A54SX32A-FGG144 - 48K Gate SX-A FPGA, 144-FBGA | Microchip
MPN： A54SX32A-FGG144 ✓ 啟用中A54SX32A-FGG144 概覽
An antifuse FPGA is a type of field-programmable gate array in which programmable connections are formed permanently at programming time using an antifuse element, rather than SRAM configuration cells. In the programmable-logic hierarchy (FPGA -> field-programmable gate array -> programmable logic device -> digital IC), antifuse devices occupy the non-volatile, single-event-immune end of the spectrum: the configuration is stored physically in the silicon, so no external configuration flash is required at power-up.
Key features include 0.25 um CMOS antifuse technology, deterministic 1.2 ns-class flip-flop timing cited by distributors, a 238 MHz toggle/system frequency rating, and low static power typical of 2.5 V antifuse architecture. Because the bitstream is physically burned rather than loaded from flash, the device offers inherent design security against readback - a major reason SX-A parts remain popular in defense, avionics, and industrial designs.
The SX-A architecture combines fast, dedicated carry chains with the Actel routing fabric, allowing high-speed counters, state machines, and glue-logic integration in a low-cost single-chip solution. According to Microchip, SX-A devices generate system-wide savings by integrating multiple functions into one device while providing a combination of performance, security, and low power.
Typical applications include legacy military/aerospace system sustainment, industrial control glue logic, communication bridging, and secure single-chip state machines where SRAM-FPGA configuration vulnerabilities are unacceptable.
Design consideration: antifuse devices are one-time programmable - fully verify the design in simulation and, ideally, on a device from the same speed grade before programming production units.
This page consolidates distributor pricing signals, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 A54SX32A-FGG144 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： A54SX32A-FGG144 （相同外形與佔位） — 差異在於 Operating Temperature, Package, Process Technology, Core Supply Voltage, Family.
A54SX32A-FGG144I
✅ 直接替換聯絡詢價
查看資料表 →A54SX32A-FGG144 最大額定值與電氣特性
| Family | SX-A (Actel/Microsemi antifuse FPGA) |
| System Gates | 48000 gates |
| Logic Cells | 1800 cells |
| Logic Array Blocks (LABs) | 2880 |
| User I/O | 111 |
| Maximum System Frequency | 238 MHz |
| Process Technology | 0.25 um |
| Core Supply Voltage | 2.5 V |
| Supply Voltage Range | 2.25 V to 5.25 V |
| Propagation Delay | 1.2 ns |
| 封裝 | 144-LBGA / 144-FBGA (13 x 13 mm) |
| 安裝類型 | Surface Mount |
| 工作溫度 | 0 C to +70 C |
| Programming Technology | Antifuse (one-time programmable) |
| Number of Balls | 144 |
| Packaging | Tray |
A54SX32A-FGG144 144-lbga / 144-fbga (13 x 13 mm) 腳位配置指南
A54SX32A-FGG144（144-lbga / 144-fbga (13 x 13 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： A54SX32A-FGG144.
請參閱 資料表 以查看完整腳位配置。
典型應用
A54SX32A-FGG144 適用於 6 應用s: Defense and Avionics Sustainment, Industrial Control Glue Logic, Secure State Machines and Design Protection, Communication Interface Bridging, Test and Measurement Instrumentation, Legacy SRAM FPGA Displacement.
Defense and Avionics Sustainment
The A54SX32A-FGG144 fits defense and avionics sustainment programs because its antifuse configuration is physically burned into silicon, providing resistance to configuration readback and single-event upsets that threaten SRAM FPGAs. The 48K-gate capacity and 111 user I/Os are sufficient for bus interfaces, Mil-Std glue logic, and voter/comparator functions common in legacy avionics line-replaceable units. Designs are re-created deterministically in Designer/Libero, and the 238 MHz rating covers most legacy timing budgets. Since these platforms change rarely, one-time programmability is a feature rather than a limitation, and the mature SX-A family supports long-term procurement.
推薦
Industrial Control Glue Logic
In industrial control and factory automation, the A54SX32A-FGG144 replaces dozens of discrete 74-series devices with a single 2.5 V, low-static-power chip. Its 1800 logic cells and 2880 LABs integrate address decoders, bus arbiters, interrupt controllers, and sequencing state machines, while 111 I/Os interface 5 V-tolerant-class board logic within the listed 2.25 V to 5.25 V supply range. The 238 MHz performance and 1.2 ns-class flip-flop timing comfortably exceed typical PLC backplane timing needs. Instant-on antifuse configuration means the logic is active at power-up with no configuration controller, improving fault behavior in machinery that must initialize immediately.
