A54SX32-1BGG329I - SX FPGA 48K Gates 329-BGA | Microchip
N.º de pieza: A54SX32-1BGG329I ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $68.5 | $68,50 |
| 10 | $62.4 | $624,00 |
| 100 | $56.9 | $5.690,00 |
| 500 | $52.1 | $26.050,00 |
| 1.000 | $47.8 | $47.800,00 |
A54SX32-1BGG329I Descripción general
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing configurable logic blocks and interconnects that the designer programs after manufacturing. The SX family belongs to the one-time-programmable antifuse FPGA class, which sits within the broader programmable logic hierarchy: FPGA -> programmable logic IC -> programmable semiconductor. Unlike SRAM FPGAs, antifuse devices retain their configuration permanently, are inherently resistant to configuration readback, and require no external boot configuration memory.
Key features include the sea-of-modules architecture that delivers high-performance, high-integration implementation with lower design cost and power consumption than SRAM-based alternatives, 1800 logic cells (2880 configurable logic modules), dual 3.3V/5V I/O compatibility, and the -1 speed grade supporting up to 280 MHz. The 329-ball BGA provides high I/O density for bus-intensive designs while remaining reworkable with standard BGA assembly processes.
Technically, the SX family is fabricated on a 0.35 um CMOS process optimized for predictable timing. Because routing is fixed by the antifuse fabric, timing after programming closely matches pre-programming simulation, which simplifies sign-off in high-reliability systems. The device is programmed once using Microchip (formerly Actel/Microsemi) programmer hardware and design tools, then behaves as an ASIC-like fixed-logic device.
Typical applications include industrial control and automation, communication and networking interface logic, glueless bus bridging, military/aerospace heritage systems requiring configuration security, and test equipment where deterministic timing is essential.
Design consideration: antifuse FPGAs are one-time programmable - verify the design fully in simulation and timing analysis before programming, since a design change requires a new device.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para A54SX32-1BGG329I — 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 A54SX32-1BGG329I (mismo factor de forma y huella) — difiere en Package, System Gates, Family, Programming Technology, RoHS Status.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
A54SX32-2BGG329I
✅ Sustitución directa✓ En stock
$88.9 / unidad
Ver hoja de datos →A54SX32-1BGG329
✅ Sustitución directa✓ En stock
$544.99 / unidad
Ver hoja de datos →A54SX32-BGG329
✅ Sustitución directa✓ En stock
$515.58 / unidad
Ver hoja de datos →A54SX32A-1BGG329I
✅ Sustitución directa✓ En stock
$57.8 / unidad
Ver hoja de datos →A54SX32-1BG329
✅ Sustitución directa✓ En stock
$584.53 / unidad
Ver hoja de datos →A54SX32-1BGG329I Valores máximos y características eléctricas
| Family | Actel SX (54SX) |
| System Gates | 48000 |
| Equivalent Gates | 32000 |
| Logic Cells | 1800 |
| Configurable Logic Modules | 2880 |
| User I/O | 249 |
| Maximum System Frequency | 280 MHz |
| Speed Grade | -1 |
| Technology | 0.35 um CMOS |
| Tensión de alimentación | 3.3 V / 5 V |
| Encapsulado | 329-BBGA, 1.27 mm ball pitch |
| Tipo de montaje | Surface Mount |
| Temperatura de funcionamiento | -40C to +85C (Industrial) |
| Programming Type | One-Time Programmable (Antifuse) |
| Estado RoHS | Compliant |
| Lead Free Status | Lead Free |
Guía de configuración de pines de A54SX32-1BGG329I 329-bbga, 1.27 mm ball pitch
Configuración de pines para A54SX32-1BGG329I (encapsulado 329-bbga, 1.27 mm ball pitch). 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 A54SX32-1BGG329I.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
A54SX32-1BGG329I es adecuado para 6 aplicacións: Industrial Control and Automation, Networking and Communication Interface Logic, Aerospace and Defense Heritage Systems, Test and Measurement Equipment, Legacy System Sustainment and Obsolescence Management, Bus Bridging and Glueless Integration.
