A54SX32-2TQG176I - 48K Gate SX-A FPGA 176-TQFP | Microsemi
MPN: A54SX32-2TQG176I ✓ Hoạt độngA54SX32-2TQG176I Tóm tắt
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a matrix of configurable logic blocks and programmable interconnects that the designer wires together after manufacturing. The SX family belongs to the antifuse FPGA category: unlike SRAM-based FPGAs, its programming connections are one-time programmable (OTP), which means the configuration is non-volatile, instantly available at power-up, and inherently resistant to configuration readback attacks. Antifuse FPGAs sit within the broader programmable logic hierarchy alongside flash-based and SRAM-based FPGAs, CPLDs, and ASICs.
Key features of the A54SX32-2TQG176I include a sea-of-modules architecture that delivers gate-level ASIC-like performance, 1,800 logic cells (modules), 0.35 um fabrication technology, and a -2 speed grade. The dual-rail supply architecture supports both 3.3V and 5V I/O environments, easing integration into mixed-voltage legacy systems common in industrial and aerospace platforms.
Technically, the sea-of-modules fabric implements logic in a repeating array of C-cells (combinational) and R-cells (sequential/register), interconnected through antifuse program points. This structure minimizes routing delay variability and enables deterministic, predictable timing compared to SRAM FPGA routing, with typical system-level performance up to 320 MHz as cited by distributors. Because the antifuse is programmed only once, the device also avoids configuration-scrubbing complexity in radiation-sensitive or high-reliability environments, a hallmark reason Actel/Microsemi parts are entrenched in avionics and defense designs.
Typical applications include industrial control and automation, communications and networking line cards, medical instrumentation, and military/aerospace subsystems where instant-on, non-volatile configuration and supply-chain-proven longevity matter. The 147 user I/O count fits glue-logic consolidation, bus interface bridging, and protocol conversion roles.
A critical design consideration: antifuse devices are one-time programmable, so a design error requires a physical part swap. Budget for programming yields and keep programmed spare inventory; use Libero/Microsemi toolchains for place-and-route and verify timing before commit.
This page synthesizes distributor pricing, drop-in speed-grade and family alternatives, and practical design notes not found in the manufacturer datasheet, verified as of 2026-09-03.
Bộ thay thế dễ dàng lắp đặt cho A54SX32-2TQG176I — 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 A54SX32-2TQG176I (cùng hình factor và footprint) — khác nhau ở Family, Package, Process Technology, System Gates, RoHS Status.
A54SX32A-2TQG176I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX32-1TQG176I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX32-TQG176I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX32-2TQG176
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX32-2TQ176I
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
A54SX32-2TQG176I Tỷ lệ tối đa & tính chất điện
| System Gates | 48,000 |
| Logic Cells | 1,800 |
| User I/O | 147 |
| Maximum Frequency | 320 MHz |
| Technology | 0.35 um antifuse |
| Speed Grade | -2 |
| Supply Voltage (Core/I-O rail 1) | 3 V to 3.6 V |
| Supply Voltage (rail 2) | 4.75 V to 5.25 V |
| Programmability Type | One-Time Programmable (antifuse) |
| Family | SX |
| Hộp / Vỏ | 176-LQFP (TQFP, 24x24 mm) |
| Supplier Device Package | 176-TQFP (24x24) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40C to +85C (industrial, I suffix) |
| Trạng thái RoHS | RoHS Compliant |
| Lead Free Status | Lead Free |
Hướng dẫn cấu hình chân A54SX32-2TQG176I 176-tqfp (24x24)
Cấu hình chân cho A54SX32-2TQG176I (176-tqfp (24x24) 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 A54SX32-2TQG176I.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
A54SX32-2TQG176I phù hợp cho 6 Áp dụngs: Industrial Automation and Control, Military and Avionics Subsystems, Communications and Networking Line Cards, Medical Instrumentation, Test and Measurement Equipment, Secure Embedded Systems.
