A54SX72A-1FG256M - 108K-Gate Antifuse FPGA, 256-FBGA | Microchip
N.º da peça: A54SX72A-1FG256M ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $89.5 | $89,50 |
| 10 | $82.1 | $821,00 |
| 100 | $74.9 | $7.490,00 |
| 500 | $68.4 | $34.200,00 |
| 1.000 | $62.75 | $62.750,00 |
A54SX72A-1FG256M Visão geral
An antifuse FPGA is a type of field-programmable gate array in which the interconnect programming elements are one-time-programmable antifuse cells. Unlike SRAM-based FPGAs, an antifuse FPGA requires no external configuration ROM, configures in milliseconds at power-up, and offers inherently high resistance to radiation and bit-stream theft, making the technology a subset of one-time-programmable programmable logic within the broader power-management-free, low-risk FPGA hierarchy.
Key features include a 0.25 um process operating from a 2.5V core supply, single-chip integration that removes the cost of configuration devices, and the security and low power inherent to antifuse interconnect. The 203 available I/O support multiple voltage-referenced standards, and the -1 speed grade balances performance with availability for long-lifecycle programs.
Architecturally, the SX-A fabric combines C-cells (combinatorial logic) and R-cells (sequential logic) with a segmented routing mesh programmed by metal-to-metal antifuse links, delivering fast, deterministic interconnect delays suitable for high-speed state machines and glue logic consolidation.
Typical applications include aerospace and defense logic replacement, industrial control, communications line cards, and obsolescence mitigation where a one-time-programmable, configuration-free FPGA is preferred.
Design consideration: as a one-time-programmable device, verify the design fully in simulation and, where practical, prototype on the -2 speed grade or PQ208 variant before committing production devices.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para A54SX72A-1FG256M — 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-1FG256M (mesmo formato e footprint) — diferindo em Package, System Gates, Process Technology, Speed Grade, Operating Temperature.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
A54SX72A-FG256M
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →A54SX72A-1FGG256M
✅ Drop-In✓ Em estoque
$258.66 / unidade
Ver ficha técnica →A54SX72A-1FGG256I
✅ Drop-In✓ Em estoque
$88 / unidade
Ver ficha técnica →A54SX72A-2FG256
✅ Drop-In✓ Em estoque
$96.5 / unidade
Ver ficha técnica →A54SX72A-2FG256I
✅ Drop-In✓ Em estoque
$198 / unidade
Ver ficha técnica →A54SX72A-2FGG256I
✅ Drop-In✓ Em estoque
$79.4 / unidade
Ver ficha técnica →A54SX72A-FGG256M
✅ Drop-In✓ Em estoque
$136 / unidade
Ver ficha técnica →A54SX72A-1FG256M Classificações máximas e características elétricas
| Family | SX-A (Antifuse FPGA) |
| System Gates | 108,000 |
| Typical Gates | 72,000 |
| Module Cells | 4,024 |
| Number of I/O | 203 |
| Tensão de alimentação | 2.25 V to 2.75 V (2.5 V nominal core) |
| Maximum System Frequency | 250 MHz |
| Process Technology | 0.25 um |
| Programming Type | One-Time Programmable (Antifuse) |
| Speed Grade | -1 |
| Temperatura de operação | -55C to +125C (TC) |
| Encapsulamento | 256-FBGA (17x17 mm) |
| Tipo de montagem | Surface Mount |
| Packaging | Tray |
| Status RoHS | RoHS3 Compliant |
| Manufacturer Lead Time | 20 weeks |
| Product Status | Active |
Guia de Configuração de Pinos do A54SX72A-1FG256M 256-fbga (17x17 mm)
Configuração de pinos para A54SX72A-1FG256M (pacote 256-fbga (17x17 mm)). 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-1FG256M.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
A54SX72A-1FG256M é adequado para 6 aplicaçãos: Aerospace and Defense Logic, Industrial Control and Automation, Communications Line Cards, Obsolescence Mitigation / Legacy Redesign, Secure / Anti-Cloning Systems, Test and Measurement Instrumentation.