Industrial Control and Automation
The A54SX32-1BGG329I fits industrial control systems because its -40C to +85C industrial temperature grade, deterministic antifuse timing, and 249 user I/O cover the broad ambient swings and dense I/O typical of PLC backplanes, motor-control sequencers, and factory I/O modules. Its sea-of-modules architecture consolidates glue logic, bus arbitration, and state machines into one 48K-gate device, reducing board area and power versus discrete 74-series implementations. Because programming is one-time, the configured logic behaves like fixed ASIC logic with no configuration boot delay, so control outputs are valid within microseconds of power-up. Use the 3.3V/5V I/O support to interface directly with legacy 5V industrial sensors and drivers. Designers should budget one device per production unit since reprogramming after deployment is impossible.
Recomendado
Networking and Communication Interface Logic
In networking hardware, the A54SX32-1BGG329I serves as protocol bridging, line-card glue logic, and backplane interface logic at up to 280 MHz system performance. Its 249 I/O in a high-density 329-ball BGA accommodates wide parallel buses, multi-port routing tables, and control/status fan-out that would otherwise require several CPLDs. Deterministic antifuse routing makes timing closure predictable for fixed-latency path designs, an advantage in telecom systems requiring bounded delay. The 3.3V/5V mixed I/O support eases integration of modern PHY chips with legacy 5V line-card logic. Because the device is one-time programmable and lacks configuration readback, it adds a hardware-security benefit in carrier infrastructure where configuration IP protection is a concern. Verify I/O standards and drive currents against the 54SX datasheet tables before layout.
Recomendado
Aerospace and Defense Heritage Systems
The Actel SX family is widely deployed in defense and aerospace heritage platforms where configuration security, instant-on behavior, and radiation-tolerant design heritage matter. The A54SX32-1BGG329I's antifuse fabric cannot be read back or altered in the field, protecting design IP, and it requires no configuration PROM, eliminating a common single-point failure and reducing BOM count in sealed or space-constrained assemblies. Its fixed routing yields post-program timing that closely matches simulation, simplifying qualification of deterministic payload, telemetry, and avionics interface logic. Industrial temperature rating of -40C to +85C covers many ground-based and airborne environments. For new space programs, Microchip's RTAX radiation-tolerant families on XAIPART (e.g., RTAX2000S) extend this antifuse philosophy; for legacy sustainment, the A54SX32 family remains the form-fit-function reference.
Recomendado
Test and Measurement Equipment
Bench instruments and automated test equipment (ATE) use the A54SX32-1BGG329I as timing generators, trigger logic, and bus controllers where deterministic, repeatable timing is essential. The 280 MHz -1 speed grade and fixed antifuse interconnect give every programmed unit identical delay characteristics - valuable when calibrating instruments or swapping field-replaceable logic boards. The 249 user I/O fan out to front-panel connectors, ADC/DAC control buses, and host interfaces, consolidating control logic that historically filled several devices. The 3.3V/5V I/O compatibility interfaces with both modern 3.3V instrument chipsets and legacy 5V TTL test fixtures common in production test racks. Industrial temperature operation supports uncooled rack environments. Because designs cannot be reprogrammed in the field, validate firmware fully before production programming.
Recomendado
Legacy System Sustainment and Obsolescence Management
The primary modern use of the A54SX32-1BGG329I is sustaining deployed systems originally designed around the Actel SX family. Because the 329-ball footprint is shared across A54SX32 speed/temperature grades and the pin-compatible SX-A variant (A54SX32A-1BGG329I), procurement teams can re-source boards without PCB respin when the exact speed grade or temperature grade becomes allocation-constrained. The one-time-programmable fabric also means fielded units cannot drift from their certified configuration - a common requirement in certified medical, transportation, and utility control equipment. Keep programming files, programmer access, and a strategic device buffer, since the 0.35 um process is mature and Microchip product lifecycles should be monitored. Document the drop-in substitution matrix (speed grade, temperature grade, green package) in the configuration management plan.
