A54SX08-2PLG84I - SX FPGA 12K Gates 84-PLCC | Microsemi
MPN: A54SX08-2PLG84I ✓ Hoạt độngA54SX08-2PLG84I 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. Within the programmable logic hierarchy, the A54SX08 sits in the antifuse FPGA subcategory of programmable logic ICs - as opposed to SRAM-based FPGAs - meaning its configuration is permanent, non-volatile, and immune to configuration readback, which is why antifuse FPGAs are traditionally favored in defense, avionics, and secure industrial systems.
Key features include dual-rail supply operation (3.0V to 3.6V core and 4.75V to 5.25V VCCPLS programming/5V-tolerant I/O operation per the SX family), 0.35 um CMOS antifuse process technology, C-cell logic modules supporting 9-bit parity-tree functions with 2 ns propagation delays, and speed grade -2 timing. The 320 MHz system toggle capability suits state machines, glue logic consolidation, bus interfacing, and address decoding.
The SX architecture uses a sea-of-modules structure that is synthesis friendly, simplifying implementation in standard HDL flows. Because configuration data is stored in antifuse elements, no external configuration PROM is required, reducing BOM count and eliminating boot-time configuration delays - a distinct advantage over SRAM FPGAs in power-cycled systems.
Typical applications include industrial control, telecommunications line cards, embedded glue logic, and legacy avionics subsystem upgrades where the 84-PLCC through-hole-style J-lead package aids solder joint inspection.
Design consideration: the dual supply rails mean the PCB must route both 3.3V and 5V domains; verify I/O voltage compatibility against the SX family datasheet before mixing 5V and 3.3V signaling on the same bank.
This page synthesizes distributor pricing, same-family drop-in packaging and speed-grade alternatives, and practical design notes not found in the manufacturer datasheet, with pricing referenced as of 2026-09-03.
Bộ thay thế dễ dàng lắp đặt cho A54SX08-2PLG84I — 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 A54SX08-2PLG84I (cùng hình factor và footprint) — khác nhau ở Process Technology, Logic Cells, Package / Case, Supplier Device Package, Family.
A54SX08-PLG84I
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX08-1PLG84I
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
A54SX08-2PLG84
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →A54SX08-2PLG84I Tỷ lệ tối đa & tính chất điện
| Series | SX (Axcelerator predecessor, SX family) |
| System Gates | 12000 |
| Logic Elements / Blocks | 768 |
| Logic Cells | 512 |
| Number of I/O | 69 |
| Speed Grade | -2 |
| Max Toggle Rate | 320 MHz |
| Process Technology | 0.35 um antifuse CMOS |
| Supply Voltage (VCC) | 3V ~ 3.6V |
| Supply Voltage (VCCPLS) | 4.75V ~ 5.25V |
| I/O Voltage Support | 3.3V / 5V |
| Configuration Type | Antifuse (non-volatile, one-time programmable) |
| Nhiệt độ hoạt động | -40C to +85C (industrial, I suffix) |
| Hộp / Vỏ | 84-LCC (J-Lead), PLCC-84 |
| Supplier Device Package | 84-PLCC (29.31 x 29.31 mm) |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Tray |
Hướng dẫn cấu hình chân A54SX08-2PLG84I 84-plcc (29.31 x 29.31 mm)
Cấu hình chân cho A54SX08-2PLG84I (84-plcc (29.31 x 29.31 mm) 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 A54SX08-2PLG84I.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
A54SX08-2PLG84I phù hợp cho 6 Áp dụngs: Industrial Control and Automation, Glue Logic Consolidation, Secure and Defense Electronics, Telecommunications Line Cards, Avionics and Legacy Subsystem Upgrades, Test and Measurement Instrumentation.
Industrial Control and Automation
The A54SX08-2PLG84I fits industrial control because its -40C to +85C industrial rating, 320 MHz toggle rate, and 69 flexible I/O absorb the mixed 5V and 3.3V signaling found on PLC backplanes and sensor buses. In a typical design it consolidates address decoding, interlock logic, and sequencer state machines that would otherwise occupy several 74-series devices. Because the antifuse configuration is one-time-programmable and non-volatile, the logic is active within microseconds of power application and cannot be corrupted by electrical noise or brownouts - a frequent failure mode for SRAM FPGAs on noisy factory floors. The 84-PLCC J-lead package also supports visual solder inspection common in industrial quality processes.
Được đề xuất
Glue Logic Consolidation
The primary historical role of the SX08 is glue logic: bus transceiving, wait-state generation, chip-select decoding, and interrupt aggregation around microprocessors. The 768 logic elements provide roughly 12,000 usable gates - enough for a full 32-bit address decoder with arbitration, while the C-cell architecture supports 9-bit parity-tree functions with 2 ns propagation delays per the SX family datasheet, keeping combinational paths fast. The antifuse fabric needs no configuration PROM, reducing board population versus SRAM FPGA solutions and removing the boot sequence entirely. Speed grade -2 timing accommodates 320 MHz internal toggling, giving ample margin over legacy bus clock rates of 33 to 100 MHz.
Được đề xuất
Secure and Defense Electronics
Antifuse FPGAs like the A54SX08-2PLG84I are favored in defense and secure systems because the programmed configuration physically cannot be read back from the silicon, protecting IP against cloning and reverse engineering. The Actel/Microsemi SX lineage has a long deployment history in avionics and military ground systems, and the instant-on, non-volatile behavior suits platforms where power-cycling is frequent and configuration storage is undesirable. The 0.35 um process is inherently robust against many soft-error mechanisms relative to finer geometries. The SX32 and radiation-tolerant RTAX family members in the same architecture portfolio provide qualification and density escalation paths for programs that outgrow the 12K-gate SX08.