Aerospace and Defense Logic
The A54SX72A-1FG256M fits aerospace and defense payloads because its antifuse fabric is inherently radiation-tolerant in configuration (no bitstream can be upset in external memory) and the M-suffix package is rated from -55C to +125C, covering MIL-temperature programs. With 108,000 system gates and 203 user I/O, it consolidates glue logic, bus interfaces, and state machines that were previously multiple ASICs or SSI/MSI parts. Because it is one-time programmable and configures in milliseconds at power-up, no configuration PROM is needed on orbit or in flight hardware, reducing BOM count and single-point failure sources. Designers should implement triple-module redundancy in logic for SEU mitigation where required, and reserve the faster -2 speed grade for time-critical interfaces.
Recomendado
Industrial Control and Automation
In industrial controllers, the A54SX72A-1FG256M replaces multiple discrete logic devices with a single 256-FBGA chip, cutting board area and assembly cost. The 2.5V core supply keeps power low, important for fanless PLC modules and distributed I/O nodes, while 203 I/O lines handle parallel sensor, encoder, and actuator interfaces without external fanout. Its deterministic antifuse interconnect delivers consistent timing across units - valuable in motion control and safety-related sequencing where SRAM-FPGA configuration variability is undesirable. The -1 speed grade comfortably handles typical 20-50 MHz industrial state machines. Designers should budget a 2.5V regulator and level-shift circuitry for 3.3V or 5V field signals, and use the wide -55C to +125C M-grade rating for outdoor and unconditioned cabinets.
Recomendado
Communications Line Cards
Telecom and datacom line cards benefit from the A54SX72A-1FG256M's 250 MHz-class fabric performance and large I/O count for backplane interface logic, framer glue, and protocol bridging. The segmented antifuse routing provides short, predictable interconnect delays, helping close timing on TDM and packet-processing pipelines without the timing closure iterations common on larger SRAM devices. Instant-on configuration means the card is active within milliseconds of power application, simplifying hot-swap sequencing at the shelf level. With the M temperature rating, cards qualify for central-office and outside-plant equipment alike. Place the FPGA near the backplane connector to minimize trace lengths on the parallel 203-I/O banks and decouple each supply ball pair with 0.1 uF ceramics.
Recomendado
Obsolescence Mitigation / Legacy Redesign
A primary use of the A54SX72A-1FG256M today is sustaining legacy Actel SX-A designs whose original devices are exhausted. Because the -1FG256M remains active per Microchip and distributor listings, it serves as the form-fit-function continuation part for existing programmed designs - provided the design netlist is reprogrammed using Microchip Libero/Designer tools and an approved programmer. Its one-time-programmable nature means replacement boards must be programmed at production or via a programming house, not reconfigured in the field. The 20-week manufacturer lead time argues for lifecycle buys; XAIPART stocks same-package variants to bridge gaps. Verify speed-grade timing tables against the original design's constraints before committing to the -1 grade.
Recomendado
Secure / Anti-Cloning Systems
Systems requiring bitstream security - license enforcement modules, encrypted key storage wrappers, anti-counterfeit authentication logic - exploit the antifuse FPGA's inability to be read back. The A54SX72A-1FG256M stores configuration entirely in internal metal antifuse links; there is no external flash to dump and no JTAG readback of the programmed design, raising the effort bar for IP theft far above SRAM FPGAs. The 108K-gate capacity is sufficient for AES wrappers, challenge-response engines, and board-ID logic. Because programming is permanent, incorporate a security review and simulation sign-off step before committing silicon, and reserve unprogrammed devices in a controlled inventory. The M-grade temperature range also suits tamper-exposed outdoor installations.
