A54SX32A-FGG256M - 48K Gate Antifuse FPGA 256-BGA | Microchip
部品番号: A54SX32A-FGG256M ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
A54SX32A-FGG256M 概要
An antifuse FPGA is a programmable logic device whose interconnect switches are permanently programmed at power-up by an on-board or external programmer. Unlike SRAM-based FPGAs from Xilinx or Intel (Altera), antifuse devices are non-volatile and instantly live at power-on, with no configuration PROM, no configuration time, and inherently high resistance to bitstream tampering. Within the programmable logic hierarchy (FPGA -> field-programmable gate array -> programmable logic IC -> semiconductor), the SX-A family targets high-reliability, single-chip integration at low cost.
Key features of the A54SX32A-FGG256M include 48K system gate capacity with 1,800 register-rich logic cells, deterministic sub-nanosecond pin-to-pin delays enabled by the antifuse routing architecture, and flexible I/O banks compatible with 5 V legacy systems. The M speed/temperature grade suffix denotes the military/extended operating range option, making this variant suited to harsh-environment programs. The 256-ball FBGA footprint provides high I/O density in a compact surface-mount outline, with 203 pins available as user I/O.
Technically, the SX-A architecture uses a sea-of-modules fabric: combinational and sequential C-cells and R-cells are interconnected through a multilayer metal routing mesh whose antifuse links are one-time programmed. Because routing is hard-wired after programming, timing is deterministic and unaffected by configuration reload, a key advantage for aerospace, defense, and industrial designs requiring immediate-on operation and glitch-free boot. The 0.25 um CMOS process delivers low static power and proven reliability data.
Typical applications include avionics glue logic and bus interface integration, satellite and space payload control logic, industrial motor and motion control sequencing, medical equipment interface boards, and legacy 5 V system bridges where SRAM FPGAs are unsuitable.
Design consideration: antifuse devices are one-time programmable - reserve debug margin in the device utilization plan, since a design change requires a new device rather than a reconfiguration cycle.
This page synthesizes verified distributor data, drop-in same-package alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet.
ドロップイン代替品: A54SX32A-FGG256M — 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-FGG256M （同一形状・フットプリント） — 相違点: Package, System Gates, Operating Temperature, Family, RoHS Status.
クイック比較ツール — 並列比較する代替部品を選択:
A54SX32A-1FGG256M
✅ ドロップイン✓ 在庫あり
$62.5 / 個
データシートを見る →A54SX32A-FGG256A
✅ ドロップイン✓ 在庫あり
$295.2 / 個
データシートを見る →A54SX32A-FGG256I
✅ ドロップイン✓ 在庫あり
$83.27 / 個
データシートを見る →A54SX32A-2FGG256
✅ ドロップイン✓ 在庫あり
$47.95 / 個
データシートを見る →A54SX32A-1FGG256I
✅ ドロップイン✓ 在庫あり
$316.27 / 個
データシートを見る →A54SX32A-2FGG256I
✅ ドロップイン✓ 在庫あり
$368.59 / 個
データシートを見る →A54SX32A-1FGG256
✅ ドロップイン✓ 在庫あり
$1 / 個
データシートを見る →A54SX32A-FGG256A
✅ ドロップイン✓ 在庫あり
$295.2 / 個
データシートを見る →A54SX32A-FGG256M 最大定格＆電気的特性
| Family | SX-A (Actel/Microsemi antifuse FPGA) |
| System Gates | 48K |
| Typical Gates | 32000 |
| Logic Cells | 1800 |
| User I/O | 203 |
| Maximum System Frequency | 238 MHz |
| Process Technology | 0.22 um / 0.25 um CMOS antifuse |
| Core Voltage | 2.5 V |
| I/O Voltage Support | 2.5 V, 3.3 V, 5 V |
| Programmability | One-time programmable (antifuse), non-volatile |
| パッケージ | 256-Ball FBGA (FGG256) |
| Speed / Temperature Grade | M (extended/military range) |
| 実装タイプ | Surface Mount |
| Lead Free | Yes |
A54SX32A-FGG256M 256-ball fbga (fgg256) ピン配置ガイド
A54SX32A-FGG256M (256-ball fbga (fgg256) 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-FGG256M.
