A54SX72A-1FGG256 - 108K-Gate Antifuse FPGA, 256-FBGA | Microchip
N.º de pieza: A54SX72A-1FGG256 ✓ Activo| Cant. | Precio unitario | Total |
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| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
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| 500 | $0 | $0,00 |
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A54SX72A-1FGG256 Descripción general
An antifuse FPGA is a type of field-programmable gate array whose interconnect programming elements are one-time programmable antifuse cells. Within the programmable logic hierarchy, the A54SX72A sits at the top of the SX-A family (FPGA -> antifuse FPGA -> one-time-programmable programmable logic device), offering non-volatile configuration without a configuration boot device, which distinguishes it from SRAM-based FPGAs.
Key features include a 2.5V core supply, system performance up to 250 MHz, single-chip integration that eliminates external configuration PROMs, and the inherent security and low power of antifuse technology. Because configuration bits are burned into the silicon, the bitstream cannot be read back, providing a higher level of design IP protection than volatile architectures.
The SX-A architecture uses a sea-of-modules structure with logic modules (C-cells) and routing resources tuned for high-speed combinational and sequential functions. The 0.25 um process balances speed, power, and cost, making the family a cost-effective single-chip integration path for glue logic consolidation and system functions that would otherwise require multiple devices.
Typical applications include industrial control and automation logic, telecommunications and networking line-card functions, military/aerospace-program legacy designs, and general high-speed glue-logic integration where non-volatile, secure, single-chip programmable logic is required.
Design consideration: antifuse devices are one-time programmable, so verify the design fully in simulation and, where possible, on a lower-cost family member before committing production units; budget design iterations accordingly.
This page synthesizes distributor availability, drop-in alternatives, and practical design guidance not found in the manufacturer datasheet. Pricing is shown as of 2026-09-03.
Alternativas directas para A54SX72A-1FGG256 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con A54SX72A-1FGG256 (mismo factor de forma y huella) — difiere en Package, System Gates, Process Technology, Speed Grade, Operating Temperature.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
A54SX72A-2FGG256
✅ Sustitución directa✓ En stock
$217.72 / unidad
Ver hoja de datos →A54SX72A-1FGG256I
✅ Sustitución directa✓ En stock
$88 / unidad
Ver hoja de datos →A54SX72A-1FGG256M
✅ Sustitución directa✓ En stock
$258.66 / unidad
Ver hoja de datos →A54SX72A-1FGG256A
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
A54SX72A-2FGG256I
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$79.4 / unidad
Ver hoja de datos →A54SX72A-1FGG256 Valores máximos y características eléctricas
| Family | SX-A (Actel/Microsemi antifuse FPGA) |
| System Gates | 108000 gates |
| Typical Gates | 72000 gates |
| Logic Cells | 4024 cells |
| Configurable Logic Blocks (CLBs) | 6036 |
| User I/O | 203 |
| Maximum System Frequency | 250 MHz |
| Process Technology | 0.25 um CMOS |
| Core Supply Voltage | 2.5 V |
| Programming Technology | Antifuse (one-time programmable) |
| Speed Grade | -1 |
| Temperatura de funcionamiento | 0C to +70C (commercial) |
| Encapsulado | 256-FBGA (FPBGA-256, 17x17 mm) |
| Tipo de montaje | Surface Mount |
| Packaging | Tray |
Guía de configuración de pines de A54SX72A-1FGG256 256-fbga (fpbga-256, 17x17 mm)
Configuración de pines para A54SX72A-1FGG256 (encapsulado 256-fbga (fpbga-256, 17x17 mm)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para A54SX72A-1FGG256.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
A54SX72A-1FGG256 es adecuado para 6 aplicacións: Industrial Control and Automation, Telecommunications and Networking Line Cards, Military and Aerospace Legacy Programs, Secure Glue-Logic Consolidation, Test and Measurement Instrument Logic, Legacy Board Sustainment and Obsolescence Management.
Industrial Control and Automation
Factory automation controllers, motor-control sequencers, and PLC I/O logic benefit from the A54SX72A-1FGG256's combination of 108,000 system gates and 203 user I/O, which allows multiple discrete logic, counters, and interface functions to be consolidated into one antifuse device. Its instant-on, non-volatile configuration means the control logic is active the moment power is applied - critical for machine safety interlocks that cannot wait for a configuration load cycle. The 250 MHz system capability comfortably covers industrial timing and encoding functions, and the 0C to +70C commercial rating suits cabinet-mounted electronics. Because the bitstream is burned into antifuse elements, it cannot be read back, protecting proprietary control IP on shared factory equipment.
Recomendado
Telecommunications and Networking Line Cards
Line-card framing, multiplexing, and backplane-interface logic historically used the SX-A family for its fast, predictable antifuse routing. The A54SX72A-1FGG256 offers 108,000 system gates and 203 I/O in a space-efficient 17x17 mm 256-FBGA, enough to absorb EPLD glue logic plus channel-control functions while meeting line-card timing budgets at up to 250 MHz. The quadrant clock inputs (A, B, C, D per the Microchip SX-A datasheet) support clock domains spanning the four package quadrants, simplifying multi-clock telecom designs. Non-volatile configuration removes the boot PROM from the card, improving uptime in carrier equipment where every configuration device is a potential failure point.
