A54SX72A-2FGG256I - 108K-Gate Antifuse FPGA 256-BGA | Microchip
N.º da peça: A54SX72A-2FGG256I ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $118.5 | $118,50 |
| 10 | $106.65 | $1.066,50 |
| 100 | $94.8 | $9.480,00 |
| 500 | $87.1 | $43.550,00 |
| 1.000 | $79.4 | $79.400,00 |
A54SX72A-2FGG256I Visão geral
An antifuse FPGA is a type of field-programmable gate array whose interconnect elements are permanently programmed at power-up programming time using a one-time programmable (OTP) antifuse technology. Unlike SRAM FPGAs, antifuse devices retain their configuration without any boot device, offer inherent resistance to configuration readback (a security advantage), and exhibit low static power, making them a foundational category within the programmable logic hierarchy: FPGA -> one-time-programmable FPGA -> antifuse FPGA -> programmable logic device.
Key features include 0.25 um CMOS antifuse process technology, single 2.5V core supply operation for low power, dedicated quadrant and global clock networks (CLKA, CLKB and QCLK) supporting high-speed synchronous design, and a sea-of-modules architecture built on C-cells and R-cells that maximizes routable logic density. The -2 speed grade is the fastest commercial bin in the SX-A family, supporting core toggle frequencies up to 294 MHz.
Technically, the SX-A architecture combines high-performance routing with predictability: each logic module drives short local and long-line routing segments, and the antifuse interconnect adds negligible capacitance, preserving speed. Because configuration is non-volatile and loaded internally, the device requires no external PROM, reduces board BOM cost, and eliminates configuration-bitstream loading latency at power-up.
Typical applications include industrial control and automation glue logic integration, communications and networking line-card functions, aerospace and defense program-protected logic (secure by readback prevention), and single-chip consolidation of multiple ASSP/PLD functions to cut system cost.
Design consideration: antifuse devices are one-time programmable, so fully verify your design in simulation and, where possible, prototype on the companion SX-A development flow before committing production programming files.
This page synthesizes distributor pricing, drop-in alternatives, pin/package information, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para A54SX72A-2FGG256I — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com A54SX72A-2FGG256I (mesmo formato e footprint) — diferindo em Package, System Gates, Operating Temperature, Process Technology, Speed Grade.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
A54SX72A-2FGG256
✅ Drop-In✓ Em estoque
$217.72 / unidade
Ver ficha técnica →A54SX72A-1FGG256I
✅ Drop-In✓ Em estoque
$88 / unidade
Ver ficha técnica →A54SX72A-FGG256I
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →A54SX72A-FFG256
✅ Drop-In✓ Em estoque
$185 / unidade
Ver ficha técnica →A54SX72A-FG256I
✅ Drop-In✓ Em estoque
$1054.22 / unidade
Ver ficha técnica →A54SX72A-FFGG256
✅ Drop-In✓ Em estoque
$65.8 / unidade
Ver ficha técnica →A54SX72A-2FGG256I Classificações máximas e características elétricas
| Family | SX-A (Actel/Microsemi antifuse FPGA) |
| System Gates | 108,000 typical (72,000 nominal) |
| Logic Cells | 4,024 |
| Number of I/O | 203 |
| Speed Grade | -2 (fastest commercial) |
| Maximum Toggle Frequency | 294 MHz |
| Core Supply Voltage | 2.5 V |
| Process Technology | 0.25 um CMOS antifuse |
| Programming Type | One-Time Programmable (OTP) antifuse |
| Configuration Storage | Non-volatile (no external boot PROM) |
| Encapsulamento | 256-ball FBGA (17x17 mm) |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | -40C to +85C (industrial) |
| Clock Networks | CLKA, CLKB, quadrant clocks (QCLK) |
| Packaging | Tray |
| Status RoHS | Compliant (lead-free version per distributor listing) |
Guia de Configuração de Pinos do A54SX72A-2FGG256I 256-ball fbga (17x17 mm)
Configuração de pinos para A54SX72A-2FGG256I (pacote 256-ball fbga (17x17 mm)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para A54SX72A-2FGG256I.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
A54SX72A-2FGG256I é adequado para 6 aplicaçãos: Industrial Control and Automation, Defense and Secure Logic, Communications and Networking Line Cards, Single-Chip Function Integration / BOM Cost Reduction, Test and Measurement Equipment, Legacy System Sustainment and Obsolescence Management.
