A54SX16A-1PQG208 - 24K Gate SX-A FPGA, 175 I/O | Microchip
Référence : A54SX16A-1PQG208 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $42.5 | $42,50 |
| 10 | $38.9 | $389,00 |
| 100 | $35.2 | $3 520,00 |
| 500 | $32.8 | $16 400,00 |
| 1 000 | $30.5 | $30 500,00 |
A54SX16A-1PQG208 Présentation
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of programmable logic blocks and interconnects that designers configure after manufacturing. Within the FPGA hierarchy, the SX-A sits in the antifuse, one-time-programmable (OTP) category: unlike SRAM FPGAs, it retains its configuration permanently, requires no external configuration ROM, and is inherently more resistant to bit-flip and bitstream-readback attacks.
Key features include the sea-of-modules architecture delivering ASIC-like performance, deterministic routing delays for timing closure, low static power typical of antifuse CMOS, and 175 programmable I/O supporting 5V-tolerant signaling. The combination of 24K gates and 263 MHz toggle rate suits glue logic consolidation, bus bridging, state machines, and high-speed control paths that would otherwise require multiple SPLDs or an ASIC.
Technically, the device is built on a CMOS process with 1452 combination logic modules (CLBs) organized as sea-of-modules, achieving gate utilization levels near ASIC density. Antifuse programming provides permanent interconnect with negligible series resistance, contributing to speed and reliability. The -1 speed grade denotes the standard commercial timing grade of the SX-A family.
Typical applications include industrial control and automation, telecommunications line cards, military/aerospace legacy systems, and embedded glue logic for microprocessor systems, where single-chip integration lowers BOM cost and board area.
Design consideration: because the device is OTP, verify your logic thoroughly in simulation and, where practical, prototype on an in-system-programmable part of the family before committing the antifuse array.
This page adds value beyond the manufacturer datasheet by consolidating distributor pricing tiers, pin-compatible same-package alternates, and drop-in replacement guidance for obsolescence-prone legacy designs.
Alternatives de remplacement direct pour A54SX16A-1PQG208 — 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 A54SX16A-1PQG208 (même facteur de forme et même empreinte) — différant par Package, RoHS Status, System Gates, Family, Process Technology.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
A54SX16A-1PQG208M
✅ Remplacement direct✓ En stock
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Voir la fiche technique →A54SX16A-PQG208A
✅ Remplacement direct✓ En stock
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Voir la fiche technique →A54SX16A-PQG208M
✅ Remplacement direct✓ En stock
$451.23 / unité
Voir la fiche technique →A54SX16A-2PQG208
✅ Remplacement direct✓ En stock
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Voir la fiche technique →A54SX16A-1PQG208A
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
A54SX32A-1PQG208M
✅ Remplacement direct✓ En stock
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Voir la fiche technique →A54SX32A-2PQG208I
✅ Remplacement direct✓ En stock
$47.95 / unité
Voir la fiche technique →A54SX16A-1PQG208 Valeurs maximales et caractéristiques électriques
| Family | SX-A (Actel/Microsemi antifuse FPGA) |
| System Gates | 24000 |
| Logic Cells / CLBs | 1452 |
| User I/O | 175 |
| Max Toggle Frequency | 263 MHz |
| Input Setup Time | 1.2 ns |
| Tension d'alimentation | 2.25 V to 5.25 V |
| Speed Grade | -1 |
| Programmable Type | OTP (antifuse) |
| Boîtier | 208-BFQFP (PQFP-208) |
| Lead Pitch | 0.5 mm |
| Type de montage | Surface Mount (SMD/SMT) |
| Standard Package Quantity | 24 (Tray) |
| Process Technology | CMOS |
| Statut RoHS | RoHS Compliant |
| Configuration Support | No external configuration device required (OTP) |
Guide de configuration des broches du A54SX16A-1PQG208 24 (tray)
Configuration des broches du A54SX16A-1PQG208 (boîtier 24 (tray)). 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 A54SX16A-1PQG208.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
A54SX16A-1PQG208 convient pour 6 applications: Industrial Control and Automation, Telecommunications Line Cards, Military and Aerospace Legacy Systems, Embedded Glue Logic Consolidation, Test and Measurement Instrumentation, Medical Device Legacy Sustainment.
