A54SX32-TQG176 - 32K Gate FPGA, 147 I/O, TQFP-176 | Microsemi
MPN: A54SX32-TQG176 ✓ فعالA54SX32-TQG176 نمای کلی
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of programmable logic blocks and interconnects that designers configure after manufacturing. The SX family belongs to the broader hierarchy of programmable logic devices: FPGA -> programmable logic -> application-specific IC alternatives. Unlike SRAM FPGAs, the SX family uses Actel antifuse technology, which is non-volatile and one-time programmable, giving inherent resistance to configuration readback and radiation-induced configuration upsets.
Key features of the A54SX32-TQG176 include a sea-of-modules architecture that delivers high gate utilization and predictable timing, 147 programmable I/O pins supporting 3.3V and 5V signaling environments, and instant-on power-up behavior with no external configuration device required. Because the antifuse fabric is programmed at the factory or in-house programmer, design security is significantly higher than flash- or SRAM-based FPGAs.
The 0.35 um process with dual-rail supply allows direct interfacing with legacy 5V logic while the core runs at 3.3V, easing integration into industrial systems that mix voltage domains. System speeds up to 240 MHz support timing-critical glue logic, bus bridging, and state-machine consolidation.
Typical applications include industrial control and automation, communications line cards, military/aerospace legacy designs, and 5V/3.3V mixed-voltage bus interface logic. The 176-TQFP package suits cost-sensitive, hand-assemblable or medium-volume boards that cannot justify BGA assembly.
Design consideration: because the device is one-time programmable, verify the design fully in simulation and hardware prototyping before programming production devices; no design updates are possible in-system.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
جایگزین‌های drop-in برای A54SX32-TQG176 — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای A54SX32-TQG176 (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در System Gates, Package, Family, RoHS Status, Operating Temperature.
A54SX32A-TQG176
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
A54SX16-TQG176
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←A54SX16-TQG176I
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←A54SX16P-TQG176
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←A54SX16-2TQG176
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←A54SX32-TQG176 حداکثر مقادیر مجاز و مشخصات الکتریکی
| Family | SX (Actel antifuse FPGA) |
| System Gates | 32000 gates |
| Logic Cells | 1800 cells |
| User I/O | 147 |
| Maximum System Frequency | 240 MHz |
| Process Technology | 0.35 um |
| Supply Voltage (Core) | 3 V to 3.6 V |
| Supply Voltage (I/O) | 4.75 V to 5.25 V |
| بسته‌بندی | 176-LQFP / TQFP (24x24 mm) |
| نوع نصب | Surface Mount |
| دمای کاری | 0C to +70C |
| Programming Technology | Antifuse (one-time programmable, non-volatile) |
| Architecture | Sea-of-modules |
| Configuration | No external configuration device required (instant-on) |
راهنمای پیکربندی پین A54SX32-TQG176 176-lqfp / tqfp (24x24 mm)
پیکربندی پین برای A54SX32-TQG176 (پکیج 176-lqfp / tqfp (24x24 mm)). این IC دیجیتال شامل GPIO، رابط‌های ارتباطی (UART، SPI، I2C) و پین‌های تغذیه است. برای عملکردهای جایگزین پین و گزینه‌های پیکربندی به دیتاشیت سازنده مراجعه کنید. ضروری برای طراحی سیستم‌های نهفته و چیدمان PCB.
داده پین‌آوت تفصیلی موجود نیست برای A54SX32-TQG176.
به دیتاشیت برای پیکربندی کامل پین‌ها.
کاربردهای معمول
A54SX32-TQG176 مناسب است برای 6 کاربردs: Industrial Control and Automation, Legacy 5V/3.3V Bus Bridging, Communications Line Cards, Military and Aerospace Legacy Sustainment, Test and Measurement Equipment, Secure Embedded Controllers.
Industrial Control and Automation
The A54SX32-TQG176 fits industrial control and factory automation systems that must interface legacy 5V PLC I/O with modern 3.3V digital circuitry, thanks to its dual supply architecture (3V-3.6V core, 4.75V-5.25V I/O). The 32K gates and 1,800 cells consolidate glue logic, counters, and state machines that would otherwise occupy several CPLDs or dozens of discrete devices. The antifuse fabric powers up instantly with the correct configuration, which matters for safety interlocks that cannot tolerate FPGA configuration latency. With 147 user I/Os in the 176-TQFP package, designers can implement parallel bus bridges, encoder interfaces, and relay-control sequencing in one solder-friendly, hand-inspectable package rated 0C to +70C for standard industrial enclosures.
پیشنهادی
Legacy 5V/3.3V Bus Bridging
The A54SX32-TQG176 excels as a voltage-domain bridge: its 5V-tolerant I/O bank connects directly to TTL-level backplanes, VME-style buses, or 5V microprocessors, while the 3.3V core logic talks to modern peripherals. The 240 MHz system performance gives ample timing margin for bus arbitration, byte-swapping, wait-state generation, and address decoding. Because the antifuse configuration is non-volatile, the bridge logic is active within microseconds of power application - no configuration PROM boot sequence - which simplifies power-rail bring-up on mixed-voltage boards. The 32K gate capacity accommodates dual 16-bit bus interfaces plus control logic, and the 176-TQFP (24x24 mm) footprint allows rework and inspection on through-hole-heavy legacy boards.
