A54SX32A-FGG484 - 32K Gate SX-A FPGA 484-FBGA | Microchip
部品番号: A54SX32A-FGG484 ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $184.61 | $184.61 |
| 10 | $176.2 | $1,762.00 |
| 100 | $167.5 | $16,750.00 |
| 500 | $159.1 | $79,550.00 |
| 1,000 | $151.2 | $151,200.00 |
A54SX32A-FGG484 概要
An FPGA (Field Programmable Gate Array) is a semiconductor device containing a matrix of configurable logic blocks and programmable interconnects that the designer configures after manufacturing. Within the programmable logic hierarchy, the A54SX32A belongs to the antifuse FPGA class: one-time programmable (OTP) devices that retain their configuration permanently and require no external boot ROM. FPGAs sit between fixed-function ASICs and software-programmed processors in the broader programmable logic ecosystem, offering ASIC-like security and performance with NRE-free prototyping.
Key features of the A54SX32A-FGG484 include 32K system gates with 1800 logic cells in a sea-of-modules architecture, 249 versatile I/O pins supporting a wide range of standards, up to 238 MHz system toggle rate, and 0.25 um CMOS antifuse technology. Because the antifuse interconnect is inherently one-time programmable, the device consumes very low static power and resists bit-stream readback attacks, a key reason SX-A remains popular in defense and industrial designs.
Technical depth: the SX-A family uses a fine-grained, sea-of-modules routing fabric built on Actel's patented antifuse switch, delivering predictable interconnect delays and high routability without the configuration cells of SRAM FPGAs. With 2.5V core operation and a 27 x 27 mm 484-ball FBGA footprint, the device integrates glue logic, bus interfaces, and state machines into a single low-cost chip, replacing multi-chip PAL/CPLD+ASIC solutions.
Typical applications include military and aerospace logic integration, industrial control and automation, telecommunications line cards, and secure single-chip designs where design protection matters. The 249 I/O count suits wide-bus bridging and backplane interface duties.
Design consideration: antifuse FPGAs are one-time programmable - verify your design thoroughly in simulation and, ideally, on a debugging-friendly family before programming production devices, since a design change requires a new device.
This page synthesizes verified distributor pricing, same-footprint drop-in speed-grade and density alternatives, and practical design notes not found in the manufacturer datasheet alone.
ドロップイン代替品: A54SX32A-FGG484 — 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: A54SX32A-FGG484 （同一形状・フットプリント） — 相違点: Package, Speed Grade, Family, Operating Temperature, Process Technology.
クイック比較ツール — 並列比較する代替部品を選択:
A54SX32A-1FGG484
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$1 / 個
データシートを見る →A54SX32A-2FGG484
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$170.48 / 個
データシートを見る →A54SX32A-FGG484I
✅ ドロップイン📋 参考代替品（カタログ未掲載）
A54SX72A-FGG484
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$118.6 / 個
データシートを見る →A54SX72A-1FGG484
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$515 / 個
データシートを見る →A54SX32A-FGG484 最大定格＆電気的特性
| Family | SX-A |
| System Gates | 32000 gates |
| Logic Cells | 1800 cells |
| Number of I/O | 249 |
| Maximum Toggle Frequency | 238 MHz |
| Process Technology | 0.25 um CMOS antifuse |
| Supply Voltage (Core) | 2.5 V |
| Programming Technology | Antifuse (one-time programmable) |
| パッケージ | 484-Ball FBGA (27 x 27 mm) |
| 実装タイプ | Surface Mount |
| Speed Grade | Standard (no dash suffix) |
| Supply Voltage Range | 2.25 V to 5.25 V (per family supply data) |
| Packaging | Tray |
| Architecture | Sea-of-modules, fine-grained |
A54SX32A-FGG484 484-ball fbga (27 x 27 mm) ピン配置ガイド
A54SX32A-FGG484 (484-ball fbga (27 x 27 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: A54SX32A-FGG484.
