A54SX32A-FFGG256 - 48K-Gate Antifuse FPGA, 256-BGA | Microchip
Référence : A54SX32A-FFGG256 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $118.5 | $118,50 |
| 10 | $109.2 | $1 092,00 |
| 100 | $98.75 | $9 875,00 |
| 500 | $91.4 | $45 700,00 |
| 1 000 | $85 | $85 000,00 |
A54SX32A-FFGG256 Présentation
An antifuse FPGA is a type of field-programmable gate array in which the interconnect configuration is permanently set at programming time by blowing microscopic antifuse links. Unlike SRAM-based FPGAs, antifuse devices are non-volatile with no configuration PROM, offer inherently higher design security because the bitstream cannot be read back, and consume lower static power. Within the programmable logic hierarchy, the A54SX32A belongs to the FPGA -> field-programmable logic -> programmable semiconductor category.
Key features include single-chip integration of multiple functions at low cost, support for 2.5V, 3.3V, and 5V I/O standards on the same device, and fabrication on 0.22 um / 0.25 um CMOS antifuse technology. The 203 I/O count enables glue-logic consolidation, bus bridging, and interface conversion in one package. The 256-ball FBGA footprint is shared across the A54SX32A speed and temperature variants, simplifying second-sourcing within the family.
Architecturally, the SX-A family uses a sea-of-modules fabric of combinational and sequential modules routed through a metal-metal antifuse interconnect matrix. Because configuration is hard-wired, the device exhibits no configuration-time delay at power-up, making it suitable for applications requiring immediate availability of logic at reset, and it is immune to configuration-upset effects that affect SRAM FPGAs in radiation-prone environments.
Typical applications include industrial control and automation glue logic, legacy system refresh where 5V-tolerant I/O is required, telecommunications line-card interface logic, aerospace and defense boards needing secure non-volatile configuration, and bridging between processors and ASICs or memory subsystems.
A key design consideration: antifuse devices are one-time programmable. Fix a logic change requires a new device, so complete functional simulation and prototype validation before committing volume production. Also note the commercial 0C to +70C rating; industrial-temperature applications should use the I-suffix variants such as A54SX32A-FGG256I.
This page synthesizes distributor pricing, drop-in family alternatives in the same 256-BGA footprint, and practical design notes not found in the manufacturer datasheet.
Alternatives de remplacement direct pour A54SX32A-FFGG256 — 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 A54SX32A-FFGG256 (même facteur de forme et même empreinte) — différant par Package, System Gates, Operating Temperature, Family, RoHS Status.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
A54SX32A-FGG256A
✅ Remplacement direct✓ En stock
$295.2 / unité
Voir la fiche technique →A54SX32A-FGG256I
✅ Remplacement direct✓ En stock
$83.27 / unité
Voir la fiche technique →A54SX32A-FGG256A
✅ Remplacement direct✓ En stock
$295.2 / unité
Voir la fiche technique →A54SX32A-FGG256M
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →A54SX32A-2FGG256
✅ Remplacement direct✓ En stock
$47.95 / unité
Voir la fiche technique →A54SX32A-1FGG256
✅ Remplacement direct✓ En stock
$1 / unité
Voir la fiche technique →A54SX32A-2FGG256I
✅ Remplacement direct✓ En stock
$368.59 / unité
Voir la fiche technique →A54SX32A-1FGG256I
✅ Remplacement direct✓ En stock
$316.27 / unité
Voir la fiche technique →A54SX32A-FFGG256 Valeurs maximales et caractéristiques électriques
| Family | SX-A (Antifuse FPGA) |
| System Gates | 48,000 |
| Typical Usable Gates | 32,000 |
| Configurable Logic Blocks (CLBs) | 2880 |
| User I/O | 203 |
| Tension d'alimentation | 2.25 V to 5.25 V |
| Supported I/O Standards | 2.5 V, 3.3 V, 5 V |
| Technology | 0.22 um / 0.25 um CMOS antifuse |
| Programming Type | One-time programmable (antifuse) |
| Température de fonctionnement | 0C to +70C (TA) |
| Boîtier | 256-FPBGA (17x17 mm), 256-BGA |
| Ball Pitch | 1 mm |
| Type de montage | Surface Mount |
| Packaging | Tray |
| Statut RoHS | ROHS3 Compliant |
| Lead Free | Yes |
| Manufacturer Lead Time | 10 weeks |
| Product Status | Active |
Guide de configuration des broches du A54SX32A-FFGG256 256-fpbga (17x17 mm), 256-bga
Configuration des broches du A54SX32A-FFGG256 (boîtier 256-fpbga (17x17 mm), 256-bga). 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 A54SX32A-FFGG256.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
A54SX32A-FFGG256 convient pour 6 applications: Industrial Control and Automation Glue Logic, Legacy System Refresh with 5V I/O, Telecommunications Line-Card Interface Logic, Secure Non-Volatile Configuration in Defense Electronics, Processor-to-ASIC/Memory Bridge Logic, Test and Measurement Fixture Logic.
