A54SX32-TQ176I - 32K Gate SX FPGA, 147 I/O, TQFP-176 | Microchip
Référence : A54SX32-TQ176I ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
A54SX32-TQ176I Présentation
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of programmable logic blocks and interconnects that engineers configure in the field to implement custom digital circuits. Within the product hierarchy, the A54SX32 belongs to programmable logic ICs -> FPGA -> one-time-programmable antifuse FPGA, a category pioneered by Actel and continued under Actel, Microsemi, and now Microchip Technology.
Key features include the sea-of-modules architecture that delivers ASIC-like routing efficiency and deterministic timing, one-time-programmable antifuse technology that is inherently secure and radiation-tolerant compared to SRAM FPGAs, zero standby power configuration retention without an external boot PROM, and the 0.35 um CMOS process enabling 240 MHz toggle rates.
Technically, the SX family uses C-cells for combinational logic and R-cells for registers, connected through a three-level metal routing fabric. Because configuration is stored in antifuse elements rather than SRAM cells, the device powers up instantly with no configuration time and is immune to bitstream readback attacks.
Typical applications include industrial control and automation, bridge logic between 5V and 3.3V systems, glue-logic consolidation, avionics and defense subsystems, and telecommunications line-card functions where instant-on and single-chip security matter.
Design consideration: as a one-time-programmable device, verify the design thoroughly in simulation before programming, since a bitstream error consumes the physical part.
This page synthesizes verified distributor availability data, same-footprint drop-in family variants, and engineering guidance not found in a single manufacturer datasheet.
Alternatives de remplacement direct pour A54SX32-TQ176I — 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-TQ176I (même facteur de forme et même empreinte) — différant par Family, Package, Process Technology, System Gates, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
A54SX32-TQG176I
✅ Remplacement direct✓ En stock
$86.75 / unité
Voir la fiche technique →A54SX32-1TQG176I
✅ Remplacement direct✓ En stock
$45.2 / unité
Voir la fiche technique →A54SX32-2TQG176I
✅ Remplacement direct✓ En stock
$55.1 / unité
Voir la fiche technique →A54SX32-1TQG176
✅ Remplacement direct✓ En stock
$43.6 / unité
Voir la fiche technique →A54SX32-TQG176
✅ Remplacement direct✓ En stock
$31.2 / unité
Voir la fiche technique →A54SX32-TQ176M
✅ Remplacement direct✓ En stock
$135 / unité
Voir la fiche technique →A54SX32-TQ176I Valeurs maximales et caractéristiques électriques
| System Gates | 32000 |
| Logic Cells / Modules | 1800 |
| Maximum System Frequency | 240 MHz |
| Process Technology | 0.35 um CMOS |
| Supply Voltage - Core | 3 V to 3.6 V |
| Supply Voltage - I/O | 4.75 V to 5.25 V |
| User I/O | 147 |
| Program Technology | Antifuse (one-time programmable) |
| Boîtier / Format | 176-LQFP / 176-TQFP (24x24 mm) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +85C (industrial, I suffix) |
| Family | Actel SX (54SX) |
| Configuration Retention | Non-volatile (antifuse), no boot PROM required |
| Standby Power | Zero (antifuse, no configuration storage power) |
| Architecture | Sea-of-modules (C-cell + R-cell) |
Guide de configuration des broches du A54SX32-TQ176I 176-lqfp / 176-tqfp (24x24 mm)
Configuration des broches du A54SX32-TQ176I (boîtier 176-lqfp / 176-tqfp (24x24 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 A54SX32-TQ176I.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
A54SX32-TQ176I convient pour 6 applications: Industrial Control and Automation, 5V/3.3V Bridge Logic Consolidation, Avionics and Defense Subsystems, Telecommunications Line Cards, Medical Diagnostic Equipment, Security and Surveillance Systems.
Industrial Control and Automation
The A54SX32-TQ176I fits industrial controllers because its 5V-tolerant I/O ring (4.75V-5.25V) directly interfaces with legacy PLC sensor and actuator logic while the 3.0V-3.6V core keeps internal power low. Its 147 user I/O in a 24x24 mm TQFP consolidates glue logic, encoders, and sequencing state machines that would otherwise need multiple CPLDs. The antifuse fabric applies the configured design within microseconds of power-up, eliminating configuration latency and boot PROM reliability concerns on machinery that cycles power frequently. With 240 MHz system performance and industrial -40C to +85C rating, it handles deterministic timing-critical interlocks; the main trade-off is one-time programmability, so validated designs must be frozen before production programming.
Recommandé
5V/3.3V Bridge Logic Consolidation
Mixed-voltage legacy systems often need a single chip to translate and interconnect 5V TTL signals with 3.3V CMOS logic. The A54SX32-TQ176I is purpose-built for this: its I/O banks operate from a separate 5V (4.75V-5.25V) rail while the core runs at 3.3V, removing external level shifters. Designers typically implement bus arbitration, address decoding, and handshaking across the two domains in the 1800-module fabric, replacing dozens of 74-series devices. Because the antifuse configuration is non-volatile, the bridge is active the instant power is applied - important in backplanes without controlled power sequencing. The 240 MHz capability comfortably covers bus timing, and the industrial temperature option suits uncontrolled factory environments.
Recommandé
Avionics and Defense Subsystems
Antifuse FPGAs have long been favored in defense and avionics hardware because the programmed interconnect cannot be read back, offering inherent IP protection, and because the technology shows superior tolerance to configuration upsets compared with SRAM cells. The A54SX32-TQ176I provides 32,000 system gates for protocol engines, UART/SPI consolidation, and watchdog logic, with 147 I/O sufficient for MIL-STD-style discrete and serial interfaces. Zero-standby configuration power simplifies power budgets in conduction-cooled assemblies. The industrial -40C to +85C grade covers many ground-based and sheltered airborne environments; for radiation-critical orbits, designers move up to the RTAX radiation-t hardened families instead.
