB changes.
Recommended
Processor Peripheral and Bus Interface Bridging
The SX-A architecture's R-cell (sequential) rich fabric and 294 MHz-class registered performance suit bus bridges, DMA controllers, memory controllers, and legacy interface translation (PCI-style glue, local bus expansion, proprietary parallel links). The A54SX72A-2FG484 provides enough capacity for a full bridge function plus FIFOs and status registers, with I/O banks supporting 3.3V and 2.5V signaling to interface directly with both legacy 5V-tolerant-adjacent and modern 2.5V logic domains. Because routing is antifuse-fixed, register-to-register delays are stable across temperature and lifetime, simplifying setup/hold closure on wide buses. Designers should budget one module per flip-flop and use Libero timing reports post-place-and-route rather than pre-layout estimates. With a 10-week factory lead time, secure prototype quantities early; the same footprint accepts speed-grade and temperature-grade variants for design reuse across product tiers.
Recommended
Test and Measurement Instrument Logic
Instrument makers use the A54SX72A-2FG484 for trigger engines, timing generators, and acquisition-path interface logic where deterministic, fixed routing matters for repeatable measurements. The antifuse fabric delivers cycle-accurate timing that does not drift between power cycles, supporting calibration-stable instruments, while 360 I/Os connect front-end ADCs, comparators, and rear-panel digital buses. The 294 MHz-class module performance supports fast trigger decision pipelines, and the 2.5V core limits power inside thermally constrained chassis. Because the device is one-time programmable, firmware features must be frozen before programming; keep field upgradability in an accompanying microcontroller or reserve a socketed device strategy. For benchtop instruments with controlled environments the 0C to +70C commercial range is adequate; portable or outdoor equipment should use the A54SX72A-2FG484I variant with the identical footprint and pinout.
Recommended
Communications and Networking Line-Card Logic
Networking line cards and backplane adapters benefit from the SX-A's balance of gate density and I/O count: the A54SX72A-2FG484 implements framing, deskew, error-checking, and backplane interface logic across 360 I/Os while fitting a compact 27x27 mm footprint. Fixed antifuse routing yields consistent latency between identical channels - important for deskew and channel-matching functions - and non-volatile configuration eliminates the boot delay that SRAM FPGAs add before links can train. The 2.5V core supply integrates with standard telecom 2.5V/3.3V rail architectures. Note that this commercial temperature grade and non-green package may not suit telecom-temperature or RoHS-restricted products; the A54SX72A-2FGG484 green variant and -I industrial units share the same footprint, letting one PCB layout serve multiple compliance and temperature markets with only ordering-PN and recompile changes.
Recommended
Legacy System Life-Extension and Obsolescence Redesign
When legacy ASICs, ECL glue, or discontinued PLDs reach end-of-life, the A54SX72A-2FG484 is a practical consolidation target: 108K gates absorb multiple obsolete devices, and the SX-A family's long-lived, mature 0.25 um process keeps the replacement available for years - itself an obsolescence-mitigation feature. Migrating requires translating original netlists or RTL into VHDL/Verilog, recompiling in Libero, and validating I/O levels against the original 3.3V/2.5V domains. The antifuse one-time-programming model mirrors masked-ASIC behavior, easing qualification for systems where firmware upgradeability is not required. Budget the 10-week factory lead time into redesign schedules and consider dual-sourcing speed/temp grades (for example A54SX72A-FFG484 alongside the -2 grade) to hedge allocation. Pin-compatible family variants allow one board design to be populated according to availability.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-2FG484 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-2FGG484 | A54SX72A-2FG484I | A54SX72A-FFG484 | A54SX72A-FGG484I |
|---|---|---|---|---|---|
| Brand | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) |
| Package | 484-FBGA (27x27 mm), 1 mm pitch | 484-FBGA (27x27 mm) - same footprint | 484-FBGA (27x27 mm) - same footprint | 484-FBGA (27x27 mm) - same footprint | 484-FBGA (27x27 mm) - same footprint |
| System Gates | 108000 (72K typical) | 108000 (72K typical) | 108000 (72K typical) | 108000 (72K typical) | 108000 (72K typical) |
| User I/O | 360 | 360 | 360 | 360 | 360 |
| Core Supply Voltage | 2.5 V (2.25 V to 2.75 V) | 2.5 V (2.25 V to 2.75 V) | 2.5 V (2.25 V to 2.75 V) | 2.5 V (2.25 V to 2.75 V) | 2.5 V (2.25 V to 2.75 V) |
| Speed Grade | -2 (standard) | -2 (standard) | -2 (standard) | -F (faster, lower delays) | -F (faster, lower delays) |
| Operating Temperature | 0C to +70C (commercial) | 0C to +70C (commercial) | -40C to +100C (industrial) | 0C to +70C (commercial) | -40C to +100C (industrial) |
| RoHS Compliance | Non-compliant (standard package) | Compliant (green package) | Non-compliant (standard package) | Non-compliant (standard package) | Compliant (green package) |
Key Differentiators
- RoHS-compliant drop-in option exists (vs A54SX72A-2FGG484)
- Wider temperature coverage available pin-for-pin (vs A54SX72A-2FG484I)
- Faster speed grade for timing-critical paths (vs A54SX72A-FFG484)
Design Notes
Provide separate 2.5V (VCCA, core/analog) and I/O-bank (VCCI) rails with independent local decoupling: at least 0.1 uF ceramic at every supply pin group plus 10 uF bulk per rail. Never share the core rail with noisy I/O switching loads; SX-A antifuse devices draw negligible static core current once programmed, so the core regulator can be sized mainly for transient and I/O currents. Observe the 2.25V to 2.75V core tolerance and follow the SX-A datasheet power-up guidance, since core-before-I/O or simultaneous rails are acceptable but brown-out during programming/verification is not recoverable on a one-time-programmable device.
The FBGA-484 uses a 1 mm ball pitch on a 27x27 mm body; specify a standard NSMD pad (approximately 0.4 mm pad on 0.5 mm mask opening) and use via-in-pad with filled vias or dogbone fanout on 1.0-1.2 mm channel pitch. Route power and ground through dedicated ball arrays and flood at least two internal planes to keep I/O return paths short. For assembly, note that this standard -2FG484 package is RoHS non-compliant: lead-free reflow profiles may not be qualified for it, so either specify the green A54SX72A-2FGG484 for lead-free lines or confirm the solder process with your contract manufacturer before production.
Antifuse devices are one-time programmable - a design error after programming cannot be patched, so always run full post-layout timing simulation and functional verification in Libero/Designer before committing silicon. Account for the roughly 10-week factory lead time when scheduling prototypes, and reserve identical-footprint alternates (A54SX72A-2FGG484 for RoHS, -2FG484I for temperature) in the same design database so a compliance or temperature change requires only a recompile. Do not extrapolate timing from the -2 grade to the -F grade; each speed grade has its own timing model that must be selected in the software.
Compliance Information
RoHS non-compliant per Microchip USA listing (standard package finish); the A54SX72A-2FGG484 green variant is the compliant option. Commercial temperature grade (0C to +70C), not automotive qualified.
