A54SX72A-1FGG484M - SX-A FPGA 108K Gates 484-BGA | Microchip
MPN: A54SX72A-1FGG484M ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $96.5 | $96.50 |
| 10 | $91.2 | $912.00 |
| 100 | $84.75 | $8,475.00 |
| 500 | $78.9 | $39,450.00 |
| 1,000 | $73.4 | $73,400.00 |
Drop-in alternatives for A54SX72A-1FGG484M — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX72A-FGG484M
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View Datasheet →A54SX72A-1FGG484I
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View Datasheet →A54SX72A-2FGG484
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View Datasheet →A54SX72A-FGG484A
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View Datasheet →A54SX72A-FFGG484
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View Datasheet →A54SX72A-1FGG484M Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| System Gates | 108000 |
| Usable Gates | 72000 |
| Logic Cells | 4024 |
| Combinatorial Logic Blocks (CLBs) | 6036 |
| Maximum User I/O | 360 |
| Max System Frequency | 250 MHz |
| Core Supply Voltage | 2.5 V |
| Process Technology | 0.25 um CMOS |
| Speed Grade | -1 |
| Programmability Type | One-time programmable antifuse |
| Package | 484-ball FBGA (FGG484), 1 mm pitch |
| Mounting Type | Surface Mount |
| Temperature Grade | M (commercial) |
| RoHS Status | Compliant |
| Manufacturer Prefix Heritage | Actel / Microsemi / Microchip Technology |
A54SX72A-1FGG484M 484-ball fbga (fgg484), 1 mm pitch Pin Configuration Guide
Complete pinout information for A54SX72A-1FGG484M (484-ball fbga (fgg484), 1 mm pitch 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-1FGG484M.
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-1FGG484M is suitable for 6 applications: Industrial Control and Automation, Secure Logic Integration (Single-Chip Consolidation), Communications and Networking Equipment, Aerospace and Defense Logic, Legacy System Continuity and Obsolescence Bridging, Test and Measurement Instrumentation.
Industrial Control and Automation
The A54SX72A-1FGG484M fits industrial control because its 72K usable gates and 360 user I/O integrate PLC glue logic, motor-control state machines, and fieldbus bridging into one 2.5 V, low-static-power antifuse device. Its 250 MHz capability covers high-speed counter and encoder interfaces, while the one-time-programmable fabric resists configuration corruption in electrically noisy factory environments. Placed as the logic hub between sensors, actuators, and a host processor, it removes boot-time configuration delays inherent to SRAM FPGAs. The trade-off is permanent configuration, so lock the design before programming; 1 mm pitch FBGA rework requires controlled-process BGA rework stations.
Recommended
Secure Logic Integration (Single-Chip Consolidation)
Antifuse FPGAs are chosen when the logic must not be read back or altered: the A54SX72A-1FGG484M's programmed antifuses cannot be dumped like an SRAM bitstream, protecting proprietary algorithms and cryptographic glue logic. With 108K system gates, designers consolidate ASIC-interface translators, encryption wrappers, and board-level random logic into a single chip, cutting BOM cost and board area. The device needs no external configuration PROM, removing a common attack and failure point. Design teams should budget for the one-shot programming flow: complete timing closure in Microchip Libero before committing the design to silicon.
Recommended
Communications and Networking Equipment
The 250 MHz system performance and quadrant clock inputs (A, B, C, D) of the A54SX72A-1FGG484M support line-card glue logic, backplane interface translation, and protocol bridging in networking equipment. The 360 user I/O accommodate wide parallel buses for TDM, legacy telecom, and proprietary interconnect standards that modern FPGAs no longer support with voltage-tolerant banks. Because the antifuse fabric has low static power and no configuration readback, it suits always-on telecom infrastructure. Designers should constrain quadrant clock assignment early in Libero to minimize clock skew across the 484-ball FBGA die.
Recommended
Aerospace and Defense Logic
The Actel/Microsemi antifuse lineage makes the A54SX72A family a longstanding choice for defense electronics, avionics glue logic, and secure datalinks, where configuration upset immunity and non-readable configuration are procurement requirements. The A54SX72A-1FGG484M supplies 72K gates with predictable, near-ASIC timing from the segmented antifuse routing, easing DO-254-style design assurance analysis. Note this M-grade commercial variant is not a space-qualified ordering option; select the appropriate grade for the program. The permanent configuration eliminates SEU-prone configuration memory, a key advantage over SRAM FPGAs in radiation environments.