Industrial Control and Automation
The A54SX72A-2FGG256I consolidates glue logic, address decoding, state machines, and bus interfacing into one 108K-gate antifuse FPGA in industrial -40C to +85C rating. Its 203 user I/Os interface PLC backplanes, motor-control encoders, and sensor banks, while the 2.5 V core keeps static power low in always-on factory equipment. Because configuration is one-time-programmable and stored on-chip, the FPGA is instantly active at power-up with no boot PROM latency, which matters for deterministic machinery startup. Place it between a 3.3 V microcontroller and legacy 5 V-tolerant field signaling with appropriate level translation; the 294 MHz toggle capability of the -2 speed grade far exceeds typical industrial timing needs, giving wide design margin.
Recomendado
Defense and Secure Logic
Antifuse configuration is the core reason the A54SX72A-2FGG256I fits defense and secure-system designs: the programmed bitstream cannot be read back, so reverse engineering the logic requires physical decapping, and there is no external configuration flash to intercept. The industrial -40C to +85C rating covers ruggedized ground-based defense electronics, while the same die is offered in radiation-tolerant RT54SX72S form for space programs. With 108K system gates the device implements encryption helpers, bus protocol bridges (MIL-STD-1553 companion logic, custom interfaces), and secure boot support logic. Designers should run full timing simulation of security-critical paths and lock programming files under configuration control, since OTP parts cannot be reprogrammed after field programming.
Recomendado
Communications and Networking Line Cards
In telecom and networking line cards, the A54SX72A-2FGG256I implements framing, multiplexing, backplane interfacing, and control-plane glue logic at line rates well within its 294 MHz toggle capability. The 203 I/Os connect SONET/SDH framers, PHYs, and backplane connectors, while dedicated CLKA, CLKB, and quadrant clock (QCLK) networks keep synchronous domains clean across the 256-ball FBGA. The antifuse interconnect provides consistent, low-capacitance routing that simplifies timing closure for high-speed paths, and single 2.5 V operation reduces rail count. Use the -2 speed grade version, as in this MPN, when retiming or high fan-out clocking consumes timing budget in the -1 parts.
Recomendado
Single-Chip Function Integration / BOM Cost Reduction
Microchip positions the SX-A family explicitly for system-wide savings by integrating multiple ASSPs, PALs, GALs, and discrete glue logic into one low-cost, single-chip solution. Replacing 10-30 small logic devices with one A54SX72A-2FGG256I cuts board area, reduces assembly cost, removes multiple reprogramming/obsolescence risks, and eliminates configuration-PROM inventory because antifuse programming is internal and permanent. With 108K typical system gates and 4,024 modules, a full integration pass typically leaves headroom for future feature additions. The 17x17 mm 256-ball FBGA fits standard SMT assembly. Budget engineering effort for thorough pre-programming verification, since OTP silicon cannot be reworked after field programming.
Recomendado
Test and Measurement Equipment
Bench instruments, ATE load boards, and protocol analyzers benefit from the A54SX72A-2FGG256I's combination of 203 I/Os, deterministic timing, and no-boot-startup behavior. On ATE interface boards the FPGA provides channel steering, trigger logic, and pattern generation, with the -2 speed grade's 294 MHz toggle rate supporting fast clock domains. Because the antifuse design never reloads configuration, measurement equipment reaches an operational state immediately after power application, removing boot-time variability from test sequences. The industrial temperature rating also tolerates heated instrument enclosures. Designers should plan I/O standards and termination on the 2.5 V-compatible banks early, since OTP programming fixes the I/O configuration permanently.
