A54SX72A-1FG256I - 72K Gate Antifuse FPGA 2.5V | Microchip
部品番号: A54SX72A-1FG256I ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $186.5 | $186.50 |
| 10 | $171.2 | $1,712.00 |
| 100 | $158.4 | $15,840.00 |
| 500 | $147.9 | $73,950.00 |
| 1,000 | $138.6 | $138,600.00 |
A54SX72A-1FG256I 概要
An antifuse FPGA is a field-programmable gate array whose interconnect configuration is permanently set at power-up programming time via antifuse elements, unlike SRAM FPGAs that reload configuration from external memory at every boot. In the programmable logic hierarchy, the A54SX72A sits within the FPGA family tree as a one-time-programmable (OTP), non-volatile device, making it immune to configuration readback, bit-stream interception, and radiation-induced configuration upsets.
Key differentiating features include zero configuration time (instant-on at power-up), no external configuration PROM or boot flash requirement, low static power typical of 2.5V 0.25um CMOS, and inherent design security because the programmed netlist physically exists in the silicon antifuse array. The SX-A architecture provides a sea-of-modules fabric with combinational and sequential logic modules and rich routing resources.
Technically, the device is fabricated on a 0.25um/0.22um CMOS process and supports system clock rates up to 250 MHz. Global and quadrant clock networks (CLKA, CLKB, and QCLK) distribute low-skew clocks across the die, supporting both single-domain and partitioned clocking schemes per Microchip application notes.
Typical applications include aerospace and industrial control logic integration, bridge and interface logic, bus controllers, glueless processor support, and secure single-chip integration of multiple ASSP functions where configuration volatility is unacceptable.
A key design consideration: because the device is one-time-programmable, final pinout and routing must be fully verified in the Libero/M Designer flow before programming, and engineering prototype wafers should be used during iterative development.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
ドロップイン代替品: A54SX72A-1FG256I — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: A54SX72A-1FG256I （同一形状・フットプリント） — 相違点: System Gates, Package, Process Technology, Operating Temperature, Family.
クイック比較ツール — 並列比較する代替部品を選択:
A54SX72A-1FGG256I
✅ ドロップイン✓ 在庫あり
$88 / 個
データシートを見る →A54SX72A-1FG256M
✅ ドロップイン✓ 在庫あり
$62.75 / 個
データシートを見る →A54SX72A-2FG256I
✅ ドロップイン✓ 在庫あり
$198 / 個
データシートを見る →A54SX72A-2FGG256I
✅ ドロップイン✓ 在庫あり
$79.4 / 個
データシートを見る →A54SX72A-FGG256I
✅ ドロップイン✓ 在庫あり
価格はお問い合わせください
データシートを見る →A54SX72A-1FGG256M
✅ ドロップイン✓ 在庫あり
$258.66 / 個
データシートを見る →A54SX72A-1FG256I 最大定格＆電気的特性
| Family | SX-A (Antifuse FPGA) |
| System Gates | 108K |
| Logic Gates | 72K |
| Logic Cells (Modules) | 4024 |
| Maximum System Frequency | 250 MHz |
| Process Technology | 0.25um/0.22um CMOS |
| Supply Voltage (Core) | 2.5 V |
| Number of User I/O | 203 |
| パッケージ | 256-ball FBGA (17x17x1.97 mm) |
| Programming Technology | Antifuse (one-time programmable) |
| Configuration | Non-volatile, no external boot device |
| Temperature Grade | Industrial (-40C to +85C) |
| 実装タイプ | Surface Mount |
| Packaging | Tray |
| RoHS ステータス | Compliant |
A54SX72A-1FG256I 256-ball fbga (17x17x1.97 mm) ピン配置ガイド
A54SX72A-1FG256I (256-ball fbga (17x17x1.97 mm) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: A54SX72A-1FG256I.
詳細は データシート をご参照ください。
主な用途
A54SX72A-1FG256I の用途: 6 件s: Aerospace and Avionics Logic Integration, Industrial Control and Automation, Secure Single-Chip System Integration, Bridge and Bus Interface Logic, Processor Support and System Glue Logic, Test and Measurement Instrumentation.
