A54SX32-1BG329 - SX FPGA 48K Gates 329-BGA | Microchip
MPN: A54SX32-1BG329 ✓ Hoạt độngA54SX32-1BG329 Tóm tắt
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and interconnects that designers program after manufacturing. The SX family sits in the one-time-programmable (OTP) antifuse FPGA hierarchy, below the radiation-tolerant RTAX series and alongside the higher-density SX-A family, and is manufactured on a 0.35 um CMOS process. Antifuse FPGAs are favored where configuration volatility, instantaneous boot-up, and high resistance to radiation-induced configuration upsets matter more than in-field reprogrammability.
Key features of the A54SX32-1BG329 include a sea-of-modules architecture that simplifies design capture and timing closure, dual supply operation of 3.3V core and 5V-tolerant I/O capability, and deterministic performance of up to 280 MHz in system-level benchmarks. The commercial-grade (no I suffix) operating range and 329-ball BGA with 1.27 mm ball pitch provide high I/O density for bus-intensive designs.
Technical depth: the SX family uses the Actel combinational-logic module (CLM) fabric with a sea-of-modules routing structure, delivering gate utilization and performance close to masked gate arrays. Because programming is via metal-to-metal antifuse links, configuration data is fixed at power-up with no external boot ROM or configuration flash required, reducing BOM cost and improving security.
Typical applications include industrial control, communications and networking line cards, test and measurement instrumentation, aerospace and defense sub-systems (where SX devices later spawned the RTAX rad-hard derivatives), and glueless bus-bridging logic requiring 249 I/Os.
Design consideration: antifuse OTP devices cannot be reprogrammed, so thorough simulation and iteration on engineering samples are essential before committing programming current to production units.
This page synthesizes distributor pricing, drop-in same-family alternatives, pin-count considerations, and practical design notes not consolidated in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho A54SX32-1BG329 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với A54SX32-1BG329 (cùng hình factor và footprint) — khác nhau ở Package, Family, System Gates, RoHS Status, Supply Voltage.
A54SX32-1BG329I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX32-2BG329
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX32-2BG329I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX32-BG329I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX32-1BGG329
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX32-2BGG329
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX32-1BG329 Tỷ lệ tối đa & tính chất điện
| Family | SX (Actel antifuse FPGA) |
| System Gates | 48K (32K gates) |
| Logic Cells | 1800 |
| User I/O | 249 |
| Maximum System Performance | 280 MHz |
| Process Technology | 0.35 um CMOS |
| Điện áp cung cấp | 3.3 V / 5 V |
| Programming Technology | Antifuse (one-time programmable) |
| Hộp | 329-BBGA (PBGA329, 1.27 mm ball pitch) |
| Kiểu lắp đặt | Surface Mount |
| Speed Grade | -1 |
| Configuration | Non-volatile, no external boot device required |
| Architecture | Sea-of-modules |
| Manufacturer Status | Active (legacy SX family) |
Hướng dẫn cấu hình chân A54SX32-1BG329 329-bbga (pbga329, 1.27 mm ball pitch)
Cấu hình chân cho A54SX32-1BG329 (329-bbga (pbga329, 1.27 mm ball pitch) gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho A54SX32-1BG329.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
A54SX32-1BG329 phù hợp cho 6 Áp dụngs: Industrial Control and Automation, Communications and Networking Line Cards, Test and Measurement Instrumentation, Aerospace and Defense Sub-Systems, Legacy Bus Bridging and Glue Logic Consolidation, Medical Diagnostic Equipment.
Industrial Control and Automation
The A54SX32-1BG329 suits industrial control backplanes where deterministic, instant-on logic replaces multiple discrete PLDs. Its 249 user I/Os allow glueless interfacing to parallel fieldbus, backplane, and I/O-module interfaces, while the antifuse fabric powers up fully configured within microseconds - critical for safety interlocks that must be active before a soft CPU boots. The 3.3V/5V supply flexibility lets it bridge legacy 5V TTL sensor lines directly to 3.3V controller domains without level shifters, saving board area. Because the SX fabric delivers gate-array-like 280 MHz-class timing, deterministic state machines and counters close timing without pipeline latency. Design with industrial-grade A54SX32-1BG329I where ambient exceeds commercial limits.
Được đề xuất
Communications and Networking Line Cards
Telecom line cards of the SX generation used SX32 devices as backplane bus interfaces, framing logic, and glue logic between PHYs and framer ASICs. The A54SX32-1BG329's 329-ball BGA provides dense I/O for byte-wide backplane buses, and its sea-of-modules architecture closes timing on wide counters and state machines at the family's 280 MHz benchmark. Because antifuse configuration is fixed at power-up, the device imposes no configuration latency or configuration-corruption risk on long-uptime telecom equipment. Pair with 3.3V transceivers and use the 5V-tolerant supply flexibility where legacy 5V backplanes are present. For faster classes of traffic, migrate logic to the -2 speed-grade A54SX32-2BG329 drop-in variant for additional timing margin.
Được đề xuất
Test and Measurement Instrumentation
Bench instruments require deterministic timing, abundant I/O for front-panel and trigger distribution, and instant readiness at power-on. The A54SX32-1BG329 delivers 249 I/Os in one 329-ball BGA, letting designers terminate trigger busses, drive display interfaces, and sequence acquisition state machines in a single programmable device. The antifuse fabric's fixed interconnect provides repeatable timing from unit to unit - an advantage for calibration stability compared with SRAM FPGA routing variation. Supplying the device from 3.3V with 5V-tolerant interfacing simplifies mixed-era analog front-end integration. Use the -2 speed grade variant if acquisition counters must exceed base timing headroom in high sample-rate designs.