Recommandé
Telecommunications Line Cards
Telecom line cards need deterministic glue logic between framer/PHY devices and backplane interfaces. The A54SX32-TQ176I implements framing assist, alarm detection, and HDLC-lite functions across its 1800 modules, with the 240 MHz fabric margin covering T1/E1 and similar rates. Its instant-on antifuse behavior means line cards pass traffic immediately after hot-swap power-up rather than waiting tens of milliseconds for SRAM configuration - reducing network downtime during card swaps. The 5V I/O option interfaces with legacy backplane signalling while the 3.3V core connects to modern framer silicon. Industrial temperature rating suits outdoor plant equipment, and the TQFP package reflows onto standard line-card assembly processes.
Recommandé
Medical Diagnostic Equipment
Benchtop diagnostic instruments benefit from the A54SX32-TQ176I's deterministic, configuration-free startup: the acquisition logic is live the moment power is applied, which shortens calibration routines and eliminates boot-PROM failure modes in regulated equipment. Its 32K gates implement ADC control sequencing, trigger engines, and USB/UART bridge functions, while the 147 I/O handle front-end multiplexing. The 5V-tolerant I/O ring connects legacy analog front-end boards, and the 3.3V core talks to modern processors. Because the bitstream is fixed in antifuse elements, design provenance for regulatory documentation is unambiguous. Use the industrial temperature variant where the instrument enclosure runs warm from continuous operation.
Recommandé
Security and Surveillance Systems
Surveillance controllers use the A54SX32-TQ176I to consolidate camera interface timing, alarm I/O, and communications bridging in one 176-pin device. The antifuse fabric's immunity to configuration corruption makes it attractive for always-on security hardware that must not lose state after power dips, and zero configuration power trims standby draw in battery-backed panels. With 147 user I/O, one FPGA handles relay drives, sensor loops, and multiple UART channels to IP encoders; the 240 MHz fabric covers video sync generation for standard camera formats. The 5V I/O rail interfaces legacy alarm loops directly, and the industrial temperature rating suits unheated outdoor cabinets.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour A54SX32-TQ176I — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | A54SX32-TQG176I | A54SX32-1TQG176I | A54SX32-2TQG176I | A54SX32-1TQG176 | A54SX32-TQG176 |
|---|---|---|---|---|---|---|
| Package | 176-TQFP (24x24 mm) | 176-TQFP - same | 176-TQFP - same | 176-TQFP - same | 176-TQFP - same | 176-TQFP - same |
| Brand | Microchip Technology (Actel/Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 32000 | 32000 | 32000 | 32000 | 32000 | 32000 |
| User I/O | 147 | 147 | 147 | 147 | 147 | 147 |
| Max System Frequency | 240 MHz (std speed grade) | 240 MHz (std) | higher (-1 grade) | highest (-2 grade) | higher (-1 grade) | 240 MHz (std) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +85C | -40C to +85C | 0C to +70C (commercial) | 0C to +70C (commercial) |
| Supply Voltage | 3.0-3.6V core, 4.75-5.25V I/O | same dual-rail | same dual-rail | same dual-rail | same dual-rail | same dual-rail |
| Package Finish / RoHS | standard (TQ176) | green / RoHS lead-free | green / RoHS lead-free | green / RoHS lead-free | green / RoHS lead-free | green / RoHS lead-free |
Principaux différenciateurs
- Industrial temperature with 5V-tolerant I/O in same footprint (vs A54SX32-TQ176)
- RoHS-compliant green alternative available pin-for-pin (vs A54SX32-TQG176I)
- Instant-on antifuse configuration (vs SRAM FPGAs (any brand))
Notes de conception
The A54SX32-TQ176I requires two supply rails: 3.0V-3.6V for core logic and 4.75V-5.25V for the I/O ring. There is no documented power-up sequencing requirement for antifuse SX devices (unlike SRAM FPGAs), but decouple both rails locally with at least 0.1 uF per power pin plus bulk 10 uF capacitance. Estimated: at 240 MHz with heavy routing utilization, core current is on the order of tens of mA - consult the SX datasheet power calculator for your utilization figures rather than relying on worst-case numbers.
This is a one-time-programmable antifuse device. Once programmed, a bitstream error permanently consumes the physical part - there is no erase or rework path. Always complete full timing simulation and, where possible, validate logic on a reprogrammable prototyping platform (e.g., an SRAM FPGA or the SX silicon debugger flow) before committing to A54SX32-TQ176I production units. Order a small engineering lot for first-article programming and functional test before releasing the full production build.
The 176-TQFP (24x24 mm) has 0.5 mm pitch leads. Use a solder-mask-defined land pattern per the Microchip/Microsemi package drawing, with tie-bar thermal relief on the center under-package area if used. Keep 5V I/O traces separated from sensitive 3.3V core-domain signals where possible, and provide ESD protection on field-exposed I/O lines since the TQFP leads are directly operator-accessible in many panel applications.
Estimated: with typical SX32 core current in the tens of mA at 3.3V plus light 5V I/O loading, total dissipation is typically well under 0.5 W, which a standard 4-layer PCB with normal copper pours manages without a heatsink. Verify theta-JA for the 176-TQFP in the package drawing and re-check if you drive many outputs at high 5V load currents simultaneously.
Informations de conformité
The TQ176I (this part) uses the standard package finish; the TQG176I variants use the green RoHS-compliant package per FindIC comparison data. Verify current RoHS/REACH certificates with Microchip before new designs.
