A54SX72A-2FG484 - SX-A FPGA 108K Gates 484-BGA | Microchip
Référence : A54SX72A-2FG484 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $145 | $145,00 |
| 10 | $132.5 | $1 325,00 |
| 100 | $118 | $11 800,00 |
| 500 | $105 | $52 500,00 |
| 1 000 | $94 | $94 000,00 |
A54SX72A-2FG484 Présentation
An antifuse FPGA is a one-time-programmable (OTP) programmable logic device whose interconnect switches are permanently formed at programming time. Within the programmable logic hierarchy (FPGA -> field programmable gate array -> programmable logic device -> semiconductor), antifuse FPGAs occupy the non-volatile, high-security niche: unlike SRAM FPGAs they need no configuration ROM, power up instantly with no configuration time, and their bitstream cannot be read back, making them a staple in military, aerospace, and industrial designs where IP protection matters.
Key features include 0.25 um/0.22 um CMOS antifuse technology, 2.25V to 2.75V core supply with mixed 3.3V/2.5V/1.5V-capable I/O banks, 360 available I/Os in the FBGA-484 package, and registered per-module performance up to 294 MHz. The SX-A architecture uses a sea-of-modules fabric with C-cells (combinational) and R-cells (sequential), each driving local and long-line routing for predictable, ASIC-like timing.
The SX-A family provides a low-cost single-chip integration path that replaces multi-chip glue-logic with one time-safe, secure, low-power device. Design entry uses Libero SoC / Designer software with VHDL or Verilog, and timing is verified post-layout, not estimated.
Typical applications include bridge logic and bus interface integration in industrial equipment, secure control planes in defense and avionics systems, and glueless processor/peripheral interfacing where instant-on and configuration-readback protection are required.
Design consideration: the device is one-time programmable and RoHS non-compliant in this commercial speed grade; verify temperature range (0C to +70C) and soldering process compatibility before commit. For lead-free assembly choose the -2FGG484 green variant with identical footprint.
This page synthesizes verified distributor data, drop-in same-footprint alternatives across speed and temperature grades, and practical design notes not found in the manufacturer datasheet.
Alternatives de remplacement direct pour A54SX72A-2FG484 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec A54SX72A-2FG484 (même facteur de forme et même empreinte) — différant par Package, RoHS Status, System Gates, Process Technology, Maximum System Frequency.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
A54SX72A-2FGG484
✅ Remplacement direct✓ En stock
$85.6 / unité
Voir la fiche technique →A54SX72A-2FG484I
✅ Remplacement direct✓ En stock
$196 / unité
Voir la fiche technique →A54SX72A-FFG484
✅ Remplacement direct✓ En stock
$135.63 / unité
Voir la fiche technique →A54SX72A-FG484I
✅ Remplacement direct✓ En stock
$217.72 / unité
Voir la fiche technique →A54SX72A-FGG484I
✅ Remplacement direct✓ En stock
$115 / unité
Voir la fiche technique →A54SX72A-FG484
✅ Remplacement direct✓ En stock
$88.1 / unité
Voir la fiche technique →A54SX72A-2FG484 Valeurs maximales et caractéristiques électriques
| Family | SX-A (antifuse FPGA) |
| System Gates | 108000 |
| Typical Gates | 72000 |
| Logic Modules / Cells | 6036 CLBs (4024 cells) |
| User I/O | 360 |
| Maximum System Frequency | 294 MHz |
| Process Technology | 0.25 um / 0.22 um CMOS |
| Supply Voltage (Core) | 2.5 V (2.25 V to 2.75 V) |
| Supply Voltage Range (per distributor) | 2.25 V to 5.25 V (I/O dependent) |
| Programming Technology | Antifuse (one-time programmable) |
| Boîtier | 484-FPBGA (27x27 mm), FBGA-484, 1 mm pitch |
| Type de montage | Surface Mount |
| Température de fonctionnement | 0C to +70C |
| Speed Grade | -2 (standard) |
| Packaging | Tray |
| Statut RoHS | Non-compliant |
| Manufacturer Lead Time | 10 weeks |
Guide de configuration des broches du A54SX72A-2FG484 484-fpbga (27x27 mm), fbga-484, 1 mm pitch
Configuration des broches du A54SX72A-2FG484 (boîtier 484-fpbga (27x27 mm), fbga-484, 1 mm pitch). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour A54SX72A-2FG484.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
A54SX72A-2FG484 convient pour 6 applications: Industrial Bridge and Glue Logic Integration, Secure Defense and Avionics Control Logic, Processor Peripheral and Bus Interface Bridging, Test and Measurement Instrument Logic, Communications and Networking Line-Card Logic, Legacy System Life-Extension and Obsolescence Redesign.