Được đề xuất
Aerospace and Defense Sub-Systems
The SX architecture's one-time-programmable antifuse fabric is inherently resistant to configuration upsets, which is why Actel extended this architecture into the radiation-tolerant RTAX family (RTAX1000SL, RTAX2000S, RTAX250S). In benign-environment defense electronics - ground equipment, test benches, telemetry ground stations - the commercial/industrial A54SX32-1BG329 provides the same non-volatile, single-chip configuration without external boot flash that could be a single-point failure. Designers prototyping RTAX-based space designs frequently use SX32 devices for functional verification because the fabric methodology is the same. For actual flight programs, select the qualified RTAX derivative rather than the commercial SX part.
Được đề xuất
Legacy Bus Bridging and Glue Logic Consolidation
The A54SX32-1BG329 consolidates dozens of 74-series devices, PALs, and CPLDs into one antifuse FPGA, a common retrofit on legacy systems whose original ASSPs are obsolete. With 48K system gates and 249 I/Os, typical bridges include ISA/VME/PCI-era bus interfaces, memory controllers, and interrupt/DMA sequencers. The 5V-capable supply and 5V-tolerant I/Os interface directly with legacy TTL bus signaling, eliminating bus-switch glue. Because configuration is non-volatile, retrofitted boards behave identically to the original mask-based logic at power-up with no boot sequence. Consolidation also reduces NMI (no-mask-needed) costs versus a gate-array resporifice for low-volume legacy sustainment programs.
Được đề xuất
Medical Diagnostic Equipment
Medical imaging and diagnostic systems in the SX era used SX32-class FPGAs for detector-interface sequencing, data buffering, and communication glue. The A54SX32-1BG329's deterministic, non-volatile fabric supports safety-relevant startup behavior: acquisition logic is live the instant power is applied, without depending on a configuration flash read. The 249 I/Os terminate multi-channel detector arrays, and the 3.3V/5V supply flexibility integrates with mixed-era analog front ends. Its fixed routing yields unit-to-unit timing repeatability that simplifies system calibration and regulatory test reproducibility. For hospital-environment temperature ranges, select the industrial A54SX32-1BG329I variant as a drop-in.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho A54SX32-1BG329 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | A54SX32-1BG329I | A54SX32-2BG329 | A54SX32-2BG329I | A54SX32-BG329I | A54SX32-1BGG329 |
|---|---|---|---|---|---|---|
| Package | 329-BBGA | 329-BBGA - same | 329-BBGA - same | 329-BBGA - same | 329-BBGA - same | 329-BBGA - same |
| Brand | Microchip Technology (Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 48K (32K gates) | 48K (32K gates) | 48K (32K gates) | 48K (32K gates) | 48K (32K gates) | 48K (32K gates) |
| Speed Grade | -1 | -1 | -2 (faster) | -2 (faster) | Standard | -1 |
| User I/O | 249 | 249 | 249 | 249 | 249 | 249 |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
| Temperature Range | Commercial | Industrial | Commercial | Industrial | Industrial | Commercial |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
Bảo phân biệt quan trọng
- Non-volatile instant-on configuration (vsXilinx Virtex / Altera Stratix SRAM FPGAs (functional class))
- Industrial-temperature pin-compatible upgrade path (vsA54SX32-1BG329I)
- Speed-grade headroom without PCB change (vsA54SX32-2BG329)
- Trade-off: no in-field reprogrammability (vsA54SX32-1BG329 (inherent limitation vs SRAM FPGA families))
Ghi chú thiết kế
Antifuse FPGAs are one-time-programmable: a programming error destroys the device. Budget engineering-sample units and run complete post-layout simulation before programming production parts. Never treat the BG329 device as reworkable; there is no reconfiguration or field update path. Keep the programming-file (designer-generated fuse file) under configuration control with checksums so production programming is repeatable across lots and years - critical for legacy sustainment programs that must rebuild identical boards a decade later.
The A54SX32-1BG329 operates from 3.3V with 5V-capable supply interfacing; decouple both supply domains with bulk 10 uF tantalum plus 0.1 uF ceramic per supply ball group. SX-family antifuse devices draw negligible static configuration current compared with SRAM FPGAs, but dynamic current scales with toggle rate and I/O loading - estimate with the Actel/Microchip power calculator using actual place-and-route netlists rather than gate-count rules of thumb. Verify total I/O simultaneous-switching current against package ground-ball allocation in the datasheet electrical tables.
The 329-ball PBGA with 1.27 mm pitch fans out comfortably on 0.15 mm trace/0.15 mm space with dog-bone vias; avoid blind vias to control cost. Follow JEDEC-recommended BGA land pattern and inspect solder joints with X-ray after reflow since balls are hidden. No external configuration flash, pull-up, or JTAG chain resistor network is required for configuration, simplifying layout - reserve board space only for the programming access pad pattern used during production antifuse programming if your programming fixture requires socket access.
With 249 I/Os available, simultaneous switching output (SSO) noise is the dominant signal-integrity risk. Group switching outputs near allocated ground balls, limit the number of outputs switching in the same 1 ns window per ground/power ball pair, and use the SX family's slew-controlled output options on bus interfaces. For legacy 5V TTL bus signals, verify the datasheet I/V drive curves at the far-end load rather than assuming 74-series-equivalent drive, and add series termination of 22-33 ohms on stub-rich backplane nets.
Thông tin tuân thủ
Compliance data was not present in the verified web data for A54SX32-1BG329. The related G-suffix variant (e.g., A54SX32-1BGG329) is referenced in distributor data as a lead-free/green option; choose that variant when RoHS/lead-free compliance is required, and confirm on the Microchip product page.
