A54SX08-2VQG100 - SX FPGA 12k Gates 100-TQFP | Microchip
MPN： A54SX08-2VQG100 ✓ 啟用中A54SX08-2VQG100 概覽
An antifuse FPGA is a one-time-programmable logic device that forms permanent interconnects at programming time. Within the power-management hierarchy of programmable logic, the SX family sits among low-cost, high-reliability, non-volatile FPGAs: unlike SRAM FPGAs, it requires no configuration ROM, boots instantly at power-up, and resists configuration upset from radiation or power glitches, which is why antifuse FPGAs remain popular in aerospace, industrial, and long-lifecycle embedded systems.
Key features of the A54SX08-2VQG100 include its SX logic architecture with 768 logic elements for moderate-density glue logic, control, and interface functions; 81 user I/O supporting legacy 5V-tolerant signaling via the 5V rail; and speed grade 2 performance suited to state machines, bus interfaces, and address decoding. The dual-rail architecture separates the 3.3V core from the 5V I/O supply, simplifying integration into older 5V bus systems.
Technically, the SX family uses a sea-of-modules architecture with fine-grained combinational and sequential building blocks. Antifuse interconnect provides low on-resistance routing with no configuration memory, contributing to instant-on behavior, low static configuration risk, and long-term bitstream integrity over decades of deployment.
Typical applications include industrial control and automation glue logic, telecommunications line-card interface bridging, legacy 5V system upgrades, test and measurement board logic, and defense/aerospace subassemblies where deterministic non-volatile configuration is required.
When designing with this device, note that it is one-time programmable: prototype with the appropriate development flow (Libero SoC or legacy Designer software) before committing hardware, and plan I/O budgets since 81 user I/O is fixed per device.
This page synthesizes verified distributor data, drop-in family alternatives, pricing tiers, and practical design notes not found in the manufacturer datasheet, providing a single engineering-grade reference for the A54SX08-2VQG100.
直接替換替代品，適用於 A54SX08-2VQG100 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： A54SX08-2VQG100 （相同外形與佔位） — 差異在於 System Gates, Operating Temperature, Logic Cells, Family, Package.
A54SX08-1VQG100I
✅ 直接替換聯絡詢價
查看資料表 →A54SX08-VQG100
✅ 直接替換聯絡詢價
查看資料表 →A54SX08-2VQG100I
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →A54SX16-VQG100I
✅ 直接替換聯絡詢價
查看資料表 →A54SX16P-1VQG100I
✅ 直接替換聯絡詢價
查看資料表 →A54SX08-2VQG100 最大額定值與電氣特性
| Series | SX (Axcelerator-compatible SX family) |
| System Gates | 12000 |
| Logic Elements | 768 |
| User I/O | 81 |
| Supply Voltage (Core) | 3 V to 3.6 V |
| Supply Voltage (I/O) | 4.75 V to 5.25 V |
| Speed Grade | 2 |
| Programmable Type | Antifuse (One-Time Programmable) |
| Configuration Memory | None required (non-volatile antifuse) |
| 封裝 | 100-TQFP (14x14 mm, VQG100) |
| Supplier Device Package | 100-VQFP (14x14) |
| 安裝類型 | Surface Mount |
| 工作溫度 | 0C to +70C (commercial grade per part-number suffix) |
| Product Type | Field Programmable Gate Array (FPGA) |
A54SX08-2VQG100 100-vqfp (14x14) 腳位配置指南
A54SX08-2VQG100（100-vqfp (14x14) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： A54SX08-2VQG100.
請參閱 資料表 以查看完整腳位配置。
典型應用
A54SX08-2VQG100 適用於 6 應用s: Industrial Control and Automation Glue Logic, Telecommunications Line-Card Interface Logic, Legacy 5V System Upgrades and Obsolescence Redesign, Test and Measurement Board Logic, Defense and Aerospace Subassemblies, Power-On-Critical Embedded Controllers.
