A54SX72A-2FG484I - 108K Gate Antifuse FPGA 484 FBGA | Microchip
N.º da peça: A54SX72A-2FG484I ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $285 | $285,00 |
| 10 | $262 | $2.620,00 |
| 100 | $238 | $23.800,00 |
| 500 | $214 | $107.000,00 |
| 1.000 | $196 | $196.000,00 |
A54SX72A-2FG484I Visão geral
An antifuse FPGA is a type of field-programmable gate array in which the interconnect configuration is permanently set at programming time by rupturing antifuse elements. Unlike SRAM-based FPGAs, antifuse devices are nonvolatile, require no external configuration ROM, and power up instantly with a fully determined routing fabric - placing them in the programmable logic hierarchy between one-time-programmable SPLDs and reconfigurable SRAM FPGAs.
Key features include single-chip integration of multiple logic functions, support for 2.5 V, 3.3 V, and 5 V I/O standards on a 2.5 V core, low dynamic power consumption typical of antifuse fabrics, and deterministic timing with no configuration readback vulnerability - an inherent security advantage over SRAM FPGAs. The device provides global and quadrant clock networks (CLKA, CLKB, and QCLK) for flexible clock distribution.
The SX-A architecture is built around a sea-of-modules fabric of combinational and sequential logic modules interconnected by a fine-grained antifuse routing matrix. The 0.22 um/0.25 um CMOS process yields high gate utilization with predictable interconnect delays. Because configuration is stored physically in the antifuse elements, there is no bitstream to intercept or corrupt, making the family attractive for military, avionics, and industrial designs requiring configuration immutability.
Typical applications include glueless bus bridging, industrial control, communications line-card logic, avionics and defense systems requiring one-time-programmable security, and legacy system obsolescence redesigns where a deterministic, nonvolatile FPGA is mandated.
When designing with this device, remember the antifuse is one-time programmable: verify the design thoroughly in simulation and with a prototype device before production programming. Plan I/O bank voltage assignments early since 2.5 V, 3.3 V, and 5 V I/O mixing constrains ball assignment.
This page synthesizes distributor pricing context, drop-in same-package speed-grade alternatives, and practical design notes not found in the manufacturer datasheet, as of 2026-09-03.
Alternativas drop-in para A54SX72A-2FG484I — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com A54SX72A-2FG484I (mesmo formato e footprint) — diferindo em Package, RoHS Status, System Gates, Process Technology, Operating Temperature.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
A54SX72A-2FGG484I
✅ Drop-In✓ Em estoque
$112 / unidade
Ver ficha técnica →A54SX72A-FG484I
✅ Drop-In✓ Em estoque
$217.72 / unidade
Ver ficha técnica →A54SX72A-FGG484I
✅ Drop-In✓ Em estoque
$115 / unidade
Ver ficha técnica →A54SX72A-2FGG484
✅ Drop-In✓ Em estoque
$85.6 / unidade
Ver ficha técnica →A54SX72A-1FGG484
✅ Drop-In✓ Em estoque
$515 / unidade
Ver ficha técnica →A54SX72A-FGG484A
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →A54SX72A-FFG484
✅ Drop-In✓ Em estoque
$135.63 / unidade
Ver ficha técnica →A54SX72A-2FG484I Classificações máximas e características elétricas
| Family | SX-A (Antifuse FPGA) |
| System Gates | 108000 gates |
| Logic Cells (Modules) | 6036 |
| Maximum Toggle Frequency | 294 MHz |
| User I/O | 360 |
| Core Voltage | 2.5 V |
| I/O Voltage Support | 2.5 V, 3.3 V, 5 V |
| Process Technology | 0.25 um / 0.22 um CMOS antifuse |
| Programmability Type | One-Time Programmable (antifuse), nonvolatile |
| Speed Grade | -2 |
| Encapsulamento | 484-ball FBGA (FG484) |
| Tipo de montagem | Surface Mount |
| Temperature Grade | Industrial (I) |
Guia de Configuração de Pinos do A54SX72A-2FG484I 484-ball fbga (fg484)
Configuração de pinos para A54SX72A-2FG484I (pacote 484-ball fbga (fg484)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para A54SX72A-2FG484I.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
A54SX72A-2FG484I é adequado para 6 aplicaçãos: Industrial Control and Automation, Defense and Avionics Systems, Communications Line-Card Logic, Legacy System Obsolescence Redesign, Test and Measurement Instrumentation, Secure Embedded Controllers.
Industrial Control and Automation
The A54SX72A-2FG484I fits industrial control because its 360 user I/Os with 2.5 V, 3.3 V, and 5 V support bridge legacy 5 V backplanes and sensors that modern SRAM FPGAs cannot tolerate directly. The industrial temperature grade and nonvolatile antifuse configuration mean the logic is active at power-up with no boot device, meeting strict equipment startup requirements. In a PLC or motor-controller card, it implements glue logic, bus interfaces, and sequencing between microprocessors and power stages. The trade-off is one-time programmability, so design freezes must be verified before production programming.
Recomendado
Defense and Avionics Systems
The A54SX72A-2FG484I suits defense and avionics platforms because antifuse configuration cannot be read back or altered in the field, eliminating bitstream-interception attack surfaces inherent to SRAM FPGAs. Deterministic timing with no configuration uncertainty simplifies DO-style design assurance documentation, and the 108,000-gate capacity integrates bus interfaces, telemetry framing, and discrete I/O on a single chip. The 5 V-tolerant I/O directly interfaces legacy mil-standard signal rails. Designers must budget for one-time-programmable logistics: every design iteration consumes a new device, so simulation sign-off precedes programming.
