A54SX72A-FFGG484 - 108K Gate Antifuse FPGA 484-BGA | Microchip
MPN: A54SX72A-FFGG484 β Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
Drop-in alternatives for A54SX72A-FFGG484 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX72A-FGG484A
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View Datasheet βA54SX72A-FFG484A
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A54SX72A-FG484A
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A54SX72A-1FGG484I
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View Datasheet βA54SX72A-FFGG484M
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A54SX72A-FFGG484 Maximum Ratings & Electrical Characteristics
| Manufacturer Part Number | A54SX72A-FFGG484 |
| Family | SX-A (antifuse FPGA) |
| System Gates | 108000 gates |
| Configurable Logic Blocks (CLBs) | 6036 |
| Number of I/O | 360 |
| Supply Voltage | 2.25 V to 5.25 V |
| Core Technology | CMOS, antifuse one-time programmable |
| Operating Temperature | 0C to +70C (TA), commercial grade |
| Package / Case | 484-FPBGA (27x27 mm) |
| Ball Pitch | 1 mm |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Yes (LEAD FREE per distributor data) |
| Manufacturer Lead Time | 10 weeks |
| Product Status | Active |
A54SX72A-FFGG484 484-fpbga (27x27 mm) Pin Configuration Guide
Complete pinout information for A54SX72A-FFGG484 (484-fpbga (27x27 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 A54SX72A-FFGG484.
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
A54SX72A-FFGG484 is suitable for 6 applications: Industrial Control and Automation, Communications and Networking Line Cards, Aerospace and Defense Logic Integration, ASIC Prototyping and Bridge Logic, Legacy System Sustainment and Obsolescence Bridging, Test and Measurement Instrumentation.
Industrial Control and Automation
The A54SX72A-FFGG484 fits industrial controllers that need flexible glue logic, bus bridging, and sequencing under one programmable device. Its 108,000 gates and 6036 CLBs absorb address decoders, state machines, and interface translation that would otherwise occupy several CPLDs or hundreds of discrete devices, cutting board area and assembly cost. The 2.25V to 5.25V supply range allows direct interfacing with legacy 5V and 3.3V industrial I/O standards common on PLC backplanes. Because the antifuse fabric is one-time programmable, the configured design is immune to configuration corruption from power glitches - a real failure mode in electrically noisy factory environments. Place the device on a solid ground plane and use 0.1 uF decoupling per power pin bank; the 484-FBGA footprint dissipates little heat at industrial logic densities, so no heatsink is typically required.
Recommended
Communications and Networking Line Cards
Line cards and switching fabrics benefit from the SX-A family's combination of speed and one-time-programmable security. The A54SX72A-FFGG484's reported family operating frequencies of up to 156-172 MHz (speed-grade dependent) handle backplane timing, framing logic, and parallel bus aggregation between PHY devices and processors. With 360 I/O, it can terminate wide parallel data buses - 32-bit or 64-bit paths plus control - that modern serial FPGAs no longer offer economically. Distributors list the part as actively supplied with a 10-week factory lead time, so line-card builds should secure inventory against the schedule. Because there is no configuration PROM, the card powers up instantly with no bitstream load time, useful in redundant slot architectures where failover must occur within milliseconds.
Recommended
Aerospace and Defense Logic Integration
Antifuse FPGAs are a staple of defense electronics because the programmed interconnect cannot be read back or altered in the field. The A54SX72A-FFGG484 provides 108,000 gates of configuration-immune logic for board-level integration of bus interfaces, arbitration, and custom protocol bridges. Its absence of configuration memory removes an entire class of supply-chain tampering concerns, and the CMOS fabric offers low static power for conduction-cooled enclosures. The 484-FBGA's 1 mm pitch supports standard inspection flows, though X-ray inspection of inner rows is recommended for high-reliability solder acceptance. For extended-temperature builds, specify the A54SX72A-1FGG484I industrial variant with identical pinout, allowing a single board layout to serve both commercial and extended-temperature programs.
Recommended
ASIC Prototyping and Bridge Logic
Before committing to an ASIC tape-out, designers use the A54SX72A-FFGG484 to prototype control logic and verify interface behavior at near-production timing. The SX-A architecture's deterministic antifuse routing gives more predictable delays than large SRAM FPGAs, making it representative of ASIC-style timing closure workflows. As bridge logic between an existing processor and a new peripheral set, the 360 I/O and 5V-tolerant supply range let one device span legacy and modern signaling domains. Since the device is one-time programmable, prototype iterations consume parts per revision - budget accordingly and validate with thorough gate-level simulation before each programming cycle. Distributor stock (DigiKey ships same day) supports fast prototype spins within the 0C to +70C lab environment.