詳細は データシート をご参照ください。
主な用途
A54SX32A-FGG484 の用途: 6 件s: Military and Aerospace Logic Integration, Industrial Control and Automation, Telecommunications Line Cards, Secure Single-Chip Designs, Test and Measurement Instrumentation, Legacy System Obsolescence Replacement.
Military and Aerospace Logic Integration
The A54SX32A-FGG484 is widely used in defense and space-adjacent programs where antifuse one-time-programmable technology is a requirement rather than an option. Its 32K-gate fabric integrates glue logic, bus arbitration, and interface controllers into a single 2.5V device, while the absence of configuration memory eliminates SEU-driven bitstream corruption and readback-based reverse engineering. The 249 user I/Os support wide parallel buses common in legacy avionics and munitions electronics. Designers place the device directly on 3.3V/5V-tolerant system boards with its 27 x 27 mm 484-FBGA footprint, taking advantage of the SX-A family's long lifecycle commitments. Because the device powers up instantly with no boot sequence, it fits safety-critical startup paths where SRAM FPGA configuration time is unacceptable.
おすすめ
Industrial Control and Automation
In factory automation and process control, the A54SX32A-FGG484 consolidates PLC I/O logic, encoder interfaces, and interlock state machines that previously required multiple PALs, CPLDs, and discretes. The 238 MHz toggle capability handles fast counter and PWM generation, while 249 I/Os terminate sensor and actuator buses directly. Antifuse programming gives OEMs protection against design cloning on the production floor - once burned, the configuration is physically unreadable. The 2.5V core keeps static power low for fanless control cabinets, and instant power-up means the controller is ready the moment DC bus voltage appears, simplifying deterministic startup sequencing. For designs needing more capacity, the pin-compatible A54SX72A-FGG484 drops onto the identical land pattern without a PCB respin.
おすすめ
Telecommunications Line Cards
The A54SX32A-FGG484 serves as backplane-interface glue logic in telecom line cards, bridging framers, processors, and crossbar switches. Its fine-grained sea-of-modules architecture delivers predictable routing delays for wide parallel data paths, and the 249 I/Os terminate H.110 or proprietary backplane buses. The one-time-programmable antifuse fabric contains no configuration storage, so a cold-swapped card is functional within microseconds of slot power - a property carrier equipment designers value for hot-swap and redundancy schemes. The 0.25 um process and 2.5V core keep per-channel switching power low across the many I/O toggles typical of line-card traffic. In redundant-card designs, the deterministic power-up also guarantees both active and standby cards present their backplane interfaces simultaneously.
おすすめ
Secure Single-Chip Designs
Where protecting firmware and logic IP is paramount - payment terminals, license-control hardware, cryptographic boundary logic - the A54SX32A-FGG484 offers a hardware security property SRAM FPGAs cannot match: the antifuse configuration cannot be read back, probed, or extracted. A design burned into the 32K-gate fabric is physically indistinguishable from a fixed-function ASIC to an attacker, yet avoids ASIC NRE and mask costs. The 249 I/Os allow sensitive logic to remain entirely on-chip, minimizing the exposed traces that bus-sniffing attacks target. Designers pair it with secure microcontrollers for layered protection: the MCU handles algorithms, while the antifuse FPGA guards the boot path and key material with instant-on logic active from first clock cycle.
おすすめ
Test and Measurement Instrumentation
Bench and automated test equipment uses the A54SX32A-FGG484 as a programmable timing, trigger, and bus-interface engine. The 238 MHz toggle rate supports high-resolution event counters and trigger state machines, while the fine-grained routing fabric yields deterministic, repeatable delays - important for instruments that must document their own timing uncertainty. Because the antifuse configuration is permanent, instruments power up ready-to-measure with no configuration latency, matching customer expectations of instant readiness. The 484-FBGA's 249 I/Os interface front-end comparators, DACs, and host interfaces simultaneously on one die, replacing the multi-chip glue-logic clusters of older designs. For calibration-heavy products, the bit-exact determinism of a burned-in design also simplifies requalification after service.