Industrial Control and Automation Glue Logic
The A54SX32A-FFGG256 fits industrial control backplanes where multiple PLD functions must consolidate into one low-cost, single-chip solution. Its 203 user I/Os and 2.25V to 5.25V operating range let one device bridge legacy 5V TTL sensors, 3.3V microcontroller buses, and 2.5V memory interfaces without level-shifters. The antifuse fabric configures instantly at power-up, so machine-state logic is valid the moment the controller exits reset - important for safety interlocks. In a PLC I/O card, place the FPGA between the field connector and the host processor, decoding address ranges and driving status LEDs. The one-time-programmable nature also prevents field tampering with control logic, and the 0C to +70C rating covers typical cabinet-mounted environments.
Recommandé
Legacy System Refresh with 5V I/O
Many boards designed in the 1990s and 2000s depend on 5V-tolerant interface logic that modern FPGAs no longer support. The A54SX32A-FFGG256 directly accepts 5V, 3.3V, and 2.5V I/O standards on its 203 pins, making it ideal for respins of legacy ISA/VME-style cards, test fixtures, and defense spares. Because it is a 48,000-gate device (32,000 typical usable gates), it absorbs the address decoders, bus transceivers, and state machines originally spread across several 22V10-class PLDs. The 256-ball FBGA footprint is shared across A54SX32A speed/temperature variants, so a single PCB supports commercial and industrial builds. Designers should re-verify timing at the chosen speed grade, as the F grade is the slowest option in the family.
Recommandé
Telecommunications Line-Card Interface Logic
Telecom line cards require immediate-on configuration logic because backplane traffic must be processed as soon as power is applied; the A54SX32A-FFGG256 antifuse fabric has no configuration load time, unlike SRAM FPGAs that need tens of milliseconds plus a boot PROM. With 203 I/Os it terminates TDM backplane buses, drives framer interfaces, and performs multiplexing between the line side and the switch fabric. Its low static power suits high-density shelves where per-card wattage is budgeted. Place the device between the backplane connector and the framer/processor; use 3.3V I/O banks for the framer and 5V-tolerant pins where legacy backplane signaling persists. The commercial 0C to +70C rating fits central-office ambient conditions.
Recommandé
Secure Non-Volatile Configuration in Defense Electronics
Antifuse FPGAs are inherently resistant to bitstream extraction because the configuration exists as physical antifuse links rather than stored data, and there is no configuration readback path. The A54SX32A-FFGG256 therefore suits defense and avionics boards where IP protection and resistance to configuration tampering matter. The M-suffix variant (A54SX32A-FGG256M) shares the identical 256-FBGA footprint for military-range programs, enabling one PCB layout across program phases. Typical use includes mode-control logic, crypto module interfacing, and failsafe monitoring around a main processor. Note the 0C to +70C commercial rating of the FFGG256 itself: use I or M suffix parts for extended environments. Design re-entry costs mean antifuse suits stable, fully verified logic images.
Recommandé
Processor-to-ASIC/Memory Bridge Logic
The A54SX32A-FFGG256 serves as bus bridging silicon between a microprocessor and ASICs, FIFOs, or memory subsystems when off-the-shelf bridge chips are unavailable. Its 2880 CLBs implement address translation, wait-state generation, byte-lane steering, and interrupt aggregation, while 203 I/Os cover wide data buses in 5V, 3.3V, or 2.5V signaling. Because the device powers up fully configured, the bridge is operational during processor reset - a benefit over SRAM FPGAs whose boot sequencing must be coordinated with the CPU. Place the FPGA physically close to the processor on the PCB, keep bus trace lengths matched, and verify access timing at the F speed grade with worst-case industrial corners, selecting the A54SX32A-FGG256 faster grade if setup margins are tight.
