A54SX72A-2FG256I - SX-A Antifuse FPGA 108K Gates | Microchip
N.º de pieza: A54SX72A-2FG256I ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $285 | $285,00 |
| 10 | $262 | $2.620,00 |
| 100 | $238 | $23.800,00 |
| 500 | $216 | $108.000,00 |
| 1.000 | $198 | $198.000,00 |
A54SX72A-2FG256I Descripción general
An antifuse FPGA is a one-time-programmable (OTP) programmable logic device in which configurable interconnect elements are permanently formed at programming time. In the programmable logic hierarchy, the A54SX72A sits alongside FPGA and CPLD families as a field-programmable gate array; unlike SRAM FPGAs it requires no configuration boot memory, offering instant-on operation, inherent design security against bitstream readback, and very low static power, making it a power-management-friendly alternative to SRAM-based devices.
Key features include a sea-of-modules CMOS architecture fabricated on a 0.25 um/0.22 um process, a core supply of 2.5V, and system-level toggle performance up to approximately 294 MHz. The device provides three dedicated clock networks (CLKA, CLKB, and quadrant clock QCLK), giving flexible global and regional clocking for high-performance sequential designs. The industrial I suffix qualifies the device for -40C to +85C operation.
Technical depth: the SX-A family uses a fine-grained sea-of-modules architecture with combinational and sequential modules, enabling high logic utilization. Because configuration is stored in antifuse interconnect rather than external flash, the device is immediately active at power-up with no configuration time and no external configuration PROM, reducing board BOM and improving system reliability in hostile environments.
Typical applications include industrial automation and control, communications and networking line cards, avionics and military glueless logic integration, and test equipment, where the device integrates multiple discrete logic functions into a single low-cost, secure, low-power chip.
Design consideration: because the device is one-time programmable, verify the design fully in simulation (Libero SoC design flow) before programming; spare I/O and margin in module utilization are recommended for late design changes.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para A54SX72A-2FG256I — 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-2FG256I (mismo factor de forma y huella) — difiere en Package, Operating Temperature, System Gates, Process Technology, Speed Grade.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
A54SX72A-2FGG256I
✅ Sustitución directa✓ En stock
$79.4 / unidad
Ver hoja de datos →A54SX72A-FGG256I
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Consulte el precio
Ver hoja de datos →A54SX72A-1FGG256
✅ Sustitución directa✓ En stock
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Ver hoja de datos →A54SX72A-FGG256A
✅ Sustitución directa✓ En stock
$148.4 / unidad
Ver hoja de datos →A54SX72A-FGG256M
✅ Sustitución directa✓ En stock
$136 / unidad
Ver hoja de datos →A54SX72A-FG256I
✅ Sustitución directa✓ En stock
$1054.22 / unidad
Ver hoja de datos →A54SX72A-FFGG256
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$65.8 / unidad
Ver hoja de datos →A54SX72A-2FG256I Valores máximos y características eléctricas
| Family | SX-A (Antifuse FPGA) |
| System Gates | 108000 gates |
| Typical Gates | 72K gates |
| Logic Modules (Cells) | 4024 |
| User I/O | 203 |
| Core Supply Voltage | 2.5 V |
| Maximum Toggle Frequency | 294 MHz |
| Process Technology | 0.25 um / 0.22 um CMOS |
| Programmable Type | One-Time Programmable (Antifuse) |
| Speed Grade | -2 |
| Temperatura de funcionamiento | -40C to +85C (Industrial) |
| Encapsulado | 256-Ball FBGA (17x17x1.97 mm) |
| Tipo de montaje | Surface Mount |
| Dedicated Clock Networks | CLKA, CLKB, QCLK (quadrant) |
| Configuration | Inherent (antifuse, no boot PROM) |
| Estado RoHS | Compliant |
Guía de configuración de pines de A54SX72A-2FG256I 256-ball fbga (17x17x1.97 mm)
Configuración de pines para A54SX72A-2FG256I (encapsulado 256-ball fbga (17x17x1.97 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-2FG256I.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
A54SX72A-2FG256I es adecuado para 6 aplicacións: Industrial Automation and Control, Communications and Networking Line Cards, Avionics and Defense Systems, Test and Measurement Equipment, Design-Secure Single-Chip Logic Integration, Low-Power Embedded Systems.
Industrial Automation and Control
The A54SX72A-2FG256I fits factory automation boards that must integrate PLC glue logic, encoder interfaces, and fieldbus protocol bridging into one device. Its 108K system gates and 203 user I/Os absorb multiple 74xx-class devices and CPLDs, while the industrial -40C to +85C rating covers unconditioned cabinet environments. Because the antifuse configuration needs no boot PROM, the FPGA is active within nanoseconds of power-up, supporting deterministic start-up of safety-adjacent control sequences. Place the 2.5V core rail with local 0.1 uF and bulk 10 uF decoupling; the very low static current means thermal design is trivial compared with SRAM FPGAs of similar capacity, simplifying sealed, fanless enclosure designs.
Recomendado
Communications and Networking Line Cards
Networking line cards benefit from the A54SX72A-2FG256I's combination of ~294 MHz toggle capability, three clock domains (CLKA, CLKB, quadrant QCLK), and 203 I/Os for backplane and PHY interfacing. The -2 speed grade provides the faster worst-case timing corners needed for pipeline stages in framing, multiplexing, and protocol adaptation logic. Because the antifuse fabric has no configuration readback path, the device provides inherent bitstream security - valuable in carrier equipment subject to design-theft concerns. Its instant-on operation also means links initialize without waiting for FPGA configuration, reducing overall system boot time in chassis-based platforms with watchdog timing constraints.
