A54SX32-BG329I - 48K Gate SX FPGA 329-BGA | Microchip
N.º de pieza: A54SX32-BG329I ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $730.67 | $730,67 |
| 10 | $680 | $6.800,00 |
| 100 | $620 | $62.000,00 |
| 500 | $590 | $295.000,00 |
| 1.000 | $560 | $560.000,00 |
A54SX32-BG329I Descripción general
An antifuse FPGA is a type of field programmable gate array whose interconnect is permanently programmed at power-up programming time: unlike SRAM-based FPGAs from Xilinx or Intel (Altera), the SX family stores its configuration in one-time-programmable antifuse elements, so the device is non-volatile, requires no external configuration ROM, and is inherently resistant to configuration upset - a key reason antifuse FPGAs remain popular in military, aerospace, and industrial systems. Within the power management hierarchy of system logic devices, the SX sits in the one-time-programmable FPGA class alongside Microchip's newer ProASIC and RTAX families.
Key features include the sea-of-modules architecture delivering high-speed, low-jitter interconnect; dual voltage support of 3.3V core with 5V-tolerant I/O capability (3.3V/5V per FindIC data); 0.35 um CMOS process technology; and 2880 combinatorial logic blocks (CLBs) equivalent cells. The 249 user I/O in the 329-ball package gives high pin utilization for wide bus interfaces.
Technical depth: the SX sea-of-modules architecture shortens routing delays versus channel-based architectures, enabling consistent propagation performance. Because programming is one-time, designers validate the bitstream once and gain the supply-chain and security benefits of a fixed-function device without configuration-boot time.
Typical applications include aerospace and defense control logic, industrial automation controllers, communication bridge logic, and glueless interface integration in legacy systems where SRAM FPGA volatility is undesirable.
Design consideration: antifuse devices cannot be reprogrammed - a design change requires a new physical part, so thorough simulation and a proven programming flow (Libero/Designer software) are essential before committing.
This page synthesizes distributor pricing (Octopart, Mouser, Heisener), same-family drop-in package alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Alternativas directas para A54SX32-BG329I — 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-BG329I (mismo factor de forma y huella) — difiere en Package, System Gates, Family, Supply Voltage, RoHS Status.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
A54SX32-BGG329I
✅ Sustitución directa✓ En stock
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Ver hoja de datos →A54SX32-BG329
✅ Sustitución directa✓ En stock
$510 / unidad
Ver hoja de datos →A54SX32A-2BGG329I
✅ Sustitución directa✓ En stock
$95 / unidad
Ver hoja de datos →A54SX32-1BGG329I
✅ Sustitución directa✓ En stock
$47.8 / unidad
Ver hoja de datos →A54SX32-2BGG329I
✅ Sustitución directa✓ En stock
$88.9 / unidad
Ver hoja de datos →A54SX32-2BGG329
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Ver hoja de datos →A54SX32-BG329I Valores máximos y características eléctricas
| Family | Actel SX (AXcelerator predecessor SX series) |
| System Gates | 48000 gates (48K) |
| Logic Cells | 1800 cells |
| Combinatorial Logic Blocks (CLBs) | 2880 |
| User I/O | 249 |
| Maximum System Frequency | 240 MHz |
| Process Technology | 0.35 um CMOS |
| Tensión de alimentación | 3.3 V / 5 V |
| Programming Technology | Antifuse (one-time programmable, non-volatile) |
| Encapsulado | 329-BBGA, 1.27 mm ball pitch |
| Tipo de montaje | Surface Mount |
| Estado RoHS | RoHS compliant (per FindIC listing for family members) |
| Configuration Memory | Non-volatile antifuse (no external configuration device required) |
Guía de configuración de pines de A54SX32-BG329I 329-bbga, 1.27 mm ball pitch
Configuración de pines para A54SX32-BG329I (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-BG329I.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
A54SX32-BG329I es adecuado para 6 aplicacións: Aerospace and Defense Control Logic, Industrial Automation Controllers, Legacy Communication Bridge Logic, Avionics Retrofit and Obsolescence Management, Test and Measurement Instrument Logic, Secure and Anti-Tamper System Logic.
