A54SX72A-FG484M - 108K-Gate Antifuse FPGA, 484-BGA | Microchip
MPN: A54SX72A-FG484M ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $325 | $325.00 |
| 10 | $305.5 | $3,055.00 |
| 100 | $289 | $28,900.00 |
| 500 | $271 | $135,500.00 |
| 1,000 | $254 | $254,000.00 |
Drop-in alternatives for A54SX72A-FG484M — 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-FG484M Maximum Ratings & Electrical Characteristics
| Family | SX-A (antifuse FPGA) |
| System Gates | 108000 gates |
| Typical Gates | 72000 gates |
| Logic Modules (Cells) | 4024 cells (6036 CLBs reported) |
| User I/O | 360 |
| Maximum Clock Frequency | 217 MHz (172 MHz system clock per Microchip USA) |
| Combinatorial CLB Delay | 1.8 ns |
| Core Supply Voltage | 2.5 V |
| I/O Supply Voltage Range | 2.25 V to 5.25 V |
| I/O Standards Supported | 2.5 V, 3.3 V, 5.0 V |
| Technology | 0.22 um / 0.25 um CMOS antifuse |
| Programmability | One-time programmable (OTP) antifuse |
| Package | 484-ball FBGA (FG484) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
A54SX72A-FG484M 484-ball fbga (fg484) Pin Configuration Guide
Complete pinout information for A54SX72A-FG484M (484-ball fbga (fg484) 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-FG484M.
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-FG484M is suitable for 6 applications: Military and Aerospace Programmable Logic, Legacy 5V Industrial Interface Bridging, Communications Line-Card Glue Logic, ASIC Prototyping and Bridge-to-ASIC, Test and Measurement Instrument Logic, Secure Embedded Controllers.
Military and Aerospace Programmable Logic
The A54SX72A-FG484M fits defense and aerospace programs where one-time-programmable antifuse configuration is a system requirement: there is no configuration PROM to fail in radiation-heavy environments and no bitstream readback path for reverse engineering. With 108,000 system gates, 6,036 logic modules and a 217 MHz toggle capability, it integrates bus interface control, address decoding and custom protocol glue logic that would otherwise need multiple ASICs. Its 2.5 V core lowers static power in battery- or conduction-cooled platforms, while the -M ordering flow targets extended-temperature operation. Designers typically implement the logic in Microchip Libero SoC, simulate fully, and program via JTAG/STAPL, stocking pre-programmed units because antifuse programming is irreversible.
Recommended
Legacy 5V Industrial Interface Bridging
Many installed industrial backplanes, PLC racks and test fixtures still run 5 V TTL signaling that modern SRAM FPGAs cannot drive directly. The A54SX72A-FG484M addresses this with a 2.25 V to 5.25 V I/O supply range supporting 2.5 V, 3.3 V and 5 V I/O standards on 360 user I/Os, letting it connect directly to legacy boards. Its 108K gates absorb address decoding, bus arbitration and parallel-to-serial bridging functions, while the 1.8 ns combinatorial CLB delay keeps glue-logic timing paths well within microsecond-level industrial bus budgets. Because configuration is antifuse-based, the FPGA is active at power-up with zero boot time - important in equipment that must respond within milliseconds of energization. Designers should route 5 V I/O banks on dedicated supply planes and verify current per bank against SX-A datasheet ratings.
Recommended
Communications Line-Card Glue Logic
Telecom and datacom line cards frequently need a security-conscious, low-power device to handle framing control, backplane handshaking and status aggregation between PHYs and a host processor. The A54SX72A-FG484M provides 360 I/Os - enough for wide parallel backplane interfaces - and 217 MHz toggle performance that comfortably covers TDM (up to ~155 Mbit/s class) control-plane logic. Per the SX-A datasheet, three dedicated global/quadrant clock networks (CLKA, CLKB, QCLK) deliver low-skew clocks across the die, simplifying synchronous frame-counter design. The antifuse fabric's low routing capacitance yields predictable timing that is easier to close on long backplane register paths than on dense SRAM FPGAs. OTP configuration also prevents unauthorized logic extraction from fielded network equipment.
Recommended
ASIC Prototyping and Bridge-to-ASIC
Before committing to an ASIC tape-out, design teams can map control logic onto the A54SX72A-FG484M: its 108,000 gates approximate mid-size ASIC control blocks, and the antifuse fabric's near-ASIC timing behavior (fixed, low-capacitance routes after programming) gives timing data more representative of a hard-wired implementation than heavily routed SRAM FPGAs. With 360 I/Os, broad observation buses can be pinned out for silicon debug. The 2.5 V core keeps power comparable to target ASIC operating points during validation. Teams should partition the design early, freeze the pinout before place-and-route in Libero, and use the same RTL for both FPGA validation and ASIC synthesis to minimize divergence between prototype and final silicon.