Recommended
Legacy System Sustainment and Obsolescence Bridging
Many deployed systems were designed around SX-A antifuse FPGAs, and sustainment teams need identical-form-fit-function parts to keep production lines running. The A54SX72A-FFGG484, being active with a 10-week lead time and ROHS3 compliant, is a primary sustainment buy: the programmed design file from the original build programs directly into new devices with no redesign. For boards originally fitted with related SX-A order codes in the 484-FBGA package (FGG484A, FFG484A, FG484A), this part serves as a same-footprint substitute subject to speed-grade verification. Procurement should qualify at least one alternate order code in the same family to hedge allocation risk, since mature antifuse devices occasionally see long factory queues.
Recommended
Test and Measurement Instrumentation
Instrument backplanes and acquisition modules use the A54SX72A-FFGG484 for trigger distribution, counter/timer logic, and bus interface aggregation. The deterministic antifuse routing simplifies timing analysis for trigger paths where skew directly affects measurement accuracy, and the 360 I/O terminate wide data acquisition buses from ADC front ends. With no configuration boot sequence, instruments pass their power-on self-test immediately, shortening measured startup time. At 108,000 gates the device holds complete acquisition state machines without consuming the whole fabric, leaving margin for firmware-era design updates recompiled into new devices. Decouple all 484-ball power structure per the Microchip SX-A layout guidance and keep clock routing short and point-to-point for lowest jitter.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-FFGG484 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-FGG484A | A54SX72A-FFG484A | A54SX72A-1FGG484I | A54SX72A-FFGG484M |
|---|---|---|---|---|---|
| Package | 484-FPBGA (27x27 mm) | 484-FPBGA (27x27 mm) - same | 484-FPBGA (27x27 mm) - same | 484-FPBGA (27x27 mm) - same | 484-FPBGA (27x27 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 108000 |
| Number of I/O | 360 | 360 | 360 | 360 | 360 |
| Operating Temperature | 0C to +70C (commercial) | [DATA_NEEDED] | [DATA_NEEDED] | Industrial grade (I) | [DATA_NEEDED] |
| Supply Voltage | 2.25 V to 5.25 V | 2.25 V to 5.25 V (same family) | 2.25 V to 5.25 V (same family) | 2.25 V to 5.25 V (same family) | 2.25 V to 5.25 V (same family) |
| Speed Grade | Standard (FFGG) | [DATA_NEEDED] | [DATA_NEEDED] | Speed grade 1 | 172 MHz grade cited |
| RoHS / Lead Finish | ROHS3 Compliant, lead free | Lead-free (A revision) | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- One-time-programmable security fabric (vs A54SX72A-FFGG484M)
- Industrial temperature option on same footprint (vs A54SX72A-1FGG484I)
- Lead-free 'A'-revision substitutes available (vs A54SX72A-FGG484A)
Design Notes
Estimated: the SX-A family accepts a 2.25V to 5.25V supply, and CMOS antifuse logic draws predominantly dynamic current proportional to clock frequency. Budget core current using your compiled design's switching activity in Microchip's power estimation flow rather than a fixed figure, then size the rail with 30% margin. Provide one 0.1 uF ceramic capacitor per power/ground ball pair plus bulk 10 uF near the device; the 484-ball structure distributes power across many balls, so low-impedance planes (not traces) are expected.
The 484-FPBGA is a 27x27 mm body with 1 mm ball pitch - a straightforward but non-trivial escape. Use via-in-pad or dog-bone escape on outer rows and route inner rows on internal layers; plan at least 6 signal layers for 360 I/O escapes. Specify X-ray inspection of rows 2+ for high-reliability builds since optical inspection cannot see inner balls. Follow the manufacturer datasheet land-pattern recommendations and confirm the mark on pin A1 orientation before assembly.
Antifuse means one-time programmable: submitting an unverified design to programming wastes irreplaceable lead-time (10 weeks factory) and parts. Complete gate-level functional simulation and static timing analysis before every programming submission. Also, do not confuse order-code suffixes: FFGG (this part), FGG, FFG, FG differ in lead finish and speed coding, and only some are RoHS-compliant. The M suffix denotes a packing/marking variant - verify MSL and packing before production procurement.
Compliance Information
ROHS3 Compliant and lead free per Microchip USA product data; 'LEAD FREE' also confirmed by PCB Electronics Supply Chain listing. REACH, halogen-free, and conflict-minerals status not stated in provided data.