Aerospace and Avionics Logic Integration
The A54SX72A-1FG256I fits aerospace and avionics designs where configuration integrity is non-negotiable. Its antifuse fabric is one-time programmed, so the netlist cannot be read back, corrupted by SEU, or altered in flight - eliminating the configuration-upset failure mode that SRAM FPGAs must mitigate with triple-module redundancy and external configuration scrubbing. With 72K gates, 4024 cells, and quadrant clocking (CLKA, CLKB, QCLK), it integrates glue logic, bus interfaces, and control state machines that previously occupied multiple MIL-standard SSI/MSI devices, cutting board area, power, and qualification burden. The 2.5V core and 203 user I/O support legacy 3.3V/2.5V interface standards common in avionics backplanes. Design teams typically allocate the -1 speed grade for moderate-rate interfaces and step up to the -2 grade when static timing margins are tight.
おすすめ
Industrial Control and Automation
In factory automation, motor-control interfaces, and PLC I/O subsystems, the A54SX72A-1FG256I provides instant-on programmable logic that is active the moment power is applied - no boot time, no configuration device, no field firmware corruption risk. Its 250 MHz capability comfortably covers industrial encoder interfaces, PWM generation, and interlock logic, while the industrial -40C to +85C temperature grade matches uncontrolled cabinet environments. The one-time-programmable fabric also acts as an anti-counterfeiting and tamper deterrent for proprietary control algorithms, since the programmed design physically exists in antifuse elements and cannot be dumped from a configuration memory. Integration of multiple discrete glue-logic functions into the single 256-ball FBGA reduces PCB layers and component count, which is often the dominant cost driver in high-volume industrial control boards.
おすすめ
Secure Single-Chip System Integration
Where design IP must be protected from cloning, the A54SX72A-1FG256I is a strong fit: antifuse programming stores the design physically in silicon, so there is no bitstream to intercept on a configuration bus and no configuration memory to read out. This makes it suitable for security-critical bridges, authentication engines, and encryption key handling around secure processors. The 72K-gate capacity hosts AES/DES datapaths, interface state machines, and board-level trust logic concurrently, while 203 user I/O in the 256-ball FBGA connects to multiple bus domains. Compared with SRAM FPGA solutions that require encrypted bitstreams and battery-backed key storage - both attackable - the antifuse approach removes the attack surface entirely. Designers should note the one-time-programmable nature requires a frozen, fully verified netlist before production programming.
おすすめ
Bridge and Bus Interface Logic
The A54SX72A-1FG256I serves as a protocol bridge between mismatched bus domains - for example PCI-to-local-bus, VME slave interfaces, or microprocessor-to-FIFO glue - where 250 MHz internal capability and deterministic, instant-on behavior are required. Its sea-of-modules fabric handles both combinational decoding and registered pipeline stages, and quadrant clock networks let designers run independent clock domains for each bus side without global clock contention. The 203 user I/O supports wide parallel buses (32/64-bit) with 2.5V-compatible I/O in the 256-ball FBGA footprint. Because there is no configuration load time, the bridge is functional within nanoseconds of power application, critical in backplane systems where other boards expect immediate bus participation. Timing closure at the -1 speed grade should be verified with Microchip static timing tools for the target bus frequencies.
おすすめ
Processor Support and System Glue Logic
Legacy and embedded processor systems often need address decoding, interrupts, DMA handshake, wait-state generation, and reset supervision consolidated into one programmable device. The A54SX72A-1FG256I handles this with 72K gates of usable capacity while its antifuse fabric guarantees the decode logic is present at every power cycle - important for processors that fetch from flash immediately at reset. The 0.25um/0.22um 2.5V process keeps static power low, an advantage in always-on or battery-buffered control planes. In cost terms, replacing dozens of 74-series devices with one FBGA reduces board area, assembly steps, and failure points. The industrial temperature grade and tray packaging suit both prototyping and mid-volume production. Design reuse between the FG256 and FG484 pinout variants allows a single design to serve multiple board sizes.