Recomendado
Bus Bridging and Glueless Integration
Embedded systems frequently need to bridge mismatched buses - PCI-style local buses to proprietary backplanes, or 5V peripheral buses to 3.3V processors. The A54SX32-1BGG329I performs this role gluelessly: its 249 I/O with 3.3V/5V operation eliminates external level-shifters on 5V segments, and 2880 configurable logic modules implement wait-state generators, byte-swap logic, interrupt controllers, and address decoding within one device. Deterministic antifuse routing guarantees fixed decode and handshaking latencies, which simplifies driver timing assumptions in real-time operating systems. Instant-on configuration means the bridge is active before the host processor completes reset, avoiding boot-order dependencies. Designers should confirm per-bank I/O loading and slew requirements against the 54SX datasheet, and reserve spare I/O for debug taps before programming, since the device cannot be altered afterward.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para A54SX32-1BGG329I — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | A54SX32-2BGG329I | A54SX32A-1BGG329I | A54SX32-BGG329 |
|---|---|---|---|---|
| Package | 329-BBGA (1.27 mm pitch) | 329-BBGA - same | PBGA329 (1.27 mm) - same | 329-BBGA - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48000 | 48000 | 48000 | 48000 |
| User I/O | 249 | 249 | 249 | 249 |
| Max System Frequency | 280 MHz (-1 speed grade) | faster (-2 speed grade) | ~278 MHz | 240 MHz (standard) |
| RoHS / Lead Free | Compliant / Lead Free | Compliant / Lead Free (GG) | Compliant / Lead Free (GG) | Non-green (leaded ball) variant |
| Architecture / Fabric | SX antifuse, 0.35 um CMOS, OTP | SX antifuse, 0.35 um CMOS, OTP | SX-A enhanced antifuse, OTP | SX antifuse, 0.35 um CMOS, OTP |
Diferenciadores clave
- One-time-programmable configuration security (frente a A54SX32A-1BGG329I (SX-A))
- Highest speed option in same footprint via -2 grade (frente a A54SX32-2BGG329I)
- Industrial temperature at lower cost than full redesign (frente a A54SX32-1BGG329)
Notas de diseño
The A54SX32-1BGG329I is one-time programmable (antifuse). There is no field rework: a design change requires a physically new device. Complete all functional verification in simulation, run static timing analysis against the -1 speed grade tables in the Microchip 54SX datasheet, and freeze the netlist before submitting devices to programming. Reserve a margin of unused I/O and logic (at least 10-15%) in the design for late ECOs, and archive the programming bitstream plus programmer setup with your configuration-management records.
The SX family is prized for low static power because antifuse interconnect draws no configuration current, unlike SRAM FPGAs. Supply the core and I/O per the datasheet 3.3V/5V requirements with 0.1 uF ceramic decoupling at each supply pin pair and bulk 10 uF capacitance near the BGA. Power dissipation is design-dependent (frequency, I/O toggling, loading); use Microchip's SX power calculator/spreadsheet referenced in the family documentation, then verify junction temperature against the industrial -40C to +85C ambient rating with the 329-BBGA thermal resistance from the datasheet package section.
Design the 329-ball land pattern to the 1.27 mm pitch BGA outline in the 54SX datasheet package drawing. Use an via-in-pad or dogbone escape strategy on outer rows and route inner-row balls out on internal layers; a 4-6 layer board is typically sufficient for this pin count. Because the GG package is lead-free, match your reflow profile to SAC solder paste limits and confirm MSL handling per the shipping label. Keep trace impedance and stub lengths controlled for the 280 MHz-capable clock paths, and place series termination on high-fanout outputs per datasheet I/O drive characteristics.
Información de cumplimiento
RoHS Compliant and Lead Free status confirmed by DigiKey/digchip distributor data; GG suffix denotes green lead-free BGA ball metallization. REACH, halogen-free, and conflict-minerals status not stated in provided data.