Recomendado
Avionics and Defense Systems
Avionics and defense subsystems adopt the A54SX72A-2FG256I where one-time-programmable, configuration-free logic reduces single points of failure: there is no external configuration flash to corrupt under vibration or radiation events. The A temperature-screened sibling A54SX72A-FGG256A and military-grade A54SX72A-FGG256M occupy the same 256-ball FBGA footprint, allowing a single PCB layout to serve commercial, automotive-screened, and full military build standards. With 72K usable gates, the device integrates ARINC/MIL-STD bus glue logic, discrete-to-digital conversion, and voter circuits. Designers should verify screening level requirements early, since antifuse parts cannot be reprogrammed after assembly-level changes.
Recomendado
Test and Measurement Equipment
Bench instruments and automated test equipment use the A54SX72A-2FG256I as timing-generator, trigger-matrix, and bus-interface logic. The 294 MHz toggle capability supports high-resolution event timing, while three clock networks allow independent timebases for measurement channels and host interface logic. Industrial temperature rating and instant-on antifuse configuration eliminate instrument warm-up delays caused by FPGA boot, so measurements begin as soon as power is applied. The low static power of antifuse fabric keeps self-heating minimal, protecting measurement accuracy in the 17x17 mm FBGA. Integrate the device with precision ADC front ends and MCU host controllers to consolidate acquisition logic into one secure, single-chip solution.
Recomendado
Design-Secure Single-Chip Logic Integration
For systems where intellectual-property protection is paramount, the A54SX72A-2FG256I offers architectural security that SRAM FPGAs cannot match: configuration is stored as physical antifuse connections, so there is no bitstream in external memory to intercept and no readback mechanism to attack. OEMs consolidating multiple ASSP and glue-logic functions into a single chip use the 108K system gates to create proprietary integration that competitors cannot clone by dumping configuration data. The 256-ball FBGA (17x17 mm) provides a compact footprint for embedded controllers, and the very low quiescent current suits battery-backed and always-on secure modules where standby power is budgeted in milliwatts.
Recomendado
Low-Power Embedded Systems
Battery-backed and energy-harvesting embedded systems choose the A54SX72A-2FG256I because antifuse FPGAs draw near-zero static current - unlike SRAM FPGAs, which dissipate continuous standby power to retain configuration. The 2.5V core and absence of a configuration flash further cut BOM count and quiescent load. With 72K usable gates, designers can implement power-sequencing controllers, interface bridging, and wake-up logic that remains active while main processors sleep. The industrial temperature grade covers outdoor telemetry nodes, and the 17x17 mm 256-ball FBGA suits compact layouts. Estimated dynamic power should be modeled with Microchip's power tools since antifuse devices have no configuration-related baseline draw.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para A54SX72A-2FG256I — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | A54SX72A-2FGG256I | A54SX72A-FGG256I | A54SX72A-1FGG256 | A54SX72A-FGG256M |
|---|---|---|---|---|---|
| Package | 256-Ball FBGA (17x17 mm) | 256-Ball FBGA - same | 256-Ball FBGA - same | 256-Ball FBGA - same | 256-Ball FBGA - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108K | 108K | 108K | 108K | 108K |
| User I/O | 203 | 203 | 203 | 203 | 203 |
| Speed Grade | -2 | -2 | Standard | -1 | Standard |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Packaging Type | RoHS (non-G suffix) / Tray | RoHS green / Tray | RoHS green / Tray | RoHS green / Tray | RoHS green / Tray |
Diferenciadores clave
- Fastest widely stocked -2 speed grade in the 256 FBGA industrial option (frente a A54SX72A-1FGG256)
- Configuration-free instant-on operation (frente a SRAM FPGAs of similar density)
- Trade-off: one-time programmability (frente a A54SX72A-2FGG256I (same die))
Notas de diseño
The A54SX72A-2FG256I is one-time programmable: antifuse interconnect is permanently set at programming time. Complete RTL simulation, static timing analysis against the -2 speed file in the Microchip Libero SoC flow, and board-level signal-integrity review BEFORE programming production devices. Reserve margin in module utilization and I/O count for late design changes, since a design fix requires a new programmed device. There is no in-system reconfiguration path and no bitstream readback - which is a security feature but eliminates field updates.
Power the 2.5V core rail with local 0.1 uF ceramic decoupling at VDD ball pairs and bulk 10 uF near the device. Estimated: antifuse FPGAs have near-zero static current because there is no configuration SRAM to retain; dynamic current scales with toggle rate and should be modeled with Microchip power estimation tools using your post-place-and-route netlist. Verify the I/O bank supply rails in the SX-A datasheet power section before finalizing the power tree, and sequence supplies per the datasheet recommendation.
For the 256-ball FBGA (1.0 mm pitch, 17x17 mm), use a conventional BGA fanout with via-in-pad or dog-bone escapes on the outer two ball rows and route inner rows to internal layers. Dedicated clock pins CLKA, CLKB, and QCLK must be driven from clean, low-jitter sources with series termination near the driver; per Microchip application notes on A54SX72A quadrant clocks, QCLK resources clock only the quadrant they serve - partition your clocking plan accordingly. Follow JTAG ball connections per the SX-A datasheet for boundary-scan chain integrity.
Información de cumplimiento
Newark listing states 'ROHS COMPLIANT: YES' for the A54SX72A-2FG256I (256 PBGA 17x17x1.97 mm, tray). The G-suffix variants (e.g., A54SX72A-2FGG256I) are the explicitly RoHS-green packaging options.