推薦
Secure State Machines and Design Protection
Wherever proprietary algorithms must not be extracted, the A54SX32A-FGG144 provides hardware-level design security: the antifuse bitstream cannot be read back, unlike SRAM FPGAs whose configuration flash can be dumped. Applications include license-key engines, encryption key handling front-ends, anti-counterfeiting checks, and secure boot comparators. The 32K system gates and 111 I/Os support DES/AES-class datapaths of modest size, and the 2.5 V core reduces dynamic power in always-on security functions. Designers should partition only the secret logic into the antifuse device and keep non-sensitive interfacing elsewhere, since one-time programmability makes post-deployment bug fixes impossible.
推薦
Communication Interface Bridging
The A54SX32A-FGG144 serves as a protocol bridge between legacy backplanes and newer processors, mapping buses such as parallel peripheral interfaces, UART streams, or custom serial links. The 238 MHz system frequency and dedicated carry chains handle counters, CRC generators, and FIFO control logic, while 111 user I/Os provide the wide parallel buses that modern MCUs no longer expose. Its 2.25 V to 5.25 V supply tolerance eases integration on mixed-voltage legacy boards. Because the antifuse configuration loads instantly, bridged links are available at the first clock edge after power-up - important for systems where a CPU polls the interface within milliseconds of reset.
推薦
Test and Measurement Instrumentation
Bench and rack instrumentation uses the A54SX32A-FGG144 for trigger engines, timing generators, and front-panel glue logic. The 1.2 ns-class flip-flop timing and 238 MHz toggle rating support sub-10 ns trigger resolution, while the deterministic antifuse routing ensures timing does not shift between units - valuable for instruments requiring repeatable channel-to-channel behavior. The 0 C to +70 C commercial rating matches laboratory environments, and low static power keeps internal temperatures stable for measurement accuracy. In production-test fixtures, one-time programming is acceptable because test stimulus logic is fixed, and instant-on operation shortens fixture initialization time during high-volume manufacturing runs.
推薦
Legacy SRAM FPGA Displacement
Teams replacing failing or unobtainable SRAM FPGAs in cost-sensitive boards can consolidate up to 32K gates of legacy programmable logic into the A54SX32A-FGG144, eliminating the external configuration PROM and its power-up sequencing requirements. The 111 I/Os cover most legacy glue-logic pin counts, and the 2.25 V to 5.25 V supply range simplifies retrofit onto 3.3 V or 5 V boards. Typical usage includes coprocessor control, address translation, and I/O expansion. The trade-off is one-time programmability: designs must be frozen and fully simulated at the 238 MHz timing grade before committing silicon, making this approach best for mature, stable products.
推薦
推薦產品摘要
工程參考資料，適用於 A54SX32A-FGG144 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | A54SX32A-FGG144I |
|---|---|---|
| Package | 144-FBGA (13 x 13 mm) | 144-FBGA (13 x 13 mm) - same |
| Brand | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) |
| System Gates | 48000 gates | 48000 gates |
| Logic Cells | 1800 cells | 1800 cells |
| User I/O | 111 | 111 |
| Maximum Frequency | 238 MHz | 238 MHz |
| Core Supply Voltage | 2.5 V | 2.5 V |
| Operating Temperature | 0 C to +70 C | -40 C to +100/+125 C (industrial) |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) |
主要差異化特點
- Commercial temperature grade at lowest channel cost (對比A54SX32A-FGG144I)
- Instant-on antifuse configuration (對比A54SX32A-FGG144I)
- 48K-gate density in the SX-A family (對比A54SX16A-FG144I)
設計說明
The A54SX32A-FGG144 uses a 2.5 V core with a distributor-listed supply range of 2.25 V to 5.25 V depending on rail configuration. Provide a clean, low-noise 2.5 V rail with local 0.1 uF ceramic decoupling at multiple corners of the 144-FBGA plus at least one bulk 10 uF capacitor. Antifuse FPGAs draw low static current, but dynamic current spikes occur on simultaneous output switching - keep ground bounce in check by assigning high-toggle-rate signals away from shared power/ground ball clusters and confirming the supply rail with an oscilloscope during worst-case vectors.
Antifuse devices are one-time programmable: an error in the design cannot be patched in the field. Complete functional simulation, static timing analysis at the correct speed grade, and ideally a prototype-programmed verification unit before burning production devices. Order a few extra programmed and blank units per build to cover programming yield. Also verify you have selected the correct suffix (commercial FGG144 vs industrial FGG144I) at ordering time - the die is the same, but temperature rating cannot be changed after the fact.
The 144-FBGA (13 x 13 mm) uses a fine ball pitch that requires a controlled reflow profile and accurate stencil design; X-ray inspection of ball collapse is recommended for production. Route I/O with controlled impedance where the 238 MHz-class edges demand it, and break out power/ground balls to internal planes with short vias. If transitioning from the TQFP-144 variants to this FBGA footprint, remember the ball map is not pin-number-identical to QFP pinout - always re-derive the schematic symbol from the manufacturer datasheet package table rather than reusing a QFP symbol.
合規資訊
Compliance attributes were not present in the provided verified web data; verify on the Microchip product page or DigiKey environmental listing for the exact ordering code.