詳細は データシート をご参照ください。
主な用途
A54SX32A-FGG256M の用途: 6 件s: Avionics and Defense Logic Integration, Industrial Motor and Motion Control, Legacy 5V System Bridge, Satellite and Space Payload Electronics, Medical Equipment Interface Boards, Test and Measurement Instrumentation.
Avionics and Defense Logic Integration
The A54SX32A-FGG256M fits avionics and defense programs because its antifuse fabric is non-volatile and instantly live at power-on, eliminating configuration PROMs and boot delays that SRAM FPGAs require. The M extended-temperature grade supports harsh environmental profiles typical of airborne and defense platforms, while the 48K-system-gate capacity with 1,800 logic cells is sized for bus interface, glue logic, and sequencer functions. Designers integrate multiple discrete logic devices into this single 256-ball FBGA, reducing board area, component count, and reliability-critical solder joints. Because programmed routing is hard-wired, timing is deterministic across temperature - a benefit for certification evidence in DO-254 style programs.
おすすめ
Industrial Motor and Motion Control
In industrial drives and motion controllers, the A54SX32A-FGG256M implements PWM sequencing, encoder decoding, and interlock logic with deterministic timing thanks to its antifuse routing. The 2.5 V / 3.3 V / 5 V I/O flexibility lets it interface directly with legacy 5 V TTL sensors and industrial backplane signals without external level shifters, cutting BOM cost and board space. With up to 238 MHz internal performance and 203 user I/Os, one device consolidates functions previously spread across multiple PAL/GAL devices. Designers should budget the one-time-programmable nature by freezing the control algorithm before production programming, since logic fixes require new devices rather than firmware reflashes.
おすすめ
Legacy 5V System Bridge
Many installed-base systems - test equipment, process control racks, and communications chassis - still run 5 V logic. The A54SX32A-FGG256M bridges these worlds: per Microchip's SX-A documentation, its I/O supports 5 V operation alongside 2.5 V and 3.3 V standards, unlike modern SRAM FPGAs capped at lower bank voltages. The 48K gate capacity accommodates bus translation, address decoding, and protocol conversion between 5 V VME-style backplanes and newer 3.3 V processor cards. The 256-ball FBGA footprint concentrates 203 user I/Os in a compact outline. Non-volatile antifuse configuration also means the bridge is active the instant power is applied, matching legacy system power sequencing assumptions.
おすすめ
Satellite and Space Payload Electronics
Antifuse FPGAs are a natural fit for space payloads because the programmed interconnect cannot suffer configuration upsets from radiation-induced bitstream corruption, a known failure mode of SRAM FPGAs. The A54SX32A-FGG256M provides 32,000 typical gates and deterministic, hard-wired routing for command decoders, telemetry formatters, and power-switching sequencers aboard LEO satellites and sounding rockets. Its low static power from the 0.25 um CMOS process suits power-constrained platforms. The M extended temperature grade covers the wide thermal swings of orbital environments. Engineers should apply Microchip's reliability reports for the SX-A family and derate junction temperatures per program-specific thermal analysis of the FBGA package.
おすすめ
Medical Equipment Interface Boards
Patient monitors, imaging subsystems, and laboratory analyzers benefit from the A54SX32A-FGG256M's mix of instant-on non-volatile logic, quiet low-power CMOS operation, and 5 V tolerant I/O for interfacing legacy front-end sensors and actuators. The 1,800-cell sea-of-modules fabric implements acquisition timing, filter sequencing, and safety interlocks with deterministic delays, simplifying verification for regulated design histories. With 203 user I/Os in a 256-ball FBGA, one device replaces clusters of discrete logic around ADCs and communication ports. The one-time-programmable fabric is also an advantage in medical devices where configuration integrity must be assured across the service life of the installed fleet.