Industrial Automation and Control
The A54SX32-2TQG176I suits industrial controllers and PLC I/O subsystems because its 48,000 gates and 147 user I/Os consolidate discrete glue logic, bus interfacing, and interlock logic into one deterministic antifuse device. The industrial -40C to +85C rating of the I suffix tolerates uncontrolled factory-floor and cabinet environments, while the dual 3.3V/5V supply rails (3V-3.6V and 4.75V-5.25V) allow direct interfacing with legacy 5V sensors and 3.3V microcontroller buses. Because the antifuse configuration is non-volatile, the controller is fully operational the instant power is applied, with no configuration loader to fail after power brownouts. Place the FPGA between field bus transceivers and the host CPU, implementing handshake, address decoding, and fault-latching at the fabric's up-to-320 MHz timing capability, with timing deterministic across lot-to-lot variation.
Được đề xuất
Military and Avionics Subsystems
Antifuse FPGAs are entrenched in defense and aerospace platforms because the one-time-programmed configuration cannot be read back or altered, and the device powers up functional with zero configuration time - both properties valued in mission-critical avionics. The A54SX32-2TQG176I provides 32K-gate-class density (48,000 system gates, 1,800 cells) for functions such as ARINC-style bus glue logic, telemetry formatting, and discrete-to-digital conversion. Its sea-of-modules fabric gives deterministic routing delays, simplifying worst-case timing analysis required by safety reviews. The industrial temperature rating and long production history under Microsemi/Microchip support multi-decade platform sustainment. Designers should implement single-event-upset mitigation at the RTL level (TMR on registers) since the antifuse fabric is flip-flop based, and rely on the manufacturer datasheet timing models for certification evidence.
Được đề xuất
Communications and Networking Line Cards
In telecom and networking line cards, the A54SX32-2TQG176I performs backplane bus bridging, framing, and control-plane glue logic where its 147 user I/O pins handle wide parallel buses. The SX family's up-to-320 MHz operation supports line-rate parallel data handling in legacy T1/E1 and early Ethernet equipment, and deterministic antifuse timing simplifies meeting backplane setup/hold budgets across temperature. The dual-rail supply (3.3V core/I-O and 5V rail) eases integration into mixed-voltage chassis designs. Because the configuration is fixed at programming, service providers gain protection against accidental or malicious logic changes in deployed cards. A practical consideration: antifuse OTP means any firmware feature change requires new silicon, so hold programmed spares for field-return service and validate the bitstream against every speed-grade bin used in production.
Được đề xuất
Medical Instrumentation
Medical diagnostic equipment benefits from the A54SX32-2TQG176I's combination of instant-on operation, deterministic timing, and stable long-term supply. The 48,000-gate fabric implements front-end sequencing, ADC control interfaces, and safety interlock logic, while the 147 user I/Os connect sensor arrays, displays, and the host processor. Antifuse non-volatility ensures the instrument's logic is active the moment power is applied - important for patient-safety interlocks that must default to a safe state without depending on a configuration load. The industrial -40C to +85C rating exceeds typical clinical requirements, adding margin for transport and storage conditions. Regulatory teams also value that the programmed configuration is immutable, easing design-history documentation. Verify the 3V-3.6V and 4.75V-5.25V rails against the instrument's power architecture and add local decoupling per pin group.
Được đề xuất
Test and Measurement Equipment
Bench and automated test instruments use the A54SX32-2TQG176I as trigger logic, timing generators, and bus interface fabric. The sea-of-modules architecture delivers predictable, low-skew clock distribution - with device operation up to 320 MHz - which matters for trigger alignment and counter/timer accuracy. Its 1,800 logic cells and 147 user I/Os handle multi-channel stimulus/response interfacing, and the dual 3.3V/5V supply rails connect directly to legacy instrument backplanes. Because antifuse configuration is hard-wired, instruments recalibrate and become operational immediately at power-up, reducing boot time in rack systems that power-cycle frequently. A design tip: implement trigger delay chains in R-cells for matched delays and confirm setup/hold against the -2 speed grade AC tables in the 54SX datasheet before locking the programming file.
