A54SX72A-PQ208I - 108K-Gate Antifuse FPGA, 208-PQFP | Microchip
MPN: A54SX72A-PQ208I ✓ Hoạt độngA54SX72A-PQ208I Tóm tắt
An antifuse FPGA is a type of field-programmable gate array in which programming connections are permanent one-time fuses. Unlike SRAM-based FPGAs, antifuse devices retain their configuration through power cycles without an external configuration memory, and the programming element adds very little routing capacitance, which yields inherently low power, high speed, and improved resistance to configuration corruption - placing this device in the broader hierarchy of FPGA, programmable logic, and semiconductor integrated circuits.
Key features include the 0.25 um CMOS process technology, 4,024 logic cells organized into 6,036 logic array blocks (LABs), multiple global clock networks (CLKA, CLKB and quadrant QCLK routing), and the single-chip, non-volatile architecture that removes the external boot flash required by SRAM FPGAs. These traits make the SX-A family a cost-effective solution for integrating multiple functions into one low-power, high-performance device.
Architecturally, the A54SX72A is the largest member of the SX-A family, using Actel's (now Microchip) antifuse routing fabric with dedicated hard-wired interconnect that minimizes switching capacitance and pin-to-pin delays. The quadrant clock structure described in the SX-A Family FPGAs datasheet enables predictable clock skew across large designs, while the sea-of-modules routing supports high gate utilization.
Typical applications include telecommunications and networking line cards, industrial automation controllers, consumer electronics glue logic integration, and aerospace/defense designs that benefit from the configuration immutability of antifuse technology.
When designing with this part, note that antifuse programming is permanent: design changes require a new device, so fully verify timing in Libero/Designer before programming. Also confirm I/O current budgeting across the 171 available user I/O.
This page synthesizes distributor pricing, drop-in alternatives, design notes, and comparison data not found in the manufacturer datasheet, giving engineers and buyers a single authoritative reference for the A54SX72A-PQ208I.
Bộ thay thế dễ dàng lắp đặt cho A54SX72A-PQ208I — 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 A54SX72A-PQ208I (cùng hình factor và footprint) — khác nhau ở Package, Clock Networks, Operating Temperature, System Gates, Dedicated Flip-Flops.
A54SX72A-PQG208I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX72A-PQ208M
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX72A-PQG208M
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX72A-1PQG208I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX72A-PQG208A
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX72A-1PQG208
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →A54SX72A-PQG208
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →A54SX72A-PQ208I Tỷ lệ tối đa & tính chất điện
| Family | SX-A (Actel antifuse FPGA) |
| System Gates | 108,000 |
| Logic Cells | 4024 |
| Dedicated Flip-Flops | 2012 |
| Logic Array Blocks (LABs) | 6036 |
| User I/O Pins | 171 (up to 360 in family) |
| Maximum System Frequency | 217 MHz |
| Điện áp cung cấp | 2.25 V to 5.25 V (2.5 V nominal) |
| Process Technology | 0.25 um CMOS |
| Programming Technology | Antifuse (one-time programmable, non-volatile) |
| Nhiệt độ hoạt động | -40C to +85C (industrial) |
| Hộp | 208-BFQFP (PQ208) |
| Kiểu lắp đặt | Surface Mount |
| Speed Grade | Standard |
| Temperature Grade Code | I (Industrial) |
| Configuration Memory | Non-volatile (no external boot device required) |
| Clock Networks | CLKA, CLKB and quadrant QCLK routing |
Hướng dẫn cấu hình chân A54SX72A-PQ208I 208-bfqfp (pq208)
Cấu hình chân cho A54SX72A-PQ208I (208-bfqfp (pq208) 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 A54SX72A-PQ208I.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
A54SX72A-PQ208I phù hợp cho 6 Áp dụngs: Telecommunications Line Cards, Industrial Automation Controllers, Aerospace and High-Reliability Systems, Secure single-chip logic integration, Legacy System Sustainment and Obsolescence Bridging, Consumer and Connectivity Product Logic.