Industrial Bridge and Glue Logic Integration
The A54SX72A-2FG484 consolidates discrete PLDs, PALs, and bus-transceiver glue logic into a single 108K-gate antifuse device, cutting BOM count and board area. Its 360 user I/Os in the 27x27 mm FBGA-484 handle wide parallel buses between microprocessors, FPGAs, memories, and backplanes, while 2.5V core operation keeps static power low for always-on industrial controllers. Because the antifuse fabric is non-volatile, the board is functional at the instant power is applied - no configuration controller or serial flash is needed, improving system uptime and simplifying safety certification. Timing is deterministic post-layout because the actel antifuse routing is fixed once programmed, an advantage over SRAM FPGA re-timing across power cycles. Design the 2.5V core rail with bulk plus 0.1 uF decoupling per supply pin group and verify the 0C to +70C range covers the enclosure environment, or select the -I industrial grade variant.
Recommandé
Secure Defense and Avionics Control Logic
Antifuse interconnect makes the A54SX72A attractive for defense and avionics subsystems where the programmed netlist must not be extractable: there is no configuration bitstream in external memory to intercept, and the device powers up functional with zero configuration latency - critical for systems with strict boot-time requirements. The 108K-gate capacity implements interfaces such as MIL-STD-1553-style protocol glue, sensor aggregation, and redundant-path voting logic across 360 I/Os. The one-time-programmed fabric also resists single-event configuration upsets that affect SRAM FPGAs, complementing system-level SEU hardening strategies. For airborne platforms specify the -I or higher-grade orderable part numbers covering -40C to +100C, and verify package qualification level against program requirements. This commercial -2FG484 unit suits ground-based and benign-temperature defense electronics; recompile the same Libero design for the industrial or military orderable codes without PCB changes.
Recommandé
Processor Peripheral and Bus Interface Bridging
The SX-A architecture's R-cell (sequential) rich fabric and 294 MHz-class registered performance suit bus bridges, DMA controllers, memory controllers, and legacy interface translation (PCI-style glue, local bus expansion, proprietary parallel links). The A54SX72A-2FG484 provides enough capacity for a full bridge function plus FIFOs and status registers, with I/O banks supporting 3.3V and 2.5V signaling to interface directly with both legacy 5V-tolerant-adjacent and modern 2.5V logic domains. Because routing is antifuse-fixed, register-to-register delays are stable across temperature and lifetime, simplifying setup/hold closure on wide buses. Designers should budget one module per flip-flop and use Libero timing reports post-place-and-route rather than pre-layout estimates. With a 10-week factory lead time, secure prototype quantities early; the same footprint accepts speed-grade and temperature-grade variants for design reuse across product tiers.
Recommandé
Test and Measurement Instrument Logic
Instrument makers use the A54SX72A-2FG484 for trigger engines, timing generators, and acquisition-path interface logic where deterministic, fixed routing matters for repeatable measurements. The antifuse fabric delivers cycle-accurate timing that does not drift between power cycles, supporting calibration-stable instruments, while 360 I/Os connect front-end ADCs, comparators, and rear-panel digital buses. The 294 MHz-class module performance supports fast trigger decision pipelines, and the 2.5V core limits power inside thermally constrained chassis. Because the device is one-time programmable, firmware features must be frozen before programming; keep field upgradability in an accompanying microcontroller or reserve a socketed device strategy. For benchtop instruments with controlled environments the 0C to +70C commercial range is adequate; portable or outdoor equipment should use the A54SX72A-2FG484I variant with the identical footprint and pinout.
Recommandé
Communications and Networking Line-Card Logic
Networking line cards and backplane adapters benefit from the SX-A's balance of gate density and I/O count: the A54SX72A-2FG484 implements framing, deskew, error-checking, and backplane interface logic across 360 I/Os while fitting a compact 27x27 mm footprint. Fixed antifuse routing yields consistent latency between identical channels - important for deskew and channel-matching functions - and non-volatile configuration eliminates the boot delay that SRAM FPGAs add before links can train. The 2.5V core supply integrates with standard telecom 2.5V/3.3V rail architectures. Note that this commercial temperature grade and non-green package may not suit telecom-temperature or RoHS-restricted products; the A54SX72A-2FGG484 green variant and -I industrial units share the same footprint, letting one PCB layout serve multiple compliance and temperature markets with only ordering-PN and recompile changes.
