A54SX32-1TQG144I - SX FPGA 32K Gates 280MHz TQFP-144 | Microsemi
Référence : A54SX32-1TQG144I ✓ Actif| Qté | Prix unitaire | Total |
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| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
A54SX32-1TQG144I Présentation
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and interconnects that the designer programs after manufacturing, sitting in the device hierarchy between fixed-function ASICs and software-programmable microprocessors. Unlike SRAM-based FPGAs, the SX family uses antifuse programmable interconnect: once programmed, connections are permanent, giving ASIC-like nonvolatility, instant-on operation, and inherent resistance to configuration bitstream readback.
The SX family features a sea-of-modules architecture built around compact C-cells (combinatorial logic) and R-cells (register elements), delivering system performance and integration levels not achieved by other FPGA architectures of its class, with dramatically reduced design time, power consumption, and time to market for performance-intensive applications. The -1 speed grade supports clock rates up to 280 MHz, and the device operates from dual 3.3V/5V supply domains, easing integration into mixed-voltage legacy systems.
Because the antifuse fabric is one-time-programmable, the A54SX32-1TQG144I suits fixed-function designs such as industrial control glue logic, communications protocol bridging, aerospace/defense payload logic, and medical instrumentation where configuration data security and instant power-up behavior are mandatory. With 113 available I/O, it can replace dozens of discrete MSI/SSI devices in a single chip.
Designers should plan programming access early: antifuse devices require an external programmer and cannot be reconfigured in-system after burn. Use the Microchip Libero SoC (or legacy Actel Designer) flow for synthesis and place-and-route.
This page synthesizes distributor availability, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, verified as of 2026-09-03.
Alternatives de remplacement direct pour A54SX32-1TQG144I — 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 A54SX32-1TQG144I (même facteur de forme et même empreinte) — différant par Package, Family, System Gates, RoHS Status, Process Technology.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
A54SX32-1TQG144
✅ Remplacement direct✓ En stock
$48.1 / unité
Voir la fiche technique →A54SX32-TQG144I
✅ Remplacement direct✓ En stock
$32.3 / unité
Voir la fiche technique →A54SX32-TQG144
✅ Remplacement direct✓ En stock
$1387.71 / unité
Voir la fiche technique →A54SX32-2TQG144I
✅ Remplacement direct✓ En stock
$45.6 / unité
Voir la fiche technique →A54SX32-P1TQG144I
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
A54SX32A-2TQG144I
✅ Remplacement direct✓ En stock
$281.98 / unité
Voir la fiche technique →A54SX32-1TQG144I Valeurs maximales et caractéristiques électriques
| Family | Actel SX (54SX) |
| System Gates | 32000 gates |
| Logic Cells | 1800 cells |
| User I/O | 113 I/O |
| Maximum Toggle Frequency | 280 MHz |
| Process Technology | 0.35 um CMOS |
| Tension d'alimentation | 3.3 V / 5 V |
| Program Technology | Antifuse (one-time programmable) |
| Architecture | Sea-of-modules (C-cell + R-cell) |
| Speed Grade | -1 |
| Température de fonctionnement | -40C to +85C (Industrial) |
| Boîtier | 144-Pin TQFP (S-PQFP-G144) |
| Type de montage | Surface Mount |
| Lead Free | Yes |
| Statut RoHS | Compliant |
Guide de configuration des broches du A54SX32-1TQG144I 144-pin tqfp (s-pqfp-g144)
Configuration des broches du A54SX32-1TQG144I (boîtier 144-pin tqfp (s-pqfp-g144)). 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 A54SX32-1TQG144I.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
A54SX32-1TQG144I convient pour 6 applications: Industrial Control and Automation, Communications and Protocol Bridging, Aerospace and Defense Ground Equipment, Medical Instrumentation, Test and Measurement Equipment, Legacy System Sustainment and BOM Rescue.
Industrial Control and Automation
The A54SX32-1TQG144I fits industrial control and factory automation logic because its 32,000 gates and 1,800 cells consolidate address decoding, state machines, and protocol glue logic that would otherwise occupy dozens of discrete TTL devices. The 113 user I/O in the 144-pin TQFP interface directly with PLC backplanes, motor controllers, and sensor banks, while the industrial -40C to +85C rating covers unconditioned cabinets. Its antifuse fabric powers up instantly with configuration intact, eliminating the configuration-loading gap SRAM FPGAs require, and the 280 MHz toggle capability handles fast counter and encoder processing. One trade-off: since it is one-time programmable, field firmware changes require a new programmed device, so hold programmed spares in stock.
Recommandé
Communications and Protocol Bridging
In communications equipment, the A54SX32-1TQG144I serves as a protocol bridge and framer, using its sea-of-modules C-cell/R-cell architecture to implement parallel serial converters, UART banks, and bus arbitration at toggle rates up to 280 MHz. The 3.3V/5V dual supply domains allow direct connection to both legacy 5V line-card logic and modern 3.3V PHYs without level-shifting overhead, a significant advantage when retrofitting legacy telecom shelves. The 144-pin TQFP offers a practical 0.5 mm-pitch footprint for two- and four-layer boards. Because antifuse configuration cannot be read back, it also protects proprietary framing IP in deployed network hardware.