Recommended
Legacy System Continuity and Obsolescence Bridging
Many legacy platforms were designed around Actel SX-A FPGAs, and the A54SX72A-1FGG484M continues that supply through Microchip's mature-product program. It serves as both a direct refill for existing sockets and a consolidation target when obsolete PAL/GAL/ASIC components must be absorbed into one programmable device. The 0.25 um antifuse process matches the original timing assumptions, so recompiled legacy Libero/Actel designs drop into the same footprint without PCB revision. Maintain archived source constraints and programming files, since antifuse parts cannot be reprogrammed if a design bug is found after deployment.
Recommended
Test and Measurement Instrumentation
Bench instruments and automated test equipment use the A54SX72A-1FGG484M for trigger logic, timing generators, and bus emulators: the 250 MHz capability and 360 I/O support wide, fast parallel stimulus/capture channels, and the -1 speed grade timing tables in the SX-A datasheet give deterministic propagation delays valuable for measurement repeatability. Antifuse permanence ensures the instrument's calibration-related logic cannot drift between power cycles. Route quadrant clock inputs to a low-jitter oscillator and keep high-speed I/O balls on short traces to preserve signal integrity on the 1 mm-pitch FBGA breakout.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-1FGG484M — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-FGG484M | A54SX72A-1FGG484I | A54SX72A-2FGG484 | A54SX72A-FGG484A | A54SX72A-FFGG484 |
|---|---|---|---|---|---|---|
| Package | FBGA-484 (FGG484), 1 mm pitch | FBGA-484 - same | FBGA-484 - same | FBGA-484 - same | FBGA-484 - same | FBGA-484 - same |
| Brand | Microchip Technology (Actel/Microsemi heritage) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108 K | 108 K | 108 K | 108 K | 108 K | 108 K |
| User I/O | 360 | 360 | 360 | 360 | 360 | 360 |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Speed Grade | -1 (up to 250 MHz) | [DATA_NEEDED] | -1 | -2 (faster than -1) | [DATA_NEEDED] | [DATA_NEEDED] |
| Temperature Grade | M (commercial) | M (commercial) | I (industrial) | [DATA_NEEDED] | A suffix per ordering code | [DATA_NEEDED] |
| Programmability | One-time programmable antifuse | One-time programmable antifuse | One-time programmable antifuse | One-time programmable antifuse | One-time programmable antifuse | One-time programmable antifuse |
Key Differentiators
- Non-volatile antifuse configuration with no boot PROM (vs SRAM-based FPGAs (e.g., Xilinx/Altera parts))
- Industrial temperature variant on identical footprint (vs A54SX72A-1FGG484I)
- Faster speed-grade upgrade path without respin (vs A54SX72A-2FGG484)
- High I/O density in mature family (vs A54SX32A-BGG329M (smaller SX-A family member))
Design Notes
The SX-A family operates from a 2.5 V core supply per the SX-A family datasheet. Estimated: because antifuse fabric has very low static current, a 72K-gate design with moderate I/O switching typically draws well under an SRAM FPGA of similar density, but you must still size the 2.5 V rail for the worst-case I/O switching current across all 360 user I/O. Use solid power-plane pour under the FBGA-484 and place 100 nF ceramic decoupling capacitors at multiple ball clusters around the package perimeter, plus bulk 10 uF near each supply ball group.
The FGG484 package uses a 1 mm ball pitch. Fan out with via-in-pad or dog-bone escape on a minimum 8-layer stack, or use 0.8 mm-pitch-compatible BGA escape routing rules with 4 mil trace/4 mil space. Assign high-speed signals to balls nearest the die edge to shorten escape stubs, and reference quadrant clock input balls (A, B, C, D per the datasheet) to a low-jitter oscillator with matched-length traces. Confirm exact ball coordinates from the SX-A datasheet FGG484 package table before layout release.
This is a one-time-programmable antifuse FPGA: a design error discovered after programming cannot be corrected on the device. Complete simulation, static timing analysis, and hardware bench validation of an engineering lot before production programming. Additionally, do not interchange the M (commercial) and I (industrial) temperature variants outside their rated ambient ranges, and confirm the -1 speed grade meets all critical paths using the SX-A AC timing tables - substituting a slower-suffix variant on the same footprint without timing re-verification is the most common field failure mode.
The 0.25 um CMOS I/O structures are 2.5 V-oriented; level-shift any 3.3 V or 5 V logic interfaces per the SX-A datasheet I/O tolerance tables rather than assuming 5 V tolerance. For wide parallel buses leaving the FBGA, use series source termination (estimated 22-33 ohm based on typical drive strength) to control reflections on lengths beyond a few inches. Keep the four quadrant clock inputs isolated from switching I/O returns on the ground plane to minimize injected jitter.
Compliance Information
FindIC distributor comparison data lists the FBGA-484 package as RoHS compliant. REACH, halogen-free, and conflict-minerals statuses were not stated in the provided data.