Recommandé
Legacy System Life-Extension and Obsolescence Redesign
When legacy ASICs, ECL glue, or discontinued PLDs reach end-of-life, the A54SX72A-2FG484 is a practical consolidation target: 108K gates absorb multiple obsolete devices, and the SX-A family's long-lived, mature 0.25 um process keeps the replacement available for years - itself an obsolescence-mitigation feature. Migrating requires translating original netlists or RTL into VHDL/Verilog, recompiling in Libero, and validating I/O levels against the original 3.3V/2.5V domains. The antifuse one-time-programming model mirrors masked-ASIC behavior, easing qualification for systems where firmware upgradeability is not required. Budget the 10-week factory lead time into redesign schedules and consider dual-sourcing speed/temp grades (for example A54SX72A-FFG484 alongside the -2 grade) to hedge allocation. Pin-compatible family variants allow one board design to be populated according to availability.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour A54SX72A-2FG484 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | A54SX72A-2FGG484 | A54SX72A-2FG484I | A54SX72A-FFG484 | A54SX72A-FGG484I |
|---|---|---|---|---|---|
| Brand | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) |
| Package | 484-FBGA (27x27 mm), 1 mm pitch | 484-FBGA (27x27 mm) - same footprint | 484-FBGA (27x27 mm) - same footprint | 484-FBGA (27x27 mm) - same footprint | 484-FBGA (27x27 mm) - same footprint |
| System Gates | 108000 (72K typical) | 108000 (72K typical) | 108000 (72K typical) | 108000 (72K typical) | 108000 (72K typical) |
| User I/O | 360 | 360 | 360 | 360 | 360 |
| Core Supply Voltage | 2.5 V (2.25 V to 2.75 V) | 2.5 V (2.25 V to 2.75 V) | 2.5 V (2.25 V to 2.75 V) | 2.5 V (2.25 V to 2.75 V) | 2.5 V (2.25 V to 2.75 V) |
| Speed Grade | -2 (standard) | -2 (standard) | -2 (standard) | -F (faster, lower delays) | -F (faster, lower delays) |
| Operating Temperature | 0C to +70C (commercial) | 0C to +70C (commercial) | -40C to +100C (industrial) | 0C to +70C (commercial) | -40C to +100C (industrial) |
| RoHS Compliance | Non-compliant (standard package) | Compliant (green package) | Non-compliant (standard package) | Non-compliant (standard package) | Compliant (green package) |
Principaux différenciateurs
- RoHS-compliant drop-in option exists (vs A54SX72A-2FGG484)
- Wider temperature coverage available pin-for-pin (vs A54SX72A-2FG484I)
- Faster speed grade for timing-critical paths (vs A54SX72A-FFG484)
Notes de conception
Provide separate 2.5V (VCCA, core/analog) and I/O-bank (VCCI) rails with independent local decoupling: at least 0.1 uF ceramic at every supply pin group plus 10 uF bulk per rail. Never share the core rail with noisy I/O switching loads; SX-A antifuse devices draw negligible static core current once programmed, so the core regulator can be sized mainly for transient and I/O currents. Observe the 2.25V to 2.75V core tolerance and follow the SX-A datasheet power-up guidance, since core-before-I/O or simultaneous rails are acceptable but brown-out during programming/verification is not recoverable on a one-time-programmable device.
The FBGA-484 uses a 1 mm ball pitch on a 27x27 mm body; specify a standard NSMD pad (approximately 0.4 mm pad on 0.5 mm mask opening) and use via-in-pad with filled vias or dogbone fanout on 1.0-1.2 mm channel pitch. Route power and ground through dedicated ball arrays and flood at least two internal planes to keep I/O return paths short. For assembly, note that this standard -2FG484 package is RoHS non-compliant: lead-free reflow profiles may not be qualified for it, so either specify the green A54SX72A-2FGG484 for lead-free lines or confirm the solder process with your contract manufacturer before production.
Antifuse devices are one-time programmable - a design error after programming cannot be patched, so always run full post-layout timing simulation and functional verification in Libero/Designer before committing silicon. Account for the roughly 10-week factory lead time when scheduling prototypes, and reserve identical-footprint alternates (A54SX72A-2FGG484 for RoHS, -2FG484I for temperature) in the same design database so a compliance or temperature change requires only a recompile. Do not extrapolate timing from the -2 grade to the -F grade; each speed grade has its own timing model that must be selected in the software.
Informations de conformité
RoHS non-compliant per Microchip USA listing (standard package finish); the A54SX72A-2FGG484 green variant is the compliant option. Commercial temperature grade (0C to +70C), not automotive qualified.