Industrial Control and Automation
The A54SX16A-1PQG208 fits industrial control applications where deterministic, instant-on logic replaces multiple PLDs and discrete glue chips. Its 2.25V to 5.25V supply tolerance rides through noisy 5V and 3.3V factory rails without level translators, while the 175 user I/O handle parallel fieldbus, encoder, and sensor interfaces. The antifuse OTP fabric eliminates configuration-upset risk from electrical noise and powers up functional within microseconds, unlike SRAM FPGAs that need a boot cycle. With a 263 MHz toggle ceiling and 1452 CLBs, it consolidates PLC I/O logic, motion control state machines, and backplane bridging into a single 208-pin PQFP, cutting BOM count and board area while providing ASIC-like reliability for long-lifetime industrial equipment.
Recommandé
Telecommunications Line Cards
The A54SX16A-1PQG208 serves telecom line-card designs that need fast, deterministic control logic between PHY devices and backplanes. Its antifuse routing gives deterministic delays critical for fixed-timing interfaces, and the 263 MHz toggle rate with 1.2 ns-class input setup comfortably covers T1/E1 framing, HDLC processing, and backplane handshaking at DS3-class rates. The 175 I/O density supports wide parallel buses to line interface chips, and 5V-tolerant CMOS I/O connects directly to legacy 5V line-card components. As an OTP device it starts instantly at hot-swap power-up with no configuration delay, and its low static antifuse power helps thermal budgets in high-slot-density chassis where every watt per card is constrained.
Recommandé
Military and Aerospace Legacy Systems
Antifuse FPGAs like the A54SX16A-1PQG208 are staples of defense and aerospace sustainment programs because their one-time-programmed configuration cannot be upset by radiation-induced configuration flips and cannot be read back, providing inherent design security. The device's instant power-up suits systems with strict initialization timing, and its 5V-tolerant I/O interfaces with legacy MIL-spec 5V logic families still present in avionics buses. With 24,000 gates and 175 I/O, it implements protocol conversion, telemetry formatting, and bus arbitration functions. Many obsolescence-driven redesigns use the same-footprint A54SX32A-1PQG208M to add margin without board respin, preserving qualification test documentation for the unchanged PCB and interconnect.
Recommandé
Embedded Glue Logic Consolidation
The A54SX16A-1PQG208 excels at replacing clusters of 74xx logic, SPLDs, and PALs in embedded processor systems. Its 1452 CLBs absorb address decoding, bus transceiving, wait-state generation, interrupt aggregation, and reset supervision that would otherwise occupy a dozen packages. Microchip positions the SX-A family precisely for this 'system-wide savings by integrating multiple functions into a low cost, single-chip solution'. The wide 2.25V to 5.25V supply range lets one device bridge 5V processor buses and 3.3V peripherals without translators, and 175 I/O is ample for full-width parallel buses. Deterministic antifuse timing means decoded chip-select edges meet processor timing without the variation of reprogrammable fabrics.
Recommandé
Test and Measurement Instrumentation
Bench and automated test instruments use the A54SX16A-1PQG208 for timing sequencers, trigger logic, and counter/timer front ends. The 263 MHz toggle capability supports 100 MHz-class event counting, while deterministic antifuse routing delivers channel-to-channel skew low enough for coherent multi-channel sampling logic. The 1.2 ns input setup time enables direct capture of fast status signals without external latches, and 5V-tolerant I/O connects to instrumentation-standard 5V signaling. Because the configuration is OTP, instrument firmware cannot be corrupted by customer tampering or power anomalies, improving field reliability - an important consideration for instruments with 10-year service expectations in calibration-sensitive environments.