Telecommunications Line Cards
The A54SX72A-PQ208I fits telecom line-card glue logic, protocol bridging, and backplane interfacing where deterministic timing matters. Its 217 MHz maximum system frequency and hard-wired antifuse routing deliver consistent pin-to-pin delays that simplify setup/hold closure at SONET/SDH-adjacent clock domains. With 171 user I/O, one device consolidates address decoding, bus formatting, and status aggregation that would otherwise need several CPLDs. Because configuration is non-volatile, line cards power up functional in microseconds without a configuration PROM, reducing boot latency in carrier equipment where fast link restoration is a service requirement. Designers should budget the 2.5V core rail alongside 3.3V I/O in the card power tree and verify quadrant clock placement early to keep clock skew predictable across the 208-pin QFP.
Được đề xuất
Industrial Automation Controllers
In factory automation, PLC I/O modules, and motor-control sequencing logic, the A54SX72A-PQ208I's -40C to +85C industrial rating and single-chip integration reduce BOM count and failure points. The 108,000-gate capacity absorbs encoder-interface counters, PWM generators, and safety interlock decoding, while the antifuse fabric's low static power suits always-on monitoring logic in fanless cabinets. Non-volatile configuration means controllers resume operation immediately after brown-out events without reloading from external memory - a practical reliability advantage on noisy industrial power. Because the device is one-time programmable, freeze designs before production and reserve spare gates (the family supports up to 108,000 system gates) for ECO margin. Pair with isolated transceivers on the field-bus side and verify the 171 user I/O current budget against LED and relay-driver loads.
Được đề xuất
Aerospace and High-Reliability Systems
Antifuse FPGAs are a long-standing choice in avionics and defense subsystems because configuration cannot be upset by SEUs in the routing fabric and no external configuration memory exists to corrupt. The A54SX72A-PQ208I's permanent interconnect also resists reverse engineering of the programmed bitstream, supporting design security requirements. For formal programs, specify the screened A54SX72A-PQ208M military variant in the identical footprint, or the radiation-tolerant RT54SX72S when the mission profile requires it; design IP ports across these devices through the shared Libero/Designer flow. The 2,012 flip-flops and quadrant clock networks (CLKA, CLKB, QCLK) support synchronized telemetry, arbitration, and interface bridging functions. Verify program-level qualification documentation with Microchip early, as screening flows and data packages differ from the commercial catalog part.
Được đề xuất
Secure single-chip logic integration
Where bitstream confidentiality matters - payment terminals, licensed radio equipment, proprietary industrial IP - the A54SX72A-PQ208I's antifuse technology provides physical design security that SRAM FPGAs cannot match: there is no configuration bitstream stored or transferred at power-up, and programmed antifuses are not readable back as a netlist. Designers can consolidate proprietary decode logic, authentication state machines, and copy-protection gating into the 108,000-gate fabric while exposing only the intended 171 I/O signals. Integration onto the 0.25 um process also removes the external boot flash that is a common probing attack surface. Trade-offs to document: designs cannot be field-updated, so build a secure provisioning flow with Silicon Sculptor programmers and a controlled die inventory, and keep a re-spin budget since any logic change consumes a new physical device.
Được đề xuất
Legacy System Sustainment and Obsolescence Bridging
The A54SX72A-PQ208I is frequently used to bridge obsolete ASIC, gate-array, or bipolar PAL/PLD content in long-life platforms such as rail signaling, medical equipment, and utility control systems. Its 108,000 gates absorb large amounts of legacy glue logic, and its mature, stable process means the programmed design behaves identically across decades of production - important for requalification-averse industries. Because configuration is non-volatile and pin delays are fixed by hard-wired routing, timing analysis performed once remains valid for the platform lifetime. Procurement teams should secure a lifetime-buy strategy given the part's age: stock through franchised distributors (DigiKey, Mouser) plus broker channels tracked by Octopart, and document the exact ordering code, including the industrial 'I' temperature suffix, to prevent substitution errors in repairs.