Recommended
Test and Measurement Instrument Logic
Bench and rack instruments use mid-density FPGAs for trigger engines, counter/timer arrays and front-panel bus decoding. The A54SX72A-FG484M's 217 MHz toggle rate and 1.8 ns CLB delay support sub-10 ns trigger-path resolution, while 360 I/Os interface parallel measurement buses, relay control matrices and display drivers on one chip. Its OTP configuration means the instrument is fully functional the instant power is applied - there is no configuration delay before a measurement controller can be serviced, a measurable benefit for automated test sequences that power-cycle fixtures between DUTs. Multi-voltage I/O lets one device bridge a 5 V legacy backplane to 3.3 V modern controllers. Designers should reserve spare I/O for future stimulus expansions because antifuse logic cannot be re-parsed after programming.
Recommended
Secure Embedded Controllers
Applications that must resist logic cloning - secure encoders, key-management boxes, anti-tamper controllers - benefit from the A54SX72A-FG484M's antifuse one-time-programmable fabric: unlike SRAM FPGAs, there is no external bitstream to intercept and no configuration readback mechanism, so implemented algorithms remain physically embedded in the interconnect. The 108K-gate capacity accommodates symmetric ciphers, randomization logic and sensor-fusion state machines, and the 2.5 V core plus low antifuse static current suits always-on monitoring roles. Design guidance from Microchip's antifuse security application material recommends removing test-access structures in the final programmed image and programming secure devices only in controlled facilities, since a programmed antifuse netlist cannot be erased or re-keyed in the field.
Recommended
Recommended Products Summary
Engineering reference data for A54SX72A-FG484M — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX72A-FGG484M | A54SX72A-FGG484I | A54SX72A-FGG484A | A54SX72A-FFGG484 | A54SX72A-FG484 |
|---|---|---|---|---|---|---|
| Package | 484-ball FBGA (FG484) | 484-ball FBGA - same | 484-ball FBGA - same | 484-ball FBGA - same | 484-ball FBGA - same | 484-ball FBGA - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 108000 | 108000 |
| User I/O | 360 | 360 | 360 | 360 | 360 | 360 |
| Maximum Toggle Frequency | 217 MHz | 217 MHz | 217 MHz (speed-grade dependent) | 217 MHz | [DATA_NEEDED] (speed grade 1) | 217 MHz |
| I/O Supply Range | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V |
| Pb-Free Flow | No (standard FG finish) | Yes (GG flow) | Yes (GG flow) | Yes (GG flow) | Yes (GG flow) | No (RoHS non-compliant per Microchip USA) |
| Temperature Grade | Extended/military (-M flow) | Extended/military (-M) | Industrial (-I) | [DATA_NEEDED] | [DATA_NEEDED] | Commercial (0C ~ +70C) |
Key Differentiators
- Extended-temperature (-M) ordering flow in 484-FBGA (vs A54SX72A-FG484)
- Standard-finish option for legacy qualification (vs A54SX72A-FGG484M)
- Largest SX-A die on the proprietary antifuse fabric (vs A54SX72A-PQG208M)
- Zero boot-time configuration (vs SRAM FPGAs (Xilinx/Intel equivalents))
Design Notes
Estimate core power per the SX-A datasheet power calculator: with a 2.5 V core and antifuse interconnect, static current is very low, but dynamic power scales with toggle rate - at 108K gates with 20% activity near 100 MHz, core dissipation can reach the watt range; verify with Microchip's SX-A power spreadsheet using your actual netlist. I/O power depends heavily on bank voltage: 5 V banks driving capacitive loads at high toggle rates dominate total dissipation. Budget per-bank current and add 10 uF bulk plus 0.1 uF ceramic decoupling at each VCC/VCCA pin group.
The 484-ball FBGA requires careful land-pattern design per the mechanical drawing in the SX-A datasheet and IPC-compliant via-in-pad fanout for dense routing. Follow the datasheet power/ground ball assignment exactly; do not relocate ground balls. Place 0.1 uF ceramic capacitors within 2 mm of each supply ball pair. For JTAG/STAPL programming access, bring TCK/TMS/TDI/TDO to a header before layout freeze - after antifuse programming, debug access options are limited.
The most frequent SX-A program failure mode is programming before simulation sign-off: antifuse devices cannot be reprogrammed, so any functional error scrapes the part. Complete gate-level simulation and static timing analysis in Libero, lock the pinout, and only then release the programming file. Also confirm ordering-code temperature grade: the -M suffix is the extended-temperature flow, while base FG484 parts are rated 0C to +70C per Microchip USA - mixing them in a -40C field system causes field failures.
Use the CLKA/CLKB global and quadrant clock networks (QCLK) described in the SX-A datasheet for all high-fanout clocks; routing clocks on general fabric adds skew and jitter that can close timing at 100+ MHz. For 5 V-tolerant I/O banks driving long backplane traces, add series source termination (22-33 ohm) to control overshoot, and verify per-bank ground-return paths since simultaneous switching on 360 available I/Os can cause ground bounce in shared return structures.
Compliance Information
The related base order code A54SX72A-FG484 is listed as RoHS non-compliant on Microchip USA; RoHS status of the -M suffix variant was not stated in the provided data - verify on the Microchip product page before procurement.
