A54SX08-TQ144 - 12K Gate SX FPGA, 113 I/O | Microsemi
Référence : A54SX08-TQ144 ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $42.5 | $42,50 |
| 10 | $39.8 | $398,00 |
| 100 | $36.2 | $3 620,00 |
| 500 | $33.1 | $16 550,00 |
| 1 000 | $30.4 | $30 400,00 |
A54SX08-TQ144 Présentation
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that engineers configure after manufacturing to implement custom digital circuits. Within the programmable logic hierarchy, the SX family sits among high-performance one-time-programmable (OTP) antifuse FPGAs, which contrasts with SRAM-based FPGAs that require external configuration memory.
Key features include the sea-of-modules antifuse architecture that delivers ASIC-like performance with clock rates up to 320 MHz in speed-grade variants, non-volatile one-time programming that eliminates configuration boot time and protects designs from cloning, and 113 available user I/O for wide-bus interfacing. The antifuse fabric also reduces static power consumption compared to SRAM FPGAs and provides inherent resistance to configuration bitstream corruption.
The SX architecture uses a combination of C-cells (combinatorial logic modules) and S-cells (sequential logic modules) organized into 768 cluster blocks, enabling deterministic, low-jitter routing suited to performance-intensive applications. Because the interconnect is programmed by blowing antifuse links, signal path delays are fixed after programming, simplifying timing closure versus reprogrammable fabrics.
Typical applications include telecommunications line cards, industrial control logic, bus bridging, glue logic integration, and embedded systems requiring single-chip logic consolidation. The dual voltage domain support eases integration into legacy 5V and 3.3V mixed systems.
Designers should note this specific part is marked Obsolete (EOL); new designs should select the active A54SX08-TQG144I variant, and production systems should secure remaining stock or qualify a pin-compatible alternative.
This page synthesizes distributor availability, family drop-in variants, lifecycle status, and practical design guidance not consolidated in the manufacturer datasheet.
Alternatives de remplacement direct pour A54SX08-TQ144 — 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 A54SX08-TQ144 (même facteur de forme et même empreinte) — différant par Mounting Type, Family, Operating Temperature, Package, Process Technology.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
A54SX08-TQG144I
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →A54SX08-2TQ144PP
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
A54SX08-TQ144I
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
A54SX16-TQ144
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
A54SX32-TQ144
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$212 / unité
Voir la fiche technique →A54SX08-TQ144 Valeurs maximales et caractéristiques électriques
| Series | SX |
| Equivalent Gate Count | 12000 gates |
| Number of LABs/CLBs | 768 |
| Number of I/O | 113 |
| Supply Voltage (core) | 3 V to 3.6 V |
| Supply Voltage (I/O) | 4.75 V to 5.25 V |
| Température de fonctionnement | 0C to +70C (TA) |
| Boîtier / Format | 144-LQFP (144-TQFP, 20x20 mm) |
| Type de montage | SMD (SMT) |
| Programmable Type | One-Time Programmable (antifuse) |
| Catégorie | Integrated Circuits (ICs) - Embedded FPGAs |
| Terminal Pitch | 0.5 mm |
| Statut du cycle de vie | Obsolete (EOL) |
| Packaging | Tray |
Guide de configuration des broches du A54SX08-TQ144 144-lqfp (144-tqfp, 20x20 mm)
Configuration des broches du A54SX08-TQ144 (boîtier 144-lqfp (144-tqfp, 20x20 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 A54SX08-TQ144.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
A54SX08-TQ144 convient pour 6 applications: Telecommunications Line Cards, Industrial Control and PLC I/O, Bus Bridging and Protocol Conversion, Secure/Cloning-Resistant Embedded Logic, Aerospace Legacy System Sustainment, Test and Measurement Instrumentation.
Telecommunications Line Cards
The A54SX08-TQ144 fits telecom line-card designs where deterministic timing and a 5V-tolerant I/O domain are required to bridge legacy backplanes such as T1/E1 framer interfaces. Its 12,000 gates and 768 CLBs consolidate framers, HDLC controllers, and glue logic that previously occupied multiple PLDs, while the antifuse fabric delivers fixed routing delays that simplify the timing analysis of multi-board synchronous links. Placed between a 5V backplane connector and 3.3V digital circuitry, the dual-rail supply (3.0-3.6V core, 4.75-5.25V I/O) eliminates level-shifters and their propagation delay. Because the device is one-time programmable, the configured design powers up instantly with no configuration fetch - a requirement for carrier-grade availability targets - and the absence of a readable bitstream protects proprietary line-protocol IP from cloning on manufactured boards.
Recommandé
Industrial Control and PLC I/O
In industrial controllers, the A54SX08-TQ144 implements deterministic state machines, encoder interfaces, and safety interlock logic where boot-up time must be zero. The 113 user I/O directly accept 5V industrial sensor levels via the 4.75-5.25V I/O rail, removing external buffering in retrofit designs that mix legacy 24V-field interfacing electronics with modern logic. The antifuse fabric's immunity to configuration corruption from electrical noise or brownouts is a distinct advantage in factory environments where SRAM FPGA frames can flip. With 12,000 gates the device integrates counter/timer arrays and bus arbitration for PLC I/O racks in one package, cutting board area versus discrete 74-series logic. Designers should note the commercial 0C to +70C rating: for cabinet environments below 0C, select the industrial-grade A54SX08-TQG144I drop-in variant instead.