Recommandé
Medical Device Legacy Sustainment
Certified medical equipment such as imaging controllers and patient-monitoring backplanes frequently embed SX-A FPGAs in their approved designs. The A54SX16A-1PQG208 supports these platforms with instant-on, permanently configured logic whose behavior cannot drift between power cycles - a property regulators value when revalidating software-controlled devices. Its 24K gates and 175 I/O implement sensor front-end sequencing, alarm prioritization, and host interface logic, while 2.25V to 5.25V operation tolerates the mixed 5V/3.3V rails common in legacy medical boards. For service organizations sustaining approved designs, the same-footprint A54SX16A-1PQG208A and -M suffix variants provide authorized substitution paths that avoid hardware change-notification paperwork.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour A54SX16A-1PQG208 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | A54SX16A-1PQG208M | A54SX16A-2PQG208 | A54SX32A-1PQG208M | A54SX32A-2PQG208I |
|---|---|---|---|---|---|
| Package | 208-BFQFP (PQFP-208) | 208-BFQFP - same | 208-BFQFP - same | 208-BFQFP - same | 208-BFQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 24000 | 24000 | 24000 | 36000 | 36000 |
| Temperature Grade | Standard (per suffix -PQG) | Standard (M flow grade) | Commercial | Standard (M flow grade) | Industrial (-I) |
| Supply Voltage | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V | 2.25 V to 5.25 V |
| Recompile Required | N/A (target part) | No (same die) | No (same die) | Yes (SX32A die) | Yes (SX32A die) |
Principaux différenciateurs
- Deterministic antifuse routing with instant power-up (vs A54SX32A-1PQG208M)
- Timing margin for free via faster speed grade (vs A54SX16A-2PQG208)
- Industrial temperature option in same footprint (vs A54SX32A-2PQG208I)
- 5V-tolerant wide supply I/O (vs SRAM FPGAs (e.g., Xilinx XC4000-class))
Notes de conception
The A54SX16A-1PQG208 accepts 2.25V to 5.25V, but timing specifications are only guaranteed across the datasheet's characterized supply window for the -1 speed grade. Decouple all VCC pins with 0.1uF ceramics placed within a few millimeters of each supply pin, plus one bulk 10uF per rail. Because antifuse static current is negligible, total power is dominated by dynamic switching: minimize high-fanout nets and register the highest-speed clocks onto dedicated clock resources to keep dynamic current predictable across the 175 I/O.
The device is one-time programmable: once antifuses are blown, the design is permanent and any logic change requires a new physical part. Complete RTL simulation, static timing analysis at the -1 speed grade corner, and a board-level prototype before committing to programming. Reserve a test socket or programming header footprint on the PCB so Silicon Sculptor or in-system programming can be performed reliably, and verify the programmer's algorithm revision matches the current Microchip device revision (note the -PQG208A suffix denotes a later die revision).
The 208-pin BFQFP with 0.5 mm pitch requires careful land-pattern design per IPC-SM-782-style PQFP footprints. Fan out the 175 user I/O with via-in-pad avoided; use dog-bone escapes on the two outer rows. Keep unterminated 5V-tolerant outputs away from reset and test pins to prevent crosstalk-induced false triggering during power sequencing. A solid ground plane under the die center reduces ground bounce on simultaneously switching outputs; limit SSO groups per the datasheet guidance for the PQFP package.
At the 263 MHz toggle ceiling, treat any output driving more than roughly 100 mm of trace as a transmission line: add 22-33 ohm series termination at the driver and keep stubs short. Group simultaneously switching outputs (buses) together on adjacent I/O rings with adjacent ground pins to bound ground bounce. For clocks entering the FPGA, route on an inner layer referenced to ground and add a series resistor near the source to slow edges to the minimum slew the design needs - faster edges buy nothing and only add EMI.
Informations de conformité
FindIC specification summary explicitly states ROHS COMPLIANT for the plastic PQFP-208 package. REACH, halogen-free, and conflict-minerals status not stated in provided data.