Recomendado
Military and Aerospace Legacy Programs
The SX-A family has a long heritage in defense and aerospace designs, and the A54SX72A-1FGG256M military-temperature variant remains a preferred sustainment path for legacy boards. Antifuse technology tolerates radiation effects better than SRAM configuration in many applications and is immune to configuration upsets of the bitstream storage, since the programmed interconnect is physical silicon. For programs maintaining an existing 256-FBGA board layout, the -1FGG256 and its M and I suffix variants are form-fit-function compatible, so the same footprint supports flight, industrial, and commercial builds. The 0.25 um process and 2.5V core also reduce dynamic power versus older 5V programmable logic.
Recomendado
Secure Glue-Logic Consolidation
When a board combines address decoding, bus bridging, state machines, and interface adaptation, the A54SX72A-1FGG256 can integrate the whole cluster into one secure chip. Its 108,000 system gates and 4024 logic cells provide headroom, while 203 user I/O connect directly to microprocessor buses and peripherals. The antifuse bitstream cannot be dumped or cloned, so designs containing proprietary know-how - encryption glue, licensing logic, or custom bus protocols - gain real protection versus SRAM FPGAs whose configuration file is exposed in a flash device. Instant-on operation also means the glue logic is functional before a host processor completes boot, supporting power-fail and watchdog functions.
Recomendado
Test and Measurement Instrument Logic
Bench instruments and automated test equipment use the A54SX72A-1FGG256 for timing generators, trigger engines, and bus-interface control. The deterministic antifuse routing gives repeatable delays between units, which matters for calibrated instruments where unit-to-unit timing skew must be bounded. With a 250 MHz system ceiling and 203 user I/O, the device handles counters, comparators, and interface state machines in a single 17x17 mm package, freeing board area for analog front ends. Its instant-on configuration lets the instrument's digital control plane be ready during power-up self-test, and the commercial 0C to +70C rating matches typical laboratory operating envelopes.
Recomendado
Legacy Board Sustainment and Obsolescence Management
Programs supporting equipment designed around Actel/Microsemi SX-A FPGAs rely on parts like A54SX72A-1FGG256 to keep production lines alive. The verified distributor data shows active stocking at DigiKey, Mouser, Microchip USA, and Octopart-linked channels, making this one of the more procurable high-gate antifuse devices. Because the same 256-FBGA footprint is shared across -1, -2, I, and M suffixes, buyers can flex speed grade or temperature range to fill shortages without PCB rework - only reprogramming and timing re-verification are required. Last-time-buy planning should track Microchip lifecycle notices, and XAIPART quote channels can locate allocated stock during shortage windows.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para A54SX72A-1FGG256 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | A54SX72A-2FGG256 | A54SX72A-1FGG256I | A54SX72A-1FGG256M | A54SX72A-1FGG256A | A54SX72A-2FGG256I |
|---|---|---|---|---|---|---|
| Package | 256-FBGA (17x17 mm) | 256-FBGA - same | 256-FBGA - same | 256-FBGA - same | 256-FBGA - same | 256-FBGA - same |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108000 | 108000 | 108000 | 108000 | 108000 | 108000 |
| User I/O | 203 | 203 | 203 | 203 | 203 | 203 |
| Speed Grade | -1 | -2 (faster) | -1 (same) | -1 (same) | -1 (same) | -2 (faster) |
| Operating Temperature | 0C to +70C | 0C to +70C | -40C to +85C | Military range | 0C to +70C | -40C to +85C |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Max System Frequency | 250 MHz | 250 MHz (higher Fmax) | 250 MHz | 250 MHz | 250 MHz | 250 MHz (higher Fmax) |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
Diferenciadores clave
- Non-volatile antifuse configuration with no boot device (frente a SRAM-based FPGAs)
- Faster timing available without PCB change (frente a A54SX72A-1FGG256I)
- Extended temperature coverage on the same footprint (frente a A54SX72A-2FGG256)
- Trade-off: one-time programmability limits iteration (frente a SRAM-based FPGAs)
Notas de diseño
The A54SX72A is one-time programmable: once antifuse elements are burned, the device cannot be erased or reprogrammed. Complete full functional simulation and static timing closure with the correct -1 speed-grade libraries before programming production units. Budget at least one engineering iteration - program a verification unit first, and only program final devices after board-level validation passes. Also remember the four quadrant clock pins (A, B, C, D per the SX-A datasheet) must be assigned to the correct package quadrants in your place-and-route constraints.
The core operates from a 2.5V supply (0.25 um process). Estimated: with 4024 logic cells and typical antifuse static current, static power is low compared to SRAM FPGAs since no configuration bitstream storage draws standby current; dynamic power scales with clock frequency and toggle rate. Provide a clean 2.5V rail with local 0.1 uF decoupling per power pin group plus bulk 10 uF capacitance, and follow the SX-A datasheet power-supply sequencing and I/O bank voltage requirements when mixing I/O standards.
The 256-ball FBGA (17x17 mm, 1.0 mm ball pitch class) requires a correctly dimensioned land pattern and via-in-pad or dog-bone fanout. Follow IPC-compliant BGA land patterns and inspect with X-ray after reflow since balls are hidden under the package. When substituting the I or M temperature variants on the same board, no layout change is needed - the ball map is identical - but confirm solder alloy and reflow profile match the temperature-grade package specification.
With 203 user I/O at up to 250 MHz internal operation, manage simultaneous switching noise by distributing ground return balls around high-activity I/O groups and matching trace impedance to the selected I/O standard. Use series termination on fast single-ended outputs and keep quadrant clock traces short and matched length across the A/B/C/D clock inputs to minimize skew between clock domains.
Información de cumplimiento
Compliance status not captured in the verified web data. This is a legacy-oriented antifuse FPGA family; confirm RoHS/lead-free status via the Microchip product page or distributor certificate of conformance for the specific date code.