Industrial Control and Automation Glue Logic
The A54SX08-2VQG100 fits industrial control backplanes where deterministic, instant-on logic replaces multiple 74xx devices. Its 12,000 gates and 768 logic elements absorb address decoding, bus arbitration, and interlock logic, while the 81 user I/O consolidate discrete control signals on a single 100-TQFP footprint. Because the antifuse configuration is non-volatile, the FPGA is functional the instant 3.3V and 5V rails appear - no configuration loading delay, which matters in safety interlock chains. The 5V-compatible I/O rail (4.75V-5.25V) bridges directly to legacy PLC I/O and optocoupler front-ends. Use the dual-rail design to isolate the 3V-3.6V core from noisy 24V-derived 5V supplies with local 100nF/10uF decoupling per bank.
推薦
Telecommunications Line-Card Interface Logic
Telecom line cards historically mix 5V backplane signaling with 3.3V logic, exactly matching the A54SX08-2VQG100 dual supply architecture. The FPGA's 81 user I/O terminate TDM backplane lines, generate framing signals, and bridge control buses, while speed grade 2 timing supports typical line-card clock domains in the tens of MHz. Antifuse permanence means carrier-grade boards power up operational after years of storage, with no bitstream device to fail - a cited advantage of Actel/Microsemi SX silicon in telecom hardware. Place the device close to backplane connectors, keep the 3V-3.6V core rail filtered, and follow SX family power-supply sequencing guidance from the manufacturer datasheet during hot-swap design.
推薦
Legacy 5V System Upgrades and Obsolescence Redesign
Engineers retrofitting obsolete 5V CPLDs, PALs, and TTL glue logic choose the A54SX08-2VQG100 because its 4.75V-5.25V I/O rail speaks native legacy signaling without level shifters. One 100-TQFP device consolidates dozens of retired SSI/MSI packages, cutting board area and BOM lines while preserving the original 5V edge cases. The 12,000-gate capacity typically absorbs complete legacy decode trees with margin for future revisions - and because the SX antifuse boots instantly, replacement boards drop into systems that have no concept of FPGA configuration time. Verify timing closure at speed grade 2 against the original combinational delays, and follow the manufacturer datasheet I/O bank current limits when driving heavy legacy loads.
推薦
Test and Measurement Board Logic
Instrument makers use the A54SX08-2VQG100 for fixture control, trigger distribution, and relay-sequencing logic where 81 I/O across a 14x14 mm footprint is the decisive advantage. Antifuse configuration guarantees identical behavior on every power cycle - critical when a test station must produce repeatable results for years - and there is no risk of configuration corruption from ESD events on the production floor. Speed grade 2 supports trigger-path logic in the tens of MHz with deterministic pin-to-pin delays documented in the SX datasheet AC tables. Budget I/O current per bank when driving LED indicators and relay drivers, and route the 5V I/O supply on a dedicated plane separate from analog measurement grounds to preserve noise floor.
推薦
Defense and Aerospace Subassemblies
Although the commercial-grade A54SX08-2VQG100 targets ground-based equipment, the SX antifuse architecture is a staple in defense subassemblies precisely because its configuration is immune to single-event configuration upset - there is no SRAM configuration memory to corrupt. Ground-based radar pre-processors, test sets, and secure-system support logic use the 12,000-gate SX08 for interfaces, scramblers, and control sequencing. The instant-on boot eliminates configuration-supervision circuits required by SRAM FPGAs, improving availability and simplifying qualification. For programs with extended temperature or screening requirements, migrate to the 'I'-suffixed variant (A54SX08-2VQG100I) on the same footprint, and consult Microchip's aerospace documentation for the corresponding radiation and screening data on SX-family silicon.