Aerospace and Defense Control Logic
The A54SX32-BG329I fits aerospace and defense control logic because its antifuse configuration is one-time-programmable and non-volatile: there is no configuration bitstream to upset in radiation environments, no boot time on power-up, and no external configuration ROM that can fail at temperature extremes. The 48K gate / 1800 cell capacity integrates sequencers, bus interfaces, and watchdog logic that previously required multiple PAL/GAL devices, while the 249 user I/O supports wide 16/32-bit military data buses. Circuit-wise, the device typically sits between a processor and backplane drivers, clocked at tens of MHz well within its ~240 MHz architecture capability. The trade-off is one-time programmability - flying programs must bank validated fusemaps and spare programmed devices, since in-field reconfiguration is impossible.
Recomendado
Industrial Automation Controllers
In industrial automation, the A54SX32-BG329I integrates PLC I/O scanning logic, encoder interfaces, and interlock sequencing with instant-on operation: because antifuse configuration is hard-wired, the FPGA is functional within microseconds of power application - valuable for safety interlocks that must be active before the host processor boots. The 3.3V/5V I/O support lets it directly interface with legacy 5V TTL industrial signals, and the 249 I/O count covers dense terminal I/O in the 329-ball BGA with 1.27 mm pitch that survives vibration better than fine-pitch QFP leads. Designers should budget for the fixed-logic workflow: any logic change requires reprogramming a new physical device, so maintain programmed spares. Its ~240 MHz capability comfortably handles multi-channel PWM and quadrature decoding tasks.
Recomendado
Legacy Communication Bridge Logic
The A54SX32-BG329I serves as glueless bridge logic in legacy communication equipment, translating between protocol interfaces such as parallel backplane buses and serial links. The sea-of-modules architecture keeps routing delays short and consistent, so wide parallel buses at moderate clock rates meet timing without hand-tuned placement - a practical advantage for sustaining designs originally captured in the Actel Designer flow. Its 5V-tolerant I/O directly connects to older line-card circuitry without level shifters, reducing BOM count, and the non-volatile antifuse configuration means cards power up ready on a live backplane with no configuration window. The key consideration is end-of-life planning: pair this device in sustaining programs with a documented migration path to the SX-A or ProASIC families if new volumes are needed.
Recomendado
Avionics Retrofit and Obsolescence Management
For avionics retrofit programs, the A54SX32-BG329I is a direct replacement source for obsolete Actel SX32 devices already designed into flight hardware. Because the same die and 329-ball BGA footprint are maintained across the SX family (BG329 and green BGG329 suffixes), retrofit boards can keep the original land pattern and swap in newly programmed devices after re-verifying lot data. The 1800-cell capacity matches the historical design capture, and Microchip's Libero/Designer toolchain still supports SX place-and-route and fusemap generation, so original HDL or schematic sources can be recompiled if needed. Program managers should qualify the RoHS BGG variant when environmental compliance is required, and stock factory-fresh devices since programming yield on antifuse parts is not 100 percent.
Recomendado
Test and Measurement Instrument Logic
In test and measurement instruments, the A54SX32-BG329I implements timing generators, trigger logic, and counter/timer arrays where deterministic, repeatable timing matters more than reconfigurability. The antifuse architecture delivers fixed interconnect delays run-to-run and unit-to-unit, which simplifies instrument calibration: a trigger path characterized on one unit behaves identically on the next, unlike SRAM FPGAs whose routing varies only at design time but whose configuration integrity must be checked at boot. With 249 user I/O in the 329-ball BGA, front-end channel banks, calibration relays, and display interfaces can all be absorbed into one device. Designers get ~240 MHz-class internal timing, sufficient for sub-10 ns trigger resolution in most benchtop instruments.