Recomendado
Test and Measurement Instrumentation
Bench and automated test equipment uses the A54SX72A-1FG256M for deterministic trigger logic, counter/timer arrays, and bus-interface glue where jitter and latency consistency matter. Antifuse interconnect gives every production unit identical propagation delay, simplifying calibration across a fleet of instruments - an advantage over process-variation-prone ASICs and configurable SRAM routing. The 203 I/O support dense parallel capture to FPGA-hosted comparators, and the 250 MHz-class fabric handles fast event counting. Because instruments operate in conditioned environments, the commercial-range -2 variants are also viable where maximum speed is needed. Decouple the 2.5V core aggressively and keep clock balls on matched-length traces to preserve setup margins.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para A54SX72A-1FG256M — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | A54SX72A-FG256M | A54SX72A-1FGG256M | A54SX72A-2FG256 | A54SX72A-2FGG256I |
|---|---|---|---|---|---|
| Package | 256-FBGA (17x17 mm) | 256-FBGA - same | 256-FBGA (GG variant) - same footprint | 256-FBGA - same | 256-FBGA (GG variant) - same footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108,000 | 108,000 | 108,000 | 108,000 | 108,000 |
| User I/O | 203 | 203 | 203 | 203 | 203 |
| Supply Voltage | 2.25 V to 2.75 V (2.5 V nominal) | 2.25 V to 2.75 V | 2.25 V to 2.75 V | 2.25 V to 2.75 V | 2.25 V to 2.75 V |
| Programming Type | Antifuse (One-Time Programmable) | Antifuse | Antifuse | Antifuse | Antifuse |
Principais diferenciais
- Instant-on, configuration-free startup (vs A54SX72A-2FG256)
- Extended temperature range (vs A54SX72A-2FG256I)
- Cost-optimized speed grade (vs A54SX72A-2FG256)
- Inherent bitstream security (vs SRAM FPGAs (e.g., Artix-7))
Notas de projeto
The A54SX72A-1FG256M requires a regulated 2.5V core supply (2.25V-2.75V range per distributor data). Unlike SRAM FPGAs, antifuse devices draw no configuration surge at power-up, so the regulator only needs to handle steady-state logic current plus I/O loading. Provide at least one 10 uF bulk capacitor per supply domain and 0.1 uF ceramics at supply ball pairs. Because the device is one-time programmable, an out-of-range supply during programming can permanently damage antifuse links - verify rail accuracy to within 5% before programming.
This is a one-time-programmable device: a flawed bitstream cannot be corrected in the field. Complete gate-level simulation, timing verification against the -1 speed-grade tables in the SX-A datasheet, and ideally prototype on the faster -2 grade or a lower-cost PQ208 variant before committing FG256M production units. Also note quadrant clock pins A, B, C, and D are used only on the A54SX72A; map global clocks deliberately in Libero to avoid skew surprises.
The 256-FBGA (17x17 mm) with 203 signal balls typically requires at least a 4-layer board with via-in-pad or dog-bone fanout on 0.8-1.0 mm ball pitch. Route the four quadrant clock inputs (A, B, C, D - bottom-left, bottom-right, top-left, top-right per the SX-A datasheet) as matched-length traces from a low-jitter source. Follow Microchip's SX-A PCB layout guidelines for the fine-pitch (GG) variants if footprint reuse is planned, since ball pitch may differ between FG and FGG packages.
Estimated: at a typical 20-50 MHz industrial design consuming roughly 300-500 mW core plus I/O power, junction rise in the 256-FBGA over a standard 4-layer board stays modest; the -55C to +125C M-grade rating gives wide margin. For high-utilization designs near 250 MHz, compute actual power with the Microchip SX-A power calculator and confirm junction temperature stays within the derated limit of the chosen temperature grade.
Informações de conformidade
RoHS3 compliant and lead-free per Microchip USA listing for the A54SX72A-1FGG256M variant of this package; REACH/halogen status not stated in provided data.