Recomendado
Legacy System Sustainment and Obsolescence Management
For programs sustaining legacy Actel/Microsemi-based designs, the A54SX72A-2FGG256I is the current Microchip-branded continuation of the original A54SX72A silicon, keeping long-lifecycle systems (avionics ground support, medical equipment, industrial plants) maintainable. Because the die and 256-FBGA footprint are unchanged from the original Actel release, existing programming files and Libero/Designer project archives map directly onto new-build boards, and the lead-free FGG256I version supports modern RoHS assembly lines replacing leaded FG256 predecessors. XAIPART stocks multiple speed grades and temperature variants, letting sustainment engineers trade timing margin against availability during allocation cycles without PCB changes.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para A54SX72A-2FGG256I — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | A54SX72A-2FGG256 | A54SX72A-1FGG256I | A54SX72A-FFG256 | A54SX72A-FGG256I |
|---|---|---|---|---|---|
| Package | 256-FBGA (FGG256, 17x17 mm) | 256-FBGA - same | 256-FBGA - same | 256-FBGA (FG256) - same ball count | 256-FBGA - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108K typical | 108K typical | 108K typical | 108K typical | 108K typical |
| Speed Grade | -2 (up to 294 MHz toggle) | -2 (up to 294 MHz) | -1 (slower) | standard (slower) | standard (slower) |
| Operating Temperature | -40C to +85C (industrial) | 0C to +70C (commercial) | -40C to +85C (industrial) | 0C to +70C (commercial) | -40C to +85C (industrial) |
| User I/O | 203 | 203 | 203 | 203 | 203 |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Ball Metallurgy | Lead-free (FGG) | Lead-free (FGG) | Lead-free (FGG) | Legacy leaded (FG) | Lead-free (FGG) |
Principais diferenciais
- Fastest SX-A speed grade available (vs A54SX72A-1FGG256I)
- Industrial temperature rating (vs A54SX72A-2FGG256)
- Lead-free RoHS-compatible assembly (vs A54SX72A-FFG256)
- Largest SX-A density in this package (vs A54SX32A-2FGG256I)
Notas de projeto
The 256-ball FBGA (17x17 mm, 1.0 mm ball pitch per Utmel listing) requires a fanout region of roughly 10x10 vias; use via-in-pad or dog-bone fanout with 0.3 mm drills. Target 4+ layer stackup with dedicated 2.5 V core and ground planes, since 203 I/Os plus core current concentrate in the center ball region. Follow the SX-A datasheet power-ball assignment and place bulk 10-47 uF plus local 0.1 uF decoupling on each supply ball cluster. Verify BGA reflow profile against lead-free (FGG) ball metallurgy, typically SAC alloys requiring peak temperatures near 245C.
Antifuse FPGAs are one-time programmable: after programming, the A54SX72A-2FGG256I cannot be erased or updated. Complete gate-level timing simulation, verify I/O assignments against the FGG256 ball map in Libero/Designer, and confirm speed-grade selection before releasing the programming file. A -2 timing-signed-off design can safely move to slower bins only with re-closure. Also remember there is no configuration readback or rework path; keep programming files and checksums under revision control for field-service replacement parts.
Estimated: SX-A antifuse devices draw low static power since no configuration SRAM exists; dynamic power dominates and scales with toggle rate, I/O count, and load capacitance per the SX-A datasheet power equations. For a fully utilized 108K-gate design toggling at moderate rates, budget the 2.5 V rail with margin and compute dynamic current using Microchip's Designer power calculator with your actual net switching activity rather than worst-case assumptions. Provide adequate plane copper and decoupling near VCCA/VCCI balls to prevent rail droop during simultaneous switching of the 203 I/Os.
Informações de conformidade
Distributor listings (PCB Electronics Supply Chain, DigiKey, Mouser) identify A54SX72A-2FGG256I as lead-free/RoHS compliant. REACH, halogen-free, and conflict-minerals status not stated in provided data - confirm on Microchip environmental pages.
