A54SX08-1FG144I - 8K FPGA 111 I/O 144FBGA | Microchip
MPN： A54SX08-1FG144I ✓ 啟用中A54SX08-1FG144I 概覽
An FPGA (Field-Programmable Gate Array) is a semiconductor device that implements custom digital logic through programmable interconnect and logic blocks configured at power-up or via a programming file. Within the power-management hierarchy of a digital system, the FPGA sits between general-purpose processors and fixed-function ASICs, offering ASIC-like performance without NRE costs. The SX family uses a sea-of-modules antifuse architecture, where one-time-programmable antifuse switches create connections, delivering ASIC-like speed, low power, and inherent resistance to configuration readback compared with SRAM FPGAs.
Key features include the deterministic, high-performance antifuse fabric rated at up to 240 MHz, 0.35 um CMOS process technology, and wide 3.3 V / 5 V dual supply support that eases integration into legacy industrial systems. The industrial-grade I suffix (-40C to +85C) supports harsh-environment deployments, and the 144-ball FBGA provides a compact surface-mount footprint with 111 available user I/Os.
Technically, the SX sea-of-modules architecture replaces the segmented routing of typical SRAM FPGAs with short, fast local interconnect, so critical paths are shorter and timing is highly predictable after place-and-route. Because antifuse programming is permanent, the device does not require an external configuration flash, reducing board BOM count and eliminating configuration-bitstream security exposure.
Typical applications include industrial control and automation, glue logic consolidation and ASIC prototyping, communications line-card interface logic, and aerospace/defense sub-systems where one-time programmability is valued.
Design consideration: antifuse FPGAs are one-time programmable, so fix design bugs before programming production parts and reserve engineering spare capacity; verify I/O banking rules against the 3.3 V / 5 V mixed-voltage plan.
This page synthesizes distributor data, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 A54SX08-1FG144I — 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： A54SX08-1FG144I （相同外形與佔位） — 差異在於 Package, Operating Temperature, System Gates, Family, Configuration.
A54SX08-1FGG144I
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查看資料表 →A54SX08-1FG144I 最大額定值與電氣特性
| System Gates | 8000 |
| Logic Cells | 512 |
| Series | SX-A |
| Number of I/Os | 111 |
| 工作電源電壓 | 3.3 V, 5 V |
| Maximum Operating Frequency | 240 MHz |
| Process Technology | 0.35 um CMOS |
| Programmable Type | Antifuse (One-Time Programmable) |
| Minimum Operating Temperature | -40 C |
| Maximum Operating Temperature | +85 C |
| 封裝 / 外殼 | 144-FBGA |
| 安裝方式 | SMD/SMT |
| Packaging | Tray |
| Logic Family | CMOS |
| Product Category | FPGA - Field Programmable Gate Array |
A54SX08-1FG144I 144-fbga 腳位配置指南
A54SX08-1FG144I（144-fbga 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： A54SX08-1FG144I.
請參閱 資料表 以查看完整腳位配置。
典型應用
A54SX08-1FG144I 適用於 6 應用s: Industrial Control and Automation, Glue Logic Consolidation, Communications Line-Card Interface Logic, ASIC Prototyping and Emulation, Aerospace and Defense Sub-Systems, Battery-Powered and Low-Power Portable Equipment.
Industrial Control and Automation
The A54SX08-1FG144I fits industrial controllers because its -40C to +85C industrial rating survives factory-floor temperature swings while the dual 3.3 V / 5 V supplies interface directly with legacy PLC I/O, relays, and TTL-level sensors without level shifters. The 8K-gate antifuse fabric implements deterministic state machines, encoder counters, and interlock logic at up to 240 MHz with no configuration boot delay, so safety interlocks are active within microseconds of power-up. Because the antifuse bitstream is permanent and unreadable, machine-control IP remains protected on the production line. Place the device between sensor banks and a supervisory MCU, with 100 nF decoupling per supply ball pair; the trade-off is one-time programmability, so freeze the logic design before programming production trays.
推薦
Glue Logic Consolidation
Replacing dozens of 74-series TTL/CMOS devices, PALs, and GALs is a classic SX08 use case: the 111 user I/Os and 512 logic cells absorb address decoding, bus translation, wait-state generation, and interrupt aggregation in a single 144-FBGA. The 5 V-tolerant I/O banks speak legacy 5 V bus levels directly, while the 0.35 um antifuse fabric guarantees fixed propagation delays that discrete TTL replacements cannot match after routing. Because configuration is on-chip, the consolidated logic powers up instantly with no flash-boot sequencing, simplifying the reset tree of the host board. Estimated benefit: one FBGA replaces 20-40 SSI/MSI packages, cutting board area and assembly cost; the design commitment is that antifuse programming is irreversible, so validate the netlist in simulation first.
推薦
Communications Line-Card Interface Logic
In telecom and datacom line cards, the A54SX08-1FG144I implements backplane framing, elk