Recomendado
Communications Line-Card Logic
In telecom and datacom line cards, the A54SX72A-2FG484I implements framer glue logic, backplane interfaces, and clock-domain crossing logic at toggle rates up to 294 MHz. The 360 I/Os fan out across dense board-level buses, and quadrant clock networks (CLKA, CLKB, QCLK per the SX-A datasheet) support per-card clock domains without excessive global clock loading. Low dynamic power of the antifuse fabric eases line-card thermal budgets compared with denser SRAM devices. The nonvolatile fabric removes configuration PROMs from the BOM, improving card reliability in always-on network equipment.
Recomendado
Legacy System Obsolescence Redesign
When obsolete PAL, GAL, or smaller CPLD clusters must be consolidated, the A54SX72A-2FG484I provides 108,000 gates of single-chip integration with 5 V-compatible I/O that interfaces directly to aging TTL-level boards. Because antifuse configuration is permanent, the redesigned board behaves identically on every power cycle, easing requalification of certified or long-lifecycle equipment such as rail, energy, and medical platforms. One design consideration: pin-migration differences between the original discrete logic and the FG484 ball map require a PCB respin, so the FPGA should be chosen early in the redesign.
Recomendado
Test and Measurement Instrumentation
Bench and ATE instruments use the A54SX72A-2FG484I for timing generators, pattern capture, and bus-interface logic. The 294 MHz toggle rating and deterministic antifuse interconnect delays allow predictable trigger and strobe alignment without software timing recalibration, since routing never changes between units. The 360 I/Os connect dense measurement channels, and 5 V-tolerant banks interface with legacy instrument front ends. Because the configuration is fixed at manufacture, calibration firmware changes are handled in an adjacent processor rather than the FPGA fabric - plan for this architectural split during design.
Recomendado
Secure Embedded Controllers
Security-conscious embedded controllers adopt the A54SX72A-2FG484I because the antifuse fabric offers no configuration readback path, protecting proprietary logic and key-handling state machines from extraction. Instant-on behavior means secure boot logic is active before any processor begins execution, enabling root-of-trust designs without an external configuration store. The 108,000-gate capacity accommodates crypto-interface wrappers and multi-bank I/O isolation. Designers should note that one-time programmability requires careful pre-silicon verification, and any security-patch update to the FPGA fabric requires board-level replacement rather than remote firmware update.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para A54SX72A-2FG484I — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | A54SX72A-2FGG484I | A54SX72A-FG484I | A54SX72A-FGG484I | |
|---|---|---|---|---|---|
| Package | 484-ball FBGA (FG484) | 484-ball FBGA - same | 484-ball FBGA - same | 484-ball FBGA - same | |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | |
| System Gates | 108000 gates | 108000 gates | 108000 gates | 108000 gates | |
| Logic Cells | 6036 | 6036 | 6036 | 6036 | |
| Max Toggle Frequency | 294 MHz | 294 MHz | 217 MHz | 217 MHz | |
| User I/O | 360 | 360 | 360 | 360 | |
| Temperature Grade | Industrial (I) | Industrial (I) | Industrial (I) | Industrial (I) | Commercial |
| Package Finish Option | Standard FG484 | Green (G) package | Standard package | Green (G) package | |
| Programmability | Antifuse, one-time programmable | Antifuse, one-time programmable | Antifuse, one-time programmable | Antifuse, one-time programmable |
Principais diferenciais
- Fastest speed grade in the 484-ball FG484 SX-A lineup (vs A54SX72A-FG484I)
- Nonvolatile antifuse configuration with no boot PROM (vs SRAM-based Xilinx/Intel FPGAs)
- 5 V-tolerant I/O banks on 360 user I/Os (vs A54SX72A-2FGG484I)
- Largest SX-A die for single-chip integration (vs A54SX32A-FGG484)
Notas de projeto
The antifuse fabric is one-time programmable: after programming, the A54SX72A-2FG484I cannot be erased or reconfigured. Complete timing simulation, functional verification, and - ideally - a prototype-programmed validation unit before committing production devices. Any design change consumes a new physical part, so order pilot quantities separately from production volume. This is the single most costly mistake in antifuse FPGA projects and is emphasized throughout Microchip's SX-A design flow documentation.
The device runs a 2.5 V core with I/O banks supporting 2.5 V, 3.3 V, and 5 V. Assign I/O standards per bank early, because bank voltage is fixed by the ball assignment and cannot be changed after programming. Antifuse fabrics draw low static power, but dynamic power scales with toggle rate - at 294 MHz on heavily used routing, budget supply decoupling with bulk and 0.1 uF ceramic capacitors at each VDD ball pair. Verify current draw in the Libero power estimator before finalizing the regulator design.
The 484-ball fine-pitch BGA requires controlled-impedance multilayer PCB fabrication with via-in-pad or dogbone fanout. Follow Microchip's FG484 package layout guidelines for ball pitch escape routing; typical fanout needs at least four signal layers plus dedicated ground and power planes. Place 0.1 uF decoupling capacitors within 2 mm of supply ball vias. For rework, the FBGA demands a BGA rework station - plan inspection with X-ray after reflow since solder joints under the package are invisible optically.
Use the CLKA, CLKB, and QCLK global and quadrant clock networks for all timing-critical signals rather than general-purpose routing, per Microchip's quadrant clocks application notes for the A54SX72A. Keep high-fanout clocks off local routing to avoid skew. For 5 V-tolerant I/O interfacing legacy buses, add series termination (22-33 ohm) on long traces to control reflections, since antifuse I/O structures lack the programmable terminations of modern SRAM FPGA banks.
Informações de conformidade
The 'G' suffix variants (e.g., A54SX72A-2FGG484I) denote Microchip green-package options; the standard FG484 package compliance status should be confirmed from the Microchip product page or datasheet.