پیشنهادی
Communications Line Cards
Telecom and datacom line cards use the A54SX32-TQG176 for framing, clock-domain crossing, and backplane interface logic where deterministic, instant-on behavior is required. The SX family's sea-of-modules architecture delivers predictable timing across the 1,800-cell fabric, easing timing closure on synchronous interfaces at up to 240 MHz. The 147 programmable I/Os support multiple T1/E1 or serial backplane channels with level flexibility. Because antifuse FPGAs carry no configuration readback path, they suit equipment where design IP protection matters. The commercial 0C to +70C rating covers central-office environments, and the TQFP-176 package permits high-density line-card layouts without BGA assembly cost.
پیشنهادی
Military and Aerospace Legacy Sustainment
Many defense and avionics programs were designed around Actel antifuse FPGAs for their radiation-tolerant configuration and design security, and the A54SX32-TQG176 serves commercial-grade segments and ground equipment of such programs. The one-time-programmable fabric cannot be reconfigured in flight or read back by adversaries, and there is no configuration memory to upset, supporting high-reliability sustainment. Obsolescence-risk management is easier because Microchip continues the SX family and pin-compatible SX-A derivatives (such as A54SX32A-TQG176) allow board-level continuity where electrical review permits. The 32K gate capacity covers interface controllers, telemetry formatters, and voter logic in ground-test and support equipment rated 0C to +70C.
پیشنهادی
Test and Measurement Equipment
Bench instruments and automated test equipment (ATE) use the A54SX32-TQG176 for trigger logic, timing generators, and pattern capture. The 240 MHz fabric speed supports sub-10 ns event resolution in trigger chains, while 147 I/Os fan out to probe matrices and relay multiplexers directly at 5V or 3.3V levels. Instant-on antifuse configuration means the instrument's sequencing logic is live before the host CPU boots, enabling clean power-up state capture. The 32K gates comfortably hold counter/timer macros, UART/SPI bridges, and pattern RAM interfaces. The 176-TQFP package simplifies prototyping and rework - important when instruments are iterated in low volumes on mixed-technology PCBs.
پیشنهادی
Secure Embedded Controllers
The A54SX32-TQG176 is well suited to embedded controller functions where bitstream confidentiality is a requirement. SRAM FPGAs expose their configuration in the bitstream file and over the configuration interface; the SX antifuse fabric is programmed once via the silicon-level antifuses and cannot be read back, so the design remains inside the package. Designers use the 32K gates for cryptographic-hardware wrappers around 5V legacy peripherals, secure key-handling state machines, and tamper-response sequencing with instant-on behavior. The dual 3.3V/5V supply supports direct interfacing with older secure-module hardware, and the commercial 0C to +70C range with TQFP-176 package fits standard embedded controller boards.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای A54SX32-TQG176 — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | A54SX32A-TQG176 | A54SX16-TQG176 | A54SX16-TQG176I | A54SX16P-TQG176 | A54SX16-2TQG176 |
|---|---|---|---|---|---|---|
| Package | 176-TQFP (24x24 mm) | 176-TQFP (24x24 mm) - same | 176-TQFP - same | 176-TQFP - same | 176-TQFP - same | 176-TQFP - same |
| Brand | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) | Microsemi (Microchip) |
| System Gates | 32000 | 32000 | 16000 | 16000 | 16000 | 16000 |
تفاوت‌های کلیدی
- Full 32K gate capacity in the 176-TQFP footprint (در مقابلA54SX16-TQG176)
- 3.3V/5V dual-rail operation for legacy integration (در مقابلA54SX32A-TQG176)
- Non-volatile, read-back-protected antifuse fabric (در مقابلA54SX16P-TQG176)
یادداشت‌های طراحی
The A54SX32-TQG176 requires two supply rails: 3V-3.6V for the core and 4.75V-5.25V for the I/O banks. Decouple each VDD pin with 0.1 uF ceramic capacitors placed within 5 mm of the pin, plus bulk 10 uF per rail. Sequence is not strictly mandated, but avoid powering the 5V I/O rail while the 3.3V core rail is absent for extended periods. Verify total current against the SX datasheet power estimator using your post-route netlist, since antifuse FPGA power depends on actual utilization and toggle rates.
The SX family is one-time programmable (antifuse). There is no in-system reconfiguration - a logic fix requires a new physical device. Budget for prototype devices, verify the design exhaustively in simulation and on programmer hardware, and freeze the design before ordering production quantities. Also note that once programmed, the device cannot be returned or re-marketed, so program only parts destined for the final build.
With 147 I/Os in a 24x24 mm TQFP, use short stub routing on 5V-legacy buses and series-terminate (22-33 ohm) fast edges to control ringing, since 0.35 um output drivers can drive legacy TTL loads with stiff edges. Provide a solid ground plane under the device and return each 5V I/O bank's current with nearby ground vias. Keep clock lines length-matched if multiple synchronous I/O banks share a strobe.
اطلاعات انطباق
Compliance data not stated in the retrieved web data. The 'G' suffix in the Microchip part numbering convention generally denotes lead-free/green packaging, but this must be confirmed against the official Microchip product page before procurement claims.
