A54SX16A-1TQG144I - 16K Gate FPGA, TQFP-144 | Microchip
Référence : A54SX16A-1TQG144I ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $38.5 | $38,50 |
| 10 | $34.65 | $346,50 |
| 100 | $30.8 | $3 080,00 |
| 500 | $27.72 | $13 860,00 |
| 1 000 | $24.95 | $24 950,00 |
A54SX16A-1TQG144I Présentation
A field-programmable gate array (FPGA) is a semiconductor device containing a fabric of configurable logic blocks (CLBs) and programmable interconnects that engineers configure after manufacturing. Within the programmable logic hierarchy, FPGAs sit alongside CPLDs as logic-implementation devices, and the SX-A family uses antifuse (Actel) programming technology, which is one-time programmable but inherently non-volatile and more secure against bitstream readback than SRAM-based FPGAs.
Key features of the A54SX16A-1TQG144I include 24,000 system gates on a 0.25 um CMOS process, pin-to-pin routing architecture with no dedicated routing delays, and a speed grade -1 with toggle rates to 263 MHz. The antifuse fabric provides flip-flops with fast setup times and low routing parasitics, delivering ASIC-like performance at FPGA economics. Supplying 113 user I/O in TQFP-144 makes it well suited for glue logic consolidation, bus interfacing, and state-machine replacement.
The SX-A architecture integrates multiple discrete logic functions into a single low-cost chip, decreasing the performance premium while providing security and low power benefits, according to the Microchip product page. The 0.25 um technology and 2.5V core keep static power low, while the one-time-programmable antifuse removes the need for configuration ROM and eliminates configuration-time vulnerability.
Typical applications include industrial control, aviation and military subsystems requiring configuration security, communications bridging, and legacy ASIC prototyping or low-volume production where masking costs are prohibitive.
Designers should note that antifuse devices are one-time programmable: prototype thoroughly with the manufacturer design tools before committing, and verify I/O bank voltage compatibility with 3.3V peripheral logic.
This page synthesizes distributor pricing, same-footprint alternatives, and practical design notes not found in the manufacturer datasheet, based on verified web data as of 2026-09-03.
Alternatives de remplacement direct pour A54SX16A-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 A54SX16A-1TQG144I (même facteur de forme et même empreinte) — différant par Package, System Gates, Family, Operating Temperature, RoHS Status.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
A54SX32A-2TQG144I
✅ Remplacement direct✓ En stock
$281.98 / unité
Voir la fiche technique →A54SX32A-1TQG144I
✅ Remplacement direct✓ En stock
$28.8 / unité
Voir la fiche technique →A54SX16A-1TQG144M
✅ Remplacement direct✓ En stock
$45.6 / unité
Voir la fiche technique →A54SX16A-TQG144A
✅ Remplacement direct✓ En stock
$27.9 / unité
Voir la fiche technique →A54SX32-TQ144I
✅ Remplacement direct✓ En stock
$250.11 / unité
Voir la fiche technique →A54SX32-TQ144M
✅ Remplacement direct✓ En stock
$811.44 / unité
Voir la fiche technique →A54SX16A-1TQG144I Valeurs maximales et caractéristiques électriques
| Family | SX-A (antifuse FPGA) |
| System Gates | 24000 |
| Logic Gates | 16 K |
| Logic Cells | 924 |
| CLBs | 1452 |
| Maximum Toggle Frequency | 263 MHz |
| Core Supply Voltage | 2.5 V |
| Process Technology | 0.25 um CMOS |
| User I/O | 113 |
| Speed Grade | -1 |
| Boîtier | TQFP-144 (PQFP144) |
| Package Height | 1.4 mm |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +85C (Industrial, I suffix) |
| Programming Technology | Antifuse (one-time programmable) |
| Statut RoHS | Compliant |
| Lead Free | Yes (G suffix) |
Guide de configuration des broches du A54SX16A-1TQG144I 1.4 mm
Configuration des broches du A54SX16A-1TQG144I (boîtier 1.4 mm). 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-1TQG144I.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
A54SX16A-1TQG144I convient pour 6 applications: Industrial Control and Automation, Aviation and Defense Subsystems, Glue Logic Consolidation, Communications Bridging and Line-Card Interface, ASIC Prototyping and Low-Volume Production, Medical Instrumentation Control Logic.
Industrial Control and Automation
The A54SX16A-1TQG144I fits industrial control cards that consolidate glue logic, bus arbitration, and sequencing state machines into one 24,000-gate antifuse device. Its 113 user I/O in TQFP-144 can interface PLC backplanes, encoders, and sensor buses, while the 263 MHz toggle capability easily covers motor PWM and interlock logic running at a few tens of MHz. The industrial -40C to +85C rating matches factory-floor ambient requirements without external thermal management. Because the antifuse fabric is non-volatile, the controller boots instantly at power-up with no configuration device, improving fault recovery time in continuous-process equipment. Designers typically place the FPGA between a microprocessor and I/O drivers, using the 2.5V core with appropriate I/O bank voltages for 3.3V signaling.
Recommandé
Aviation and Defense Subsystems
Antifuse FPGAs have historically been favored in aviation and defense electronics because their one-time-programmable fabric offers strong configuration security: there is no SRAM bitstream to intercept or corrupt, and no configuration PROM to single-point-fail. The A54SX16A-1TQG144I serves interface bridging, ARINC-style bus adaptation, and discrete signal processing in such subsystems. The M-suffix sibling A54SX16A-1TQG144M extends temperature screening for harsher environments while keeping the identical TQFP-144 footprint, enabling a single PCB design across commercial and military builds. The 24,000 system gates accommodate protocol framing, voting logic, and built-in-test functions, while the 2.5V core limits power draw in convection- or conduction-cooled enclosures where every watt matters.
