A54SX72A-1FG484 - 72K Gate Antifuse FPGA, 484-BGA | Microchip
MPN: A54SX72A-1FG484 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $145 | $145.00 |
| 10 | $132.5 | $1,325.00 |
| 100 | $119 | $11,900.00 |
| 500 | $107 | $53,500.00 |
| 1,000 | $96.5 | $96,500.00 |
Drop-in alternatives for A54SX72A-1FG484 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX72A-1FG484A
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A54SX72A-2FG484
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$94 / Unit
View Datasheet →A54SX72A-FG484
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$88.1 / Unit
View Datasheet →A54SX72A-1FG484I
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$208.5 / Unit
View Datasheet →A54SX72A-1FGG484
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$515 / Unit
View Datasheet →A54SX72A-FGG484A
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View Datasheet →A54SX72A-1FG484M
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$325 / Unit
View Datasheet →A54SX72A-1FG484 Maximum Ratings & Electrical Characteristics
| Family | SX-A (Antifuse FPGA) |
| System Gates (equivalent) | 108000 gates |
| Typical Usable Gates | 72000 gates |
| Logic Modules / Cells | 6036 modules |
| Maximum Toggle Frequency | 250 MHz |
| User I/O | 360 |
| Technology | 0.25 um / 0.22 um CMOS |
| Supply Voltage | 2.25 V to 5.25 V (per family distribution) |
| Core Supply | 2.5 V |
| Propagation (clock-to-out) | 1.3 ns |
| Package | 484-ball FBGA, 1.0 mm pitch |
| Ball Material | Tin-lead (leaded) for -1FG484 suffix |
| Mounting Type | Surface Mount |
| Programming Type | One-Time Programmable (antifuse) |
| Packaging | Tray |
| RoHS Status | Non-compliant (leaded ball finish) |
A54SX72A-1FG484 484-ball fbga, 1.0 mm pitch Pin Configuration Guide
Complete pinout information for A54SX72A-1FG484 (484-ball fbga, 1.0 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-1FG484.
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-1FG484 is suitable for 6 applications: Industrial Control and Automation, Secure Single-Chip System Integration, Avionics and Defense Electronics, Networking Line Cards and Backplanes, Test and Measurement Instrumentation, Legacy System Life Extension.
Industrial Control and Automation
The A54SX72A-1FG484 fits factory automation controllers, motor-interface aggregation, and PLC I/O backplanes where multiple glue-logic ASSPs, counters, and bus bridges can be merged into a single 108k-gate antifuse device. Its 360 user I/Os in a 484-ball FBGA let one chip terminate parallel field buses, encoder inputs, and backplane interfaces that would otherwise occupy several CPLDs. The 250 MHz toggle capability comfortably covers 100 MHz-class synchronous state machines, and the one-time-programmable fabric powers up instantly with no configuration PROM - eliminating a common field-failure point in industrial gear. Place decoupling at each corner power ball and route quadrant clocks to keep clock skew low across the 1 mm-pitch ball grid.
Recommended
Secure Single-Chip System Integration
Antifuse FPGAs are inherently secure: the programmed interconnect cannot be read back, so the A54SX72A-1FG484 protects proprietary algorithms, encryption key handling pre-logic, and anti-cloning logic without external configuration memory. The 108,000 equivalent gates (72,000 typical) integrate microprocessor glue logic, bus arbitration, and custom datapaths on one 0.25 um CMOS die, removing the flash or SRAM configuration device that attackers would otherwise probe. Because the configuration is permanent, production units are tamper-resistant by construction. Designers should still treat side channels in I/O behavior and avoid exposing key material on observable pins; the 360 user I/Os allow generous pin-mux randomization across the 484-ball footprint.
Recommended
Avionics and Defense Electronics
The SX-A family is a proven choice in avionics, radar, and defense subsystems because the antifuse configuration is immune to configuration-memory upsets and powers up functionally in microseconds with zero external boot device. The A54SX72A-1FG484M military-suffix variant extends this part for screened programs. The 250 MHz toggle rate supports radar pre-processing pipelines and 1553/ARINC glue logic, while 360 I/Os terminate mixed parallel payloads on the 484-ball FBGA. The tin-lead ball finish aligns with legacy military solder processes and exemptions. For radiation environments, migrate to the pin-compatible RT54SX72S space variant; the commercial A54SX72A suits lab, ground, and mildly harsh platforms.
Recommended
Networking Line Cards and Backplanes
The A54SX72A-1FG484 aggregates PHY framing, packet statistics, bus arbitration, and LED logic on network line cards where the 360 user I/Os terminate parallel PHY and backplane connections in one 484-ball package. Its 250 MHz toggle class and 1.3 ns clock-to-out timing close for 66-100 MHz synchronous bus domains, and quadrant clock networks (CLKA/CLKB plus four QCLKs) let independent card sections run on separate clock domains with contained skew. Because the antifuse fabric draws low static power versus SRAM FPGAs of the era, card thermal budgets ease in forced-air chassis. Use the -2 speed grade variant when downstream MAC interfaces demand faster clock-to-out than the -1 grade guarantees.