推薦
Power-On-Critical Embedded Controllers
Embedded controllers that must act within microseconds of power application - motor protection relays, valve controllers, safety monitors - benefit directly from the A54SX08-2VQG100's zero-configuration-time boot. An SRAM FPGA is blind for tens of milliseconds while it loads bitstream; the antifuse SX08 is live immediately, letting safety logic supervise even the power-up transient. Its 768 logic elements implement watchdog counters, start-up sequencers, and fault latching with millisecond-accurate behavior locked at programming time. The dual 3V/5V rail design also lets the device supervise 5V sensors while its 3.3V core tolerates modern supply tolerances. Follow the SX datasheet power-ramp requirements and add brown-out supervision on the core rail for worst-case field supplies.
推薦
推薦產品摘要
工程參考資料，適用於 A54SX08-2VQG100 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | A54SX08-1VQG100I | A54SX08-VQG100 | A54SX16-VQG100I | A54SX16P-1VQG100I |
|---|---|---|---|---|---|
| Package | 100-TQFP (VQG100, 14x14 mm) | 100-TQFP (VQG100, 14x14 mm) - same | 100-TQFP (VQG100, 14x14 mm) - same | 100-TQFP (VQG100, 14x14 mm) - same | 100-TQFP (VQG100, 14x14 mm) - same |
| Brand | Microchip Technology (Microsemi) | Microchip Technology (Microsemi) | Microchip Technology (Microsemi) | Microchip Technology (Microsemi) | Microchip Technology (Microsemi) |
| Speed Grade | 2 | 1 (faster) | standard (slower) | 1 | 1 |
| Temperature Grade | Commercial (0C to +70C) | Industrial | Commercial | Industrial | Industrial |
| Configuration Technology | Antifuse (one-time programmable) | Antifuse (one-time programmable) | Antifuse (one-time programmable) | Antifuse (one-time programmable) | Antifuse (one-time programmable) |
主要差異化特點
- Faster timing margin within the same footprint (對比A54SX08-VQG100)
- Lower cost than the faster industrial variant (對比A54SX08-1VQG100I)
- Design headroom upgrade path on the same PCB (對比A54SX16-VQG100I)
設計說明
The A54SX08-2VQG100 uses two supply rails: 3V-3.6V core and 4.75V-5.25V I/O. Decouple each rail with at least 100nF ceramic per power pin plus 10uF bulk per rail, placed within a few millimeters of the package. Observe the SX family power-ramp requirements from the manufacturer datasheet - both rails must be stable before the device is considered operational. Because antifuse FPGAs draw essentially static core current with no configuration current surges, bulk capacitance can be modest compared to SRAM FPGAs, but the 5V I/O rail should be sized for simultaneous-switching output current per the datasheet I/O bank limits.
This is a one-time-programmable antifuse device: a mis-programmed part cannot be recovered. Always complete post-route timing simulation at speed grade 2 and verify I/O placement in Libero/Designer before generating the programming file. Second, do not exceed the 81 user I/O budget - the 100-TQFP pin count includes fixed power, ground, and programming pins. Third, confirm the commercial temperature grade (0C to +70C) matches your environment; if field units may see industrial temperatures, specify the A54SX08-2VQG100I or A54SX08-1VQG100I instead, which use the same footprint.
With 81 user I/O on a 14x14 mm 100-TQFP, plan ground return paths early: assign at least two pins as additional grounds via your I/O constraints where the datasheet permits, and keep high-toggle-rate outputs away from clock inputs. Use the manufacturer datasheet output edge-rate data to estimate crosstalk on long 5V-swing traces; the 5V I/O rail produces larger noise steps than 3.3V-only logic, so series terminate (22-33 ohm) any line longer than roughly 10 cm. Follow Microchip SX family application notes for recommended bank-by-bank grounding of the VQG100 package.
合規資訊
Compliance status was not stated in the retrieved distributor data as of 2026-09-03. Legacy SX-family devices exist in both leaded and lead-free package variants - confirm the environmental suffix with the distributor or Microchip product page before ordering.