Recommandé
Glue Logic Consolidation
A classic use of the SX16A is replacing dozens of 74-series logic devices, PALs, and GALs with a single 144-pin TQFP device. At 924 logic cells and 113 user I/O, the A54SX16A-1TQG144I absorbs address decoders, bus transceivers, interrupt controllers, and reset sequencing that would otherwise occupy several square inches of PCB. Consolidation reduces BOM count, assembly cost, and propagation-skew variability, since inter-block routing inside the antifuse fabric is faster and more deterministic than multi-chip discrete paths. The 263 MHz toggle rate gives ample margin even when replicating fast combinational chains. Designers should budget I/O carefully in the Microchip design tools because the 113 user I/O limit, not gate count, is usually the binding constraint in glue-logic consolidation projects.
Recommandé
Communications Bridging and Line-Card Interface
In telecom and datacom line cards, the A54SX16A-1TQG144I bridges processor buses to framer, PHY, and backplane interfaces. Its fast flip-flops and 263 MHz fabric support FIFO control, HDLC framing assists, and clock-domain crossing logic at line rates typical of T1/E1 and legacy packet systems. The TQFP-144 package with 113 user I/O provides enough pins for parallel data buses plus control strobes without resorting to fine-pitch BGA assembly. Antifuse non-volatility means the card is active immediately on hot-swap power application, which simplifies redundant-architecture bring-up where a configuration load delay is unacceptable. Decouple the 2.5V core per datasheet guidance and keep global clock inputs on dedicated GCK pins for minimum jitter.
Recommandé
ASIC Prototyping and Low-Volume Production
Before committing to an ASIC mask set, engineers use the SX16A to prototype control logic and verify interface behavior on real hardware. With 24,000 system gates, the A54SX16A-1TQG144I can host moderate-size ASIC blocks, and its deterministic antifuse routing makes measured timing reasonably predictive of final silicon. For production volumes too low to amortize mask costs, the same FPGA simply stays in the product - a common pattern in industrial and mil-aero equipment. Because the device is one-time programmable, allocate multiple units per iteration during prototyping and reserve the -1 speed grade margin in timing closure. When designs outgrow 16K gates, the identical TQFP-144 footprint of A54SX32A-1TQG144I allows a drop-in capacity upgrade without PCB respin.
Recommandé
Medical Instrumentation Control Logic
Medical devices with long service lifetimes benefit from the stable, in-production legacy status of the SX-A family and from antifuse non-volatility: an instrument powers up into a known-secure logic state with no external configuration memory that could fail regulatory re-verification. The A54SX16A-1TQG144I handles front-end sequencing for imaging and diagnostic equipment - gain stepping, sample gating, safety interlocks - where 16K gates and 113 I/O cover typical sensor-interface needs. The industrial -40C to +85C rating covers sterilization-adjacent ambient extremes. Its 2.5V core and low static power suit battery-backed monitor subsystems. Design teams must document the fixed, one-time-programmed configuration as part of design-history files, which is actually simpler than managing reconfigurable bitstream versions.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour A54SX16A-1TQG144I — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | A54SX32A-2TQG144I | A54SX32A-1TQG144I | A54SX16A-1TQG144M | A54SX16A-TQG144A | A54SX32-TQ144I |
|---|---|---|---|---|---|---|
| Package | TQFP-144 | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 24000 | 36000 (SX32A) | 36000 (SX32A) | 24000 | 24000 | 32000 (SX32) |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V (SX family) |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | M (extended/military screening) | A (standard/commercial screening) | -40C to +85C (I) |
| RoHS / Lead Free | Compliant (G suffix) | Compliant (G suffix) | Compliant (G suffix) | Compliant (G suffix) | Compliant (G suffix) | Compliant (G suffix) |
| Lifecycle Status | Active (legacy, in production) | Active (legacy) | Active (legacy) | Active (legacy) | Active (legacy; in stock at microchipdirect) | Legacy SX generation (verify with Microchip) |
Principaux différenciateurs
- Secure, non-volatile antifuse fabric (vs A54SX32A-2TQG144I)
- Lower-cost than military-screened sibling (vs A54SX16A-1TQG144M)
- Newer SX-A architecture vs legacy SX (vs A54SX32-TQ144I)
Notes de conception
The A54SX16A-1TQG144I runs from a 2.5V core per the SX-A 0.25 um process. Provide a low-noise 2.5V rail decoupled with bulk (10 uF) plus 0.1 uF ceramic capacitors placed within a few millimeters of the TQFP-144 VCC pins. Because antifuse devices draw essentially no configuration current and static power is low, rail sizing is dominated by dynamic I/O switching current - size the regulator for worst-case 113 I/O toggling, not for fabric utilization.
Antifuse programming is irreversible. Never treat an A54SX16A-1TQG144I as an iteratively reprogrammable prototype: each timing or logic change requires a new physical device. Complete HDL simulation and timing analysis in the Microchip (Actel/Microsemi) design tools before submitting to the programmer, and order spare units for the debug cycle. Also avoid reusing SX16 (non-A) pinout files - verify all 144 pin assignments against the SX-A datasheet pin tables.
TQFP-144 is a 0.5 mm-pitch leaded package; design land patterns per the Microchip package drawing and use solder-mask-defined or non-solder-mask-defined pads consistently. Keep global clock signals on dedicated GCK pins and route them as short, guarded traces to minimize skew across the 113 user I/O. A solid ground plane under the device and return-via discipline for I/O banks will contain EMI from fast switching edges.
Informations de conformité
ROHS COMPLIANT and LEAD FREE per FindIC/Jotrin/Kynix listings; G suffix denotes lead-free package. REACH, halogen-free, and conflict-minerals status not stated in verified data.