Recommandé
Test and Measurement Fixture Logic
ATE fixtures and rack instruments benefit from the A54SX32A-FFGG256's mix of 5V-tolerant I/O, instant-on configuration, and one-time-programmable logic that cannot be accidentally altered in the field. Its 203 I/Os fan out stimulus and capture signals between the instrument controller and device-under-test sockets, implementing protocol mangling, clock dividers, and pass/fail comparison logic within 48,000 system gates. The 0C to +70C rating matches lab and production-floor environments. Implement the fixture logic once, verify by simulation and hardware trials, then commit - the antifuse programming guarantees the shipped fixture behaves identically to the validated unit. For fixtures exposed to unheated docks or cold storage, substitute the pin-compatible A54SX32A-FGG256I without PCB change.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour A54SX32A-FFGG256 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | A54SX32A-FGG256 | A54SX32A-FGG256I | A54SX32A-FGG256M | A54SX32A-2FGG256 |
|---|---|---|---|---|---|
| Package | 256-FPBGA (17x17 mm) | 256-FPBGA (17x17 mm) - same | 256-FPBGA (17x17 mm) - same | 256-FPBGA (17x17 mm) - same | 256-FPBGA (17x17 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48,000 (32,000 typical) | 48,000 (32,000 typical) | 48,000 (32,000 typical) | 48,000 (32,000 typical) | 48,000 (32,000 typical) |
| User I/O | 203 | 203 | 203 | 203 | 203 |
| 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 |
| Operating Temperature | 0C to +70C (commercial) | 0C to +70C (commercial) | -40C to +85C (industrial) | Military range | 0C to +70C (commercial) |
| Speed Grade | F (standard) | Standard (faster than F) | Standard (faster than F) | Standard (faster than F) | Speed grade 2 |
| Programming Technology | One-time programmable antifuse (0.22/0.25 um CMOS) | Antifuse OTP | Antifuse OTP | Antifuse OTP | Antifuse OTP |
Principaux différenciateurs
- Lowest-cost speed grade in the 256-FBGA footprint (vs A54SX32A-FGG256)
- 5V-tolerant I/O absent from modern FPGAs (vs Modern SRAM FPGA families)
- Instant-on, secure non-volatile configuration (vs SRAM-based FPGAs)
- Extended-temperature drop-in path on same footprint (vs A54SX32A-FGG256I)
Notes de conception
The A54SX32A-FFGG256 is one-time programmable: after antifuse programming there is no way to rework the logic image. Complete gate-level simulation, timing analysis, and hardware prototype trials before committing production devices. Budget for engineering spares during development. If field updates are anticipated, this is the wrong technology - consider an SRAM or flash-based FPGA family instead, since OTP savings apply only to frozen, fully verified designs.
The device accepts a single 2.25V to 5.25V supply with 2.5V, 3.3V, and 5V I/O standards mixed on the same chip. Per the SX-A family datasheet, thermal characteristics depend on device, package, operating temperature, current draw, and the system's ability to dissipate heat - verify theta-JA for the 256-FBGA against your airflow conditions. Decouple the supply with bulk plus 0.1uF ceramic capacitors at the BGA via field, and confirm the 5.25V absolute maximum is not exceeded during 5V rail transients.
The 256-FPBGA uses a 1 mm ball pitch in a 17x17 mm body. Define the land pattern per the Microchip SX-A datasheet package drawing and use the same footprint across all A54SX32A FGG256 variants (F/1/2/A/I/M) so speed and temperature grades can be swapped without a respin. Fan out with via-in-pad or dog-bone escape on the outer two rows; route the 203 I/O banks keeping 5V-tolerant signals separated from sensitive analog nets to limit crosstalk.
Temperature suffix matters: the FFGG256 is rated 0C to +70C only. Deploying it where ambient can drop below 0C (unheated enclosures, outdoor cabinets, cold storage) risks out-of-spec timing and reliability. Select the pin-compatible A54SX32A-FGG256I (industrial) or FGG256M (military range) instead. Also confirm the speed grade in your design timing sign-off matches the purchased suffix - the F grade is the slowest in the family.
Informations de conformité
ROHS3 Compliant and lead-free per Microchip USA and DigiKey product listings. REACH, halogen-free, and conflict-minerals declarations not itemized in verified data - obtain certificate of conformance from Microchip for formal compliance packages.