おすすめ
Legacy System Obsolescence Replacement
Many long-lifecycle platforms - rail signaling, medical devices, avionics - were built around Actel SX and SX-A devices and now face component obsolescence. The A54SX32A-FGG484 remains an active Microchip product and serves both as the original design-in part and as the continuation device for earlier A54SX32 builds. Its pin-compatible relationships within the family (speed grades -1/-2 and the 72K-gate A54SX72A-FGG484) let sustainment engineers re-source without PCB redesign: recompile the preserved RTL or netlist, reprogram, and refit. Because antifuse designs are frozen at burn time, a reprogrammed replacement is bit-identical to the original hardware behavior, eliminating re-qualification risk that a different FPGA architecture would introduce. This makes the family a standard obsolescence-migration target.
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: A54SX32A-FGG484 — 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 | A54SX32A-1FGG484 | A54SX32A-2FGG484 | A54SX32A-FGG484I | A54SX72A-FGG484 |
|---|---|---|---|---|---|
| Package | 484-FBGA (27 x 27 mm) | 484-FBGA - same | 484-FBGA - same | 484-FBGA - same | 484-FBGA - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 32000 gates | 32000 gates | 32000 gates | 32000 gates | 72000 gates |
| Logic Cells | 1800 cells | 1800 cells | 1800 cells | 1800 cells | 4032 cells |
| User I/O | 249 | 249 | 249 | 249 | 249 |
| Speed Grade | Standard | -1 (faster) | -2 (fastest) | Standard (industrial temp) | Standard |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
主な差別化要因
- Lowest-cost 32K-gate antifuse option in the 484-FBGA footprint （vs A54SX72A-FGG484)
- Balanced speed/cost vs fastest grade （vs A54SX32A-2FGG484)
- Instant power-up, no configuration device required （vs SRAM FPGAs (not pin-compatible))
- Extended temperature availability in same footprint （vs A54SX32A-FGG484I)
設計ノート
Antifuse devices are one-time programmable - do not treat this FPGA like an SRAM part during bring-up. Complete functional simulation and static timing analysis in Libero/Designer before programming, and prototype critical timing paths on a faster speed grade (-1 or -2) if timing margins are tight. Every design iteration consumes a physical device, so budget parts for debugging cycles. Once burned, the configuration cannot be corrected or updated - a single missed pin assignment means a scrapped 484-ball BGA.
The A54SX32A-FGG484 requires a regulated 2.5V core supply; family data indicates supply tolerance down to 2.25V minimum. Provide solid 2.5V planes with bulk capacitance near the package and decouple each supply ball group with 0.1 uF ceramics. Because the antifuse fabric is static, power depends almost entirely on I/O switching - size the core regulator for the small static current, but the I/O rail (typically 2.5V/3.3V per bank configuration) for the aggregate 249-I/O switching load in your design.
The 484-FBGA (27 x 27 mm, 1.0 mm ball pitch) requires a fine-pitch BGA land pattern and controlled-impedance breakout. Verify your fabricator supports the via-in-pad or dog-bone escape routing for the full 22 x 22 ball array, and that reflow profiles match BGA requirements. Since FGG and FG suffixes denote lead-free versus leaded ball metallurgy in this era of Microsemi parts, confirm solder alloy compatibility (SAC vs SnPb) with your assembly process before ordering.
I/O assignments are user-configurable in the SX-A compiler - use the pin report from your compiled design as the authoritative ball map rather than a generic diagram. Group related bus signals onto adjacent balls to shorten escape traces and control skew, and reserve balls near power/ground rings for the supply pairs. For timing-critical paths above roughly 100 MHz, run Designer's timing-driven place-and-route and verify the reported slack at your chosen speed grade before committing to programming.
コンプライアンス情報
Verified web data does not state RoHS/lead-free status for the standard FGG484 suffix. In this product era, FG/FGG suffixes typically denote leaded versus lead-free ball metallurgy - confirm the exact compliance declaration on the Microchip product page before release.