Recommandé
Aerospace and Defense Ground Equipment
Actel antifuse FPGAs have a long heritage in defense systems, and the A54SX32-1TQG144I suits ground-based defense electronics, test sets, and instrumentation where deterministic instant-on behavior and configuration security are mandatory. The sea-of-modules architecture delivers ASIC-like integration of interface logic, and Microchip's related RTAX radiation-tolerant family shares design methodology, easing path-to-flight for programs that later migrate. The industrial -40C to +85C grade covers fielded ground equipment enclosures. Note that this commercial-silicon part is not rad-tolerant: for spaceflight payloads, select RTAX2000S or RTAX250S devices, reusing the same Libero design flow and verification collateral.
Recommandé
Medical Instrumentation
Medical diagnostic and monitoring instruments benefit from the A54SX32-1TQG144I's deterministic behavior: configuration is resident in antifuse interconnect, so the logic is operational within nanoseconds of power application - critical for patient-connected equipment with power-on self-test requirements. The 1,800-cell fabric implements acquisition sequencing, filter front-end control, and display-interface glue logic, while 113 user I/O connect ADCs, front-end analog modules, and communication ports. Low static power from the antifuse fabric supports convection-cooled desktop instruments without fan noise. The one-time-programmable nature also aids regulatory traceability: the shipped configuration cannot be altered in the field, matching design-control documentation.
Recommandé
Test and Measurement Equipment
The 280 MHz toggle capability of the A54SX32-1TQG144I makes it well suited to test and measurement platforms: counter/timer channels, trigger logic, pattern generators, and bus-interface adapters. The R-cell registers provide fast, predictable setup-to-clock paths for time-critical acquisition paths, while the -1 speed grade timing model in the Microchip design software allows accurate static timing analysis before committing silicon. The 5V-tolerant 3.3V/5V I/O domain simplifies interfacing with legacy GPIB-adjacent and rack backplane signals common in instrument clusters. Instruments benefit from the fixed, nonvolatile configuration: every unit behaves identically at every power-up, supporting calibration stability across service intervals.
Recommandé
Legacy System Sustainment and BOM Rescue
A primary modern use of the A54SX32-1TQG144I is legacy-system sustainment: many rail, energy, avionics-test, and industrial platforms were designed around Actel SX antifuse FPGAs in the 1990s-2000s and remain in service. When these parts vanish from franchised distribution, sourcing genuine, date-code-verifiable A54SX32-1TQG144I devices preserves the qualified design without any PCB or logic rework. Since the fabric is one-time programmable, replacement devices must be programmed from the archived design database; teams should regenerate programming files with current Libero releases to confirm toolchain compatibility. XAIPART stocks the full TQG144 variant family to cover temperature and speed-grade substitutions.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour A54SX32-1TQG144I — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | A54SX32-1TQG144 | A54SX32-2TQG144I | A54SX32A-2TQG144I | A54SX32-P1TQG144I |
|---|---|---|---|---|---|
| Package | TQFP-144 (S-PQFP-G144) | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same |
| Brand | Microsemi (Microchip Technology) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 32000 gates | 32000 gates | 32000 gates | 32000 gates (SX-A) | 32000 gates |
| Speed Grade | -1 | -1 | -2 (faster) | -2 (faster, SX-A) | P1 |
| Operating Temperature | -40C to +85C (Industrial) | 0C to +70C (Commercial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
Principaux différenciateurs
- Industrial temperature rating for fielded equipment (vs A54SX32-1TQG144)
- Faster timing headroom available in same footprint (vs A54SX32-2TQG144I)
- SX antifuse security vs SX-A migration path (vs A54SX32A-2TQG144I)
Notes de conception
The A54SX32-1TQG144I uses separate supply domains per the 54SX family datasheet: VCCI for I/O buffers (3.3V or 5V), VCCA for the core array, and VPP for programming. Decouple each domain independently with 0.1uF ceramic capacitors per supply pin group plus bulk capacitance at the board entry point. Antifuse FPGAs draw near-zero static current (configuration stored in hardware), so total power is dominated by dynamic switching - estimate Icc from your toggle-rate profile in the Libero power calculator rather than copying worst-case datasheet numbers.
This is a one-time-programmable (OTP) antifuse device. It cannot be reprogrammed, so never treat it like an SRAM FPGA during prototyping: burn a device only after timing simulation passes with post-place-and-route delays. Production flows must program parts off-board before assembly, or allocate a programming-access strategy. Keep your archived Designer/Libero project and programming files under revision control - a lost design database cannot be recovered from a programmed device.
The 144-pin TQFP has 0.5 mm lead pitch with leads extending on all four sides. Use gull-wing footprints per the mechanical drawing in the 54SX family datasheet, with solder-mask-defined or non-solder-mask-defined pads per your assembly house capability. Thermal relief is typically unnecessary because the TQFP-144 plastic package dissipates only moderate power for typical SX designs; still, connect the center ground region of the footprint to a solid ground plane for return-current integrity on fast (280 MHz-class) internal toggles.
When driving 5V-tolerant VCCI banks at high toggle rates, control edge rates and add series termination (22-33 ohm) on lines leaving the board or running longer than a few inches on the PCB. Group fast-switching outputs on grounds adjacent to their VCCI returns in the pinout, and avoid simultaneously switching more outputs than your power budget and ground-return design support - SX I/O banks can generate ground bounce if whole banks switch in phase.
Informations de conformité
Distributor listings (PCB Electronics Supply Chain) explicitly identify the A54SX32-1TQG144I as LEAD FREE. RoHS compliance per Microchip product catalog; REACH and halogen-free status not stated in provided data.