Recommended
Test and Measurement Instrumentation
Bench instruments, automated test equipment (ATE), and protocol analyzers use the A54SX72A-1FG484 as a fixed-function pattern generator, counter bank, and timing-sequencer fabric. The 6036 logic modules implement deep counters and state machines, while deterministic, configuration-free power-up guarantees the instrument is generating test stimulus within microseconds of rack power-on - a property SRAM FPGAs cannot match without a boot device. The 250 MHz toggle rate supports ns-resolution pulse generation, and the 360 I/Os fan out to dense connector banks from the 484-ball footprint. The one-time-programmable nature also prevents field firmware tampering in calibration-sensitive paths.
Recommended
Legacy System Life Extension
The leaded A54SX72A-1FG484 is a direct fit for sustaining tin-lead SMT assembly lines that support fielded avionics, industrial, and defense products. Because the SX-A family (including A54SX72A-FG484, -1FG484A, and -1FG484I variants) remains active, life-extension programs can re-source the same 108k-gate fabric rather than redesign around a modern FPGA - preserving validated test procedures, programming files, and board layouts. The identical 484-ball footprint across speed and temperature grades lets one PCB design accept commercial, industrial, or lead-free ball variants (FGG484A) depending on program requirements, dramatically reducing obsolescence risk for legacy baselines.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-1FG484 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-1FG484A | A54SX72A-2FG484 | A54SX72A-FGG484A | A54SX72A-1FG484M |
|---|---|---|---|---|---|
| Package | 484-ball FBGA (FG484, 1 mm pitch) | 484-ball FBGA - same | 484-ball FBGA - same | 484-ball FBGA (FGG484 lead-free) - same footprint | 484-ball FBGA - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates (equivalent) | 108000 gates | 108000 gates | 108000 gates | 108000 gates | 108000 gates |
| Logic Modules | 6036 | 6036 | 6036 | 6036 | 6036 |
| Maximum Toggle Frequency | 250 MHz | 250 MHz | 250 MHz class, faster module timing | 217 MHz class (standard grade) | 250 MHz |
| User I/O | 360 | 360 | 360 | 360 | 360 |
| Ball Finish / RoHS | Tin-lead, RoHS non-compliant | Tin-lead, RoHS non-compliant | Tin-lead, RoHS non-compliant | Lead-free, RoHS compliant | Tin-lead (military program) |
| Temperature Grade | [DATA_NEEDED: operating temperature for -1FG484] | [DATA_NEEDED] | Commercial (per family data) | Commercial (per family data) | Military grade |
| Speed Grade | -1 | -1 (same) | -2 (faster) | Standard | -1 (same) |
Key Differentiators
- Higher timing margin headroom available via same-footprint -2 speed grade (vs A54SX72A-2FG484)
- Leaded tin-lead balls for legacy assembly (vs A54SX72A-1FGG484)
- Configuration-free instant-on operation (vs SRAM FPGAs (e.g., Xilinx Spartan family))
Design Notes
The A54SX72A-1FG484 is one-time programmable: after antifuse programming there is no rework path. Complete static timing analysis at the -1 speed grade in Libero/Designer, run gate-level simulation, and verify I/O assignments against the 484-ball pinout table before generating the programming file. Also confirm the tin-lead ball finish matches your solder process - do not flow this leaded part through a lead-free reflow profile intended for FGG484 variants.
Power the 2.5 V core and I/O banks with local bulk and high-frequency decoupling at the FBGA corners; the SX-A family datasheet package chapter identifies VCC, VCCA, and GND balls. Estimated: for a 72k-gate design toggling 10 percent of modules at 50 MHz, core current is typically in the hundreds of milliamps - verify with the Designer power calculator for your netlist rather than assuming family-typical numbers, and size the 2.5 V rail accordingly.
The 1 mm-pitch 484-ball FBGA requires via-in-pad or dog-bone fanout on 0.8-1.0 mm BGA rules. Dedicate inner layers to power/ground planes for signal-integrity on the 360 I/O, and route the four quadrant clocks (QCLK) and global CLKA/CLKB as short, matched traces to reduce inter-domain skew. Follow the clocking figures in the SX-A datasheet and the Actel quadrant-clock application notes when assigning clock-capable balls.
Compliance Information
Distributor data for the related A54SX72A-FG484 explicitly lists RoHS non-compliant status with tin-lead construction; the -1FG484 shares the leaded ball finish. Lead-free FGG484 variants are available for RoHS lines. AEC-Q100 not applicable to this FPGA family.