Được đề xuất
Consumer and Connectivity Product Logic
In set-top, display, and connectivity boards, the A54SX72A-PQ208I consolidates interface formatting, arbitration, and control-plane logic that would otherwise require multiple CPLDs and discretes, cutting board area and assembly cost. The SX-A family's low premium for performance - a stated design goal of the family - makes it economical at consumer volumes, and the 208-pin QFP is hand-inspectable with standard 0.5 mm pitch equipment, easing contract-manufacturing integration. Non-volatile configuration eliminates the boot-flash BOM line and its associated firmware management. The 2.25V to 5.25V supply tolerance lets the device share existing 3.3V rails in cost-optimized power designs. For high-volume consumer builds, prefer the green-package A54SX72A-PQG208I ordering code to meet lead-free assembly profiles while keeping the same footprint and firmware flow.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho A54SX72A-PQ208I — 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 | A54SX72A-PQG208I | A54SX72A-PQ208M | A54SX72A-1PQG208I | A54SX72A-PQG208A |
|---|---|---|---|---|---|
| Package | 208-BFQFP (PQ208) | 208-BFQFP (PQG208) - same footprint | 208-BFQFP (PQ208) - same | 208-BFQFP (PQG208) - same | 208-BFQFP (PQG208) - same |
| Brand | Microchip Technology (Microsemi/Actel) | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 108,000 | 108,000 | 108,000 | 108,000 | 108,000 |
| User I/O | 171 | 171 | 171 | 171 | 171 |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | Military screening range | -40C to +85C (I) | Extended screening (A suffix) |
| Package Finish | Standard (non-green) | Green / lead-free | Standard (military screening) | Green / lead-free | Green / lead-free |
| Programming | Antifuse, one-time programmable | Antifuse, one-time programmable | Antifuse, one-time programmable | Antifuse, one-time programmable | Antifuse, one-time programmable |
Bảo phân biệt quan trọng
- Non-volatile single-chip configuration (vsXilinx Spartan-3 (functional equivalent class))
- Lead-free green package option with identical footprint (vsA54SX72A-PQG208I)
- Speed-grade upgrade without redesign (vsA54SX72A-1PQG208I)
- Trade-off: lower I/O than family maximum (vsA54SX72A-FGG484I)
Ghi chú thiết kế
Antifuse FPGAs are one-time programmable: once the A54SX72A-PQ208I is programmed via the Silicon Sculptor, the configuration is permanent and the physical device is consumed. Complete functional simulation, static timing analysis, and board-level signal-integrity review in the Libero/Designer flow before programming any production unit. Budget spare gates and spare I/O for post-release ECOs, and treat the programmed die inventory as configuration-managed stock. Any logic change requires a fresh, unprogrammed device - keep a buffer of unprogrammed parts for the platform lifetime.
The A54SX72A-PQ208I operates from a 2.5V nominal core supply with a 2.25V to 5.25V permitted range. Decouple every supply pin pair with 0.1uF ceramic capacitors placed within 2 mm of the pin, plus bulk 10uF capacitance per rail quadrant of the 208-pin QFP. When sharing rails with 3.3V logic, verify inrush during antifuse programming, which draws additional current. Estimated: static antifuse power is low (no configuration SRAM to refresh), but confirm Icc values against the SX-A datasheet tables for your actual gate-utilization percentage rather than assuming worst-case family numbers.
Use the dedicated CLKA, CLKB and quadrant QCLK clock networks described in the SX-A Family FPGAs datasheet and Microchip's quadrant-clock application notes rather than routing clocks through general fabric. Assign your highest-fanout clock to CLKA/CLKB global resources and localize remaining domains per quadrant to keep skew predictable. With a 217 MHz ceiling on the standard speed grade, run static timing on every cross-domain path; for higher throughput requirements, select the A54SX72A-1PQG208I faster speed grade in the same footprint. Terminate 171 user I/O nets above roughly 50 MHz per Microchip IBIS guidance.
Thông tin tuân thủ
RoHS/lead-free status for the standard PQ208 finish must be confirmed with Microchip or the distributor; the A54SX72A-PQG208I ordering code provides the green (lead-free/halogen-free) package option in the same footprint. No AEC-Q100 qualification stated in provided data.