おすすめ
Test and Measurement Instrumentation
Instrument backplanes, trigger engines, and timing generators benefit from the A54SX72A-1FG256I's deterministic instant-on configuration and 250 MHz internal capability. In counters, data-acquisition front ends, and protocol analyzers, the FPGA implements trigger comparators, timestamp counters, and bus interfaces in one chip, while antifuse determinism guarantees identical timing behavior unit-to-unit - valuable for calibrated instruments where SRAM FPGA routing variation and configuration-state dependence complicate calibration. The 4024-cell fabric with quadrant clocks supports multichannel, phase-aligned timing generators, and the industrial temperature rating covers bench-to-field deployment. Since the configuration is permanent, instruments power up directly into a known operational state, eliminating boot-time logic that could produce spurious output signals at turn-on - a frequent complaint with SRAM-based FPGA instruments.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: A54SX72A-1FG256I — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | A54SX72A-1FGG256I | A54SX72A-1FG256M | A54SX72A-2FG256I | A54SX72A-2FGG256I |
|---|---|---|---|---|---|
| Package | 256-ball FBGA | 256-ball FBGA - same | 256-ball FBGA - same | 256-ball FBGA - same | 256-ball FBGA - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108K (72K gates) | 108K (72K gates) | 108K (72K gates) | 108K (72K gates) | 108K (72K gates) |
| Logic Cells | 4024 | 4024 | 4024 | 4024 | 4024 |
| Speed Grade | -1 (standard) | -1 (standard) | -1 (standard) | -2 (faster) | -2 (faster) |
| Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Temperature Range | Industrial (-I) | Industrial (-I) | Military (-M) | Industrial (-I) | Industrial (-I) |
| Lead-Free / RoHS | Standard (FG) | Lead-free (FGG), RoHS compliant | Standard (FG) | Standard (FG) | Lead-free (FGG), RoHS compliant |
主な差別化要因
- Instant-on antifuse configuration with no boot device （vs A54SX72A-2FG256I)
- RoHS upgrade path without redesign （vs A54SX72A-1FGG256I)
- Cost-optimized speed grade （vs A54SX72A-2FG256I)
設計ノート
The A54SX72A is one-time programmable: once antifuse elements are blown, the device cannot be erased or reprogrammed. Complete static timing analysis, simulation, and functional verification in the Libero/Designer flow before submitting to programming. Reserve engineering-space prototype devices for iterations and only program production-verified netlists into the -1 industrial grade parts. Also confirm speed-grade binning matches your timing constraints - a -1 part will not close timing designed for a -2 grade.
The A54SX72A operates from a 2.5V core supply (VCCA/VCCI domains per the SX-A datasheet). Decouple each supply ball pair with low-ESR ceramic capacitors placed close to the package, typically 0.1uF per supply pin plus bulk capacitance at the board level. Because antifuse FPGAs draw no configuration current at power-up, inrush is governed only by I/O loading - but verify the power rail ramp rate against datasheet power-up requirements to avoid latch-up conditions on mixed 3.3V/2.5V I/O banks.
With 203 user I/O on a 1.0 mm-pitch 256-ball FBGA (17x17 mm body), plan breakout routing early: fan out inner balls with via-in-pad or dogleg escapes on a minimum 4-layer stack. Use the quadrant clock networks (CLKA, CLKB, QCLK) documented in Microchip's quadrant clock application notes to keep per-domain clock skew low; assigning clocks to the nearest quadrant reduces routing delay variation across wide buses. Reference planes should be solid under high-speed I/O to control impedance.
コンプライアンス情報
Newark lists the A54SX72A-1FG256I as RoHS Compliant: Yes. For lead-free ball metallurgy, the A54SX72A-1FGG256I variant is the RoHS-dedicated part number per Newark and Microchip USA listings. REACH, halogen-free, and conflict-minerals status not stated in provided data.