Được đề xuất
Secure Embedded Systems
The A54SX32-2TQG176I's antifuse technology makes it a strong choice for security-sensitive embedded systems: there is no bitstream stored in external flash to extract, and the programmed interconnect cannot be read back, defending against reverse-engineering of proprietary logic. Systems such as authentication dongles, key-management boards, and secure boot gatekeepers use the 48,000-gate fabric for state machines, challenge-response logic, and bus firewalls. Instant-on behavior removes boot-time attack windows that SRAM FPGAs expose while loading configuration. The industrial temperature range and dual-rail operation (3V-3.6V, 4.75V-5.25V) fit both embedded and rack environments. Trade-off to communicate to program managers: OTP logic cannot be field-updated, so security patches require hardware swap - keep pre-programmed, version-controlled spare stock and use Microsemi programming services with audited bitstream handling.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho A54SX32-2TQG176I — 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 | A54SX32A-2TQG176I | A54SX32-1TQG176I | A54SX32-TQG176I | A54SX32-2TQG176 | A54SX32-2TQ176I |
|---|---|---|---|---|---|---|
| Package | 176-TQFP (24x24 mm) | 176-TQFP (24x24 mm) - same | 176-TQFP (24x24 mm) - same | 176-TQFP (24x24 mm) - same | 176-TQFP (24x24 mm) - same | 176-TQFP (24x24 mm) - same |
| Brand | Microsemi (Microchip) | Microsemi | Microsemi | Microsemi | Microsemi | Microsemi |
| System Gates | 48,000 | 32K-class (same density) | 48,000 | 48,000 | 48,000 | 48,000 |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (I suffix) | -40C to +85C (industrial) | Commercial (0C to +70C) | Commercial (no I suffix) | -40C to +85C (industrial) |
| RoHS / Lead Finish | RoHS compliant, lead free (G suffix) | RoHS compliant (G) | RoHS compliant (G) | RoHS compliant (G) | RoHS compliant (G) | Non-G, lead-bearing - not RoHS |
| Technology / Programmability | 0.35 um antifuse (OTP) | 0.25 um antifuse (OTP) | 0.35 um antifuse (OTP) | 0.35 um antifuse (OTP) | 0.35 um antifuse (OTP) | 0.35 um antifuse (OTP) |
Bảo phân biệt quan trọng
- Deterministic 0.35 um antifuse timing (vsA54SX32A-2TQG176I)
- Industrial temperature rating (vsA54SX32-2TQG176)
- RoHS-compliant green package (vsA54SX32-2TQ176I)
- Faster speed grade availability (vsA54SX32-1TQG176I)
Ghi chú thiết kế
The A54SX32 is one-time programmable (antifuse OTP). Never release the programming file before completing post-place-and-route timing verification and gate-level simulation in the Microsemi Designer/Libero flow - a logic error cannot be patched in the field and requires new silicon. Budget for programming yield (industry practice commonly reserves 5-10% spare programmed parts) and keep version-controlled bitstream archives tied to the exact designer software revision used to generate them, since toolchain version changes can alter routing and timing.
The device requires dual rails: 3V-3.6V and 4.75V-5.25V per the Microchip USA specification. Sequence or at least decouple both domains carefully: fit 0.1 uF ceramic capacitors at each supply/ground pin pair on all four sides of the 176-TQFP plus 10 uF bulk per rail. Estimate: with 147 user I/O, I/O switching current can dominate total power - use the datasheet current equations with your actual toggle rates rather than assuming worst case, and confirm regulator droop during simultaneous bus switching.
Design the 176-TQFP (24x24 mm) footprint directly from the manufacturer mechanical drawing in the 54SX family datasheet (a54sx_ds.pdf) rather than from third-party CAD libraries, which are frequently wrong for mature Actel packages. Use the programming pin assignments exactly as specified - they are fixed and must not be repurposed. For signal integrity on the 5V-tolerant interface domain, keep stub lengths short on parallel buses and verify setup/hold with the -2 grade AC tables; the deterministic antifuse routing makes these calculations reliable once the design is routed.
Thông tin tuân thủ
RoHS Compliant and Lead Free per digchip.com datasheet listing for A54SX32-2TQG176I. REACH, halogen-free, and conflict-minerals status not stated in provided data - request declarations from Microchip/Microsemi.