Được đề xuất
Telecommunications Line Cards
In telecom line cards, the A54SX08-2PLG84I implements framing logic, alarm aggregation, and backplane interface glue between PHY devices and system controllers. Its 5V-tolerant I/O directly mates with legacy 5V backplane signaling while the 3.3V core keeps dynamic power manageable; the dual-rail supply (3.0V-3.6V plus 4.75V-5.25V VCCPLS) matches mixed-voltage card architectures without level translators. The 320 MHz toggle ceiling comfortably exceeds T1/E1 and DS3 framers' local clock domains. Because card designs are frozen after qualification, the one-time-programmable antifuse removes concerns about configuration bitstream corruption over a 20-year field life, and PLCC sockets permit field replacement during depot-level repair.
Được đề xuất
Avionics and Legacy Subsystem Upgrades
Many certified avionics line-replaceable units were designed around Actel SX devices, and the A54SX08-2PLG84I serves both as new-build supply and as form-fit-function replacement during obsolescence-driven respins. The industrial -40C to +85C range covers most cockpit equipment bays, and the 0.35 um antifuse process provides stable timing over temperature without reconfiguration risk. Because certification documentation pins the original logic design, the ability to order the identical 84-PLCC die in multiple speed grades (-1 and -2) lets integrators manage timing margin without changing the approved netlist. The PLCC J-lead also reflows reliably onto legacy through-hole-era boards adapted for surface mount.
Được đề xuất
Test and Measurement Instrumentation
Bench and rack instruments use the A54SX08-2PLG84I for trigger logic, counter/timer front ends, and bus arbitration (GPIB, RS-232, parallel status buses). The deterministic, reconfiguration-free behavior of antifuse silicon aids measurement repeatability: power-up timing jitter from configuration loading simply does not exist, so the instrument is measuring within microseconds of switch-on. The 2 ns parity and fast carry paths in the C-cell fabric support frequency counters up to the internal 320 MHz toggle limit. Industrial temperature rating suits portable field instruments, and the 69 I/O cover front-panel switches, display buses, and acquisition triggers from one 12K-gate device.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho A54SX08-2PLG84I — 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 | A54SX08-PLG84I | A54SX08-1PLG84I | A54SX08-2VQG100I |
|---|---|---|---|---|
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 84-PLCC (J-Lead) 29.31 x 29.31 mm | 84-PLCC - same | 84-PLCC - same | 100-VQFP - different |
| System Gates | 12,000 | 12,000 | 12,000 | 12,000 |
| Logic Elements / Cells | 768 / 512 | 768 / 512 | 768 / 512 | 768 / 512 |
| User I/O | 69 | 69 | 69 | More (VQFP-100) |
| Speed Grade | -2 (320 MHz) | -2 (320 MHz) | -1 (slower) | -2 (320 MHz) |
| Supply Voltage | 3.0-3.6V core, 4.75-5.25V VCCPLS | 3.0-3.6V core, 4.75-5.25V VCCPLS | 3.0-3.6V core, 4.75-5.25V VCCPLS | 3.0-3.6V core, 4.75-5.25V VCCPLS |
| Temperature Range | -40C to +85C (industrial) | Commercial (0C to +70C) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Configuration | Antifuse (non-volatile OTP) | Antifuse (non-volatile OTP) | Antifuse (non-volatile OTP) | Antifuse (non-volatile OTP) |
Bảo phân biệt quan trọng
- Industrial temperature range in PLCC-84 (vsA54SX08-PLG84I)
- Faster timing grade on identical die (vsA54SX08-1PLG84I)
- No external configuration device needed (vsA54SX08-2VQG100I (and any SRAM FPGA))
Ghi chú thiết kế
The A54SX08-2PLG84I requires two supply rails: 3.0V to 3.6V core (VCC) and 4.75V to 5.25V VCCPLS. Decouple each rail with at least 0.1 uF ceramic per supply pin pair plus 10 uF bulk per rail. Estimated: at 12K gates toggling at moderate rates, core current is typically tens of milliamps, but VCCPLS is required for the antifuse programming charge pump - confirm both rails are present before any programming operation, otherwise programming fails silently. Per the 54SX family datasheet, observe the recommended power-up sequencing to avoid latch-up during dual-rail startup.
The 84-PLCC J-lead package has leads on all four sides with a 1.27 mm pitch; use an NSF/ JEDEC-style PLCC-84 land pattern per the package drawing in the 54SX datasheet and support inspection of J-lead fillets. For mixed 5V/3.3V I/O assignments, group same-voltage banks together in your pin placement to simplify returns and reduce ground bounce. If a PLCC socket is used for field serviceability, account for the socket contact resistance and inductance in I/O timing margin, and derate toggle performance estimates accordingly.
Antifuse devices are one-time programmable: an invalid design cannot be reflowed, so complete full timing simulation at speed grade -2 before committing a programming file. Do not substitute the commercial-temperature A54SX08-PLG84I into industrial (-40C to +85C) designs - timing and reliability are only specified over the commercial range. Finally, remember that on antifuse FPGAs most pin functions are assigned at place-and-route; never assume a signal appears on a specific physical pin without checking the generated pin report from the design software.
Thông tin tuân thủ
RoHS/lead-free status for this legacy 0.35 um antifuse FPGA was not stated in the retrieved web data; confirm against the Microchip product page or certificate of conformance before specifying for new RoHS-restricted builds.