Recomendado
Secure and Anti-Tamper System Logic
The A54SX32-BG329I is well suited to secure and anti-tamper system logic because antifuse configuration cannot be read back: once programmed, the fusemap is buried in the die and there is no bitstream file on the board to extract, unlike SRAM FPGAs that load configuration from visible flash at every boot. Security engineers use SX-class devices for key storage glue logic, secure-boot gating, and zeroization control in defense platforms. The 48K gate capacity integrates state machines and comparison logic around a crypto processor, and 5V-tolerant I/O interfaces with tamper-switch meshes. The trade-off is design inflexibility - security patches require new physical devices, so pair deployment with a controlled stock of pre-programmed spares under configuration management.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para A54SX32-BG329I — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | A54SX32-BGG329I | A54SX32-BG329 | A54SX32A-2BGG329I | A54SX32-1BGG329I |
|---|---|---|---|---|---|
| Package | 329-BBGA, 1.27 mm pitch | 329-BBGA (green BGG) - same footprint | 329-BBGA - same footprint | PBGA329, 1.27 mm pitch - same footprint | 329-BBGA (green BGG) - same footprint |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microsemi Corporation (legacy) | Microsemi Corporation (legacy) | Microchip Technology |
| System Gates | 48 K | 48 K | 48 K | 48 K (SX-A, 2880 CLBs) | 48 K |
| User I/O | 249 | 249 | 249 | 249 | 249 |
| Speed Grade / Max Frequency | Standard (~240 MHz family rating) | Standard (~240 MHz) | Standard (~240 MHz) | -2 (~313 MHz) | -1 (slower bin) |
| Temperature Grade | Industrial (I suffix) | Industrial (I suffix) | Commercial/standard | Industrial (I suffix) | Industrial (I suffix) |
| RoHS / Package Finish | Standard BG (legacy, verify certificate) | RoHS compliant green BGG | Standard BG (legacy) | RoHS compliant green BGG | RoHS compliant green BGG |
Diferenciadores clave
- RoHS-compliant drop-in option with identical footprint (frente a A54SX32-BGG329I)
- Faster speed-grade upgrade path on the same PCB (frente a A54SX32A-2BGG329I)
- Cost saving for temperature-controlled environments (frente a A54SX32-BG329)
- Non-volatile instant-on operation vs SRAM FPGAs (frente a Xilinx XC4000-class functional equivalents)
Notas de diseño
Antifuse devices are one-time programmable: a logic error, timing violation, or programming failure consumes the physical part permanently. Before committing production devices, complete static timing analysis in Microchip Designer, simulate the full testbench, and program one engineering lot first. Reserve approximately 10-15% spare programmed devices under configuration management - antifuse programming yield is not 100% and in-field rework is impossible.
The 329-ball BGA with 1.27 mm pitch routes cleanly on standard PCB technology: use via-in-pad or dog-bone fanout with 0.3 mm drill vias, and escape traces at 4-5 mil width/spacing to break out the perimeter two to three ball rows. Provide dedicated power and ground ball connections per the datasheet ball map - do not share a single via pair across multiple VCC/GND balls, as the SX I/O banks switch simultaneously and localized IR drop shows up as timing jitter.
The SX family operates from a 3.3 V supply with 5 V-tolerant I/O capability per family data. Estimated: decouple each VCC ball group with at least 0.1 uF ceramic within 3 mm of the ball, plus 10-47 uF bulk per bank. Because the antifuse FPGA draws no configuration current at power-up (unlike SRAM FPGAs), supply sequencing requirements are relaxed, but verify inrush from I/O charge on 249 pins against your regulator soft-start rating.
Información de cumplimiento
RoHS compliance for the BG (non-green) suffix is not confirmed in retrieved distributor data; FindIC family data marks the BGG green variants as RoHS compliant. Obtain a certificate of conformance from the supplier for the exact suffix ordered.