Recommandé
Bus Bridging and Protocol Conversion
The A54SX08-TQ144 serves as a protocol and bus-width bridge between mismatched system domains, for example converting a 16-bit 5V VME-style backplane to a 3.3V microprocessor local bus. Its sea-of-modules architecture sustains high clock rates with low jitter because antifuse routing delays are fixed at programming time, meeting tight setup/hold budgets across the bridge path without dynamic re-route risk. With 113 I/O, wide 32-bit address/data multiplexed buses plus control signals fit in a single 144-pin TQFP, replacing a cluster of bus transceivers and PALs and cutting propagation latency by tens of nanoseconds per transfer. The dual supply rails let the same chip talk to both 5V and 3.3V sides simultaneously, which is the defining reason legacy bridge designs specified this SX part.
Recommandé
Secure/Cloning-Resistant Embedded Logic
Designs protecting proprietary algorithms benefit from the A54SX08-TQ144's antifuse one-time programming: unlike SRAM FPGAs, there is no configuration bitstream stored on or loaded into the device, so read-back attacks and bitstream interception yield nothing. The Microchip SX datasheet describes the antifuse fabric as permanently programmed at the factory floor using Silicon Sculptor programmers, making reverse engineering require destructive delayering of each unit. Applications include licensed peripheral dongles, pay-TV conditional-access boards, and instrument firmware locks. The 12,000-gate capacity accommodates authentication state machines, hash-function datapaths, and counter-based key checks with margin. Teams must accept the trade-off: any post-release logic change requires physically new programmed devices, so freeze the design and maintain secure programming files plus unprogrammed spares.
Recommandé
Aerospace Legacy System Sustainment
Although this commercial-grade TQ144 variant is rated 0C to +70C, the SX antifuse family's radiation-tolerant heritage means many aerospace ground equipment and test sets were built around it, and sustainment programs still require the exact part. The one-time-programmable fabric contains no configuration memory to upset, so boards power up immediately after reset - valuable in test instrumentation cycling power frequently. Its 12,000 gates reproduce original card logic exactly, avoiding risky re-designs of qualified avionics ground support equipment. Sourcing is the dominant engineering constraint since the part is obsolete: programs should buy-out remaining verified stock, then qualify the pin-compatible A54SX08-TQG144I active variant, re-running Libero Designer place-and-route and repeating board-level functional test before fleet-wide adoption.
Recommandé
Test and Measurement Instrumentation
Bench and automated test equipment uses the A54SX08-TQ144 for timing generators, trigger matrices, and instrument backplane arbitration, where its fixed antifuse delays provide repeatable channel-to-channel skew that reprogrammable fabrics cannot guarantee run-to-run. The 113 I/O directly drive 5V TTL-level stimulus into legacy DUT interfaces, and the 320 MHz-class family timing supports high-resolution pulse generation in speed-grade variants. Because the design is hard-wired after programming, measurement calibration stays valid across power cycles with no configuration reload jitter. In production testers, the non-readable configuration also protects proprietary test patterns from extraction by contract manufacturers. Engineers should budget the one-time programming step into production flow and keep programmed spare devices since field firmware updates are impossible with antifuse silicon.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour A54SX08-TQ144 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | A54SX08-TQG144I | A54SX08-2TQ144PP | A54SX16-TQ144 | A54SX32-TQ144 |
|---|---|---|---|---|---|
| Package | 144-LQFP (20x20 mm) | 144-LQFP - same | 144-TQFP (PQFP) - same | 144-TQFP - same | 144-TQFP - same |
| Brand | Microsemi | Microsemi (Microchip) | Microchip Technology | Microsemi | Microsemi |
| Equivalent Gates | 12000 | 12000 | 8000 (variant designation) | 24000 | 36000 |
Principaux différenciateurs
- Active-production replacement available in identical footprint (vs A54SX08-TQG144I)
- Faster timing headroom without PCB change (vs A54SX08-2TQ144PP)
- Upgrade path on the same board (vs A54SX16-TQ144)
Notes de conception
The A54SX08-TQ144 requires two supply rails: 3.0-3.6V for the core and 4.75-5.25V for the I/O bank. Decouple each rail with at least 0.1 uF ceramic per pair of VCC pins plus 10 uF bulk per rail, placed within 5 mm of the pins given the 0.5 mm-pitch 144-TQFP escape density. Sequencing is not critical per the SX family datasheet, but keep the 5V I/O rail within absolute maximums during hot-swap events; a series ferrite on the 5V domain tames backplane inrush. Verify per-rail current from the Libero Designer power report before finalizing the regulator budget.
This part is one-time-programmable and obsolete. Never treat it like an SRAM FPGA: a logic bug after programming means scrapping physical silicon, so complete full simulation (gate-level, post-layout back-annotated timing) in Libero Designer before committing antifuse programming files. Because the plain -TQ144 commercial part is EOL, specify the active A54SX08-TQG144I in new BOMs - it is footprint-identical but adds industrial temperature and lead-free finish, both of which also ease RoHS compliance audits on otherwise legacy boards.
The 144-TQFP 20x20 mm outline with 0.5 mm pitch requires 0.2-0.25 mm trace/space under the lead rows; a single 5-mil design rule escapes all 144 leads on two signal layers. Use a solid ground plane on layer 2 with via stitching along the package perimeter to control return paths for the 5V I/O domain. Provide a thermal pad of vias to ground plane under the die center to aid heat spreading - the TQFP theta_JA depends strongly on plane copper area. Keep high-fanout clock sources within 20 mm of the clock input pin to preserve the family's low-jitter advantage.
Informations de conformité
Verified web data does not state RoHS/REACH status for the base -TQ144 (obsolete) part. The green lead-free A54SX08-TQG144I variant should be assumed for compliance-driven designs; confirm certificates with Microchip.