おすすめ
Test and Measurement Instrumentation
Bench instruments and automated test equipment (ATE) use the A54SX32A-FGG256M for timing generators, trigger matrices, and fixture interface logic. Deterministic antifuse routing means propagation delays do not shift with power cycles or configuration reloads, improving measurement repeatability, and the up-to-238 MHz system performance covers fast clock distribution. Five-volt tolerant I/O directly drives older fixture electronics and relays, while 203 user I/Os provide the pin count needed for dense test points. Because the device is one-time programmable, instrument makers typically reserve utilization headroom (targeting under 70 percent) so late engineering changes can still fit on the same production footprint.
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-FGG256M — 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-1FGG256M | A54SX32A-FGG256A | A54SX32A-FGG256I | A54SX32A-2FGG256 |
|---|---|---|---|---|---|
| Package | 256-BGA (FGG256) | 256-BGA (FGG256) - same | 256-BGA (FGG256) - same | 256-BGA (FGG256) - same | 256-BGA (FGG256) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48K | 48K | 48K | 48K | 48K |
| User I/O | 203 | 203 | 203 | 203 | 203 |
| Speed Grade | Standard (M grade) | -1 (faster) | A grade | Standard | -2 (fastest) |
| Programming Technology | Antifuse (one-time programmable, non-volatile) | Antifuse OTP - same | Antifuse OTP - same | Antifuse OTP - same | Antifuse OTP - same |
| Core Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
主な差別化要因
- Non-volatile antifuse fabric with instant-on operation （vs A54SX32A-FGG256I)
- Faster timing headroom at identical footprint （vs A54SX32A-1FGG256M)
- 5 V legacy I/O tolerance （vs Cross-brand SRAM FPGAs (Xilinx/Intel))
- Deterministic hard-wired routing after programming （vs A54SX32A-FGG256A)
設計ノート
The A54SX32A-FGG256M is one-time programmable: once the antifuse array is burned, the device cannot be reconfigured, and a logic change requires a new device. Plan design freeze milestones before submitting devices for programming, target device utilization below roughly 70-80% to preserve iteration headroom within the 48K system gate budget, and always prototype in the same speed/temperature grade intended for production - timing on antifuse devices is deterministic, so lab results transfer directly to production units.
The 256-ball FGG256 FBGA is a fine-pitch BGA: specify a solder-mask-defined or non-solder-mask-defined pad per the Microchip SX-A datasheet land pattern appendix, and follow IPC-style dogbone or via-in-pad fanout for the full 203-signal ball field. Decouple VCC and VCCA (programming/analog supply) pins with an array of 0.1 uF ceramics placed inside the BGA footprint, plus bulk capacitance at board entry. Keep the programming supply rail clean - noise on VCCA during programming can affect antifuse yield.
Estimated: an SX-A 32K-gate device at moderate utilization and 238 MHz-class clocks typically dissipates in the low hundreds of milliwatts, so the FBGA's board-level thermal path (4-layer or thicker board with ground plane) is usually sufficient without a heatsink. Per the SX-A datasheet, thermal performance depends on device, package, airflow, and system dissipation. Verify junction temperature with Microchip's thermal parameters for FGG256 and your actual switching activity before finalizing the mechanical design for extended-temperature M-grade operation.
With 5 V tolerant I/O banks, control slew rate and drive strength on high-fanout nets to limit ground bounce; group 5 V signals on their assigned banks and keep 3.3 V / 2.5 V banks segregated per the datasheet banking rules. Series-terminate long point-to-point clocks and use the deterministic antifuse routing delays to your advantage when deskewing bus signals - timing extracted from the place-and-run report is final, unlike SRAM FPGA estimates.
コンプライアンス情報
Distributor listings describe the A54SX32A-FGG256M as lead free (Mouser Europe and supplier listings). RoHS/REACH/halogen-free status not explicitly captured in verified sources - verify on Microchip's product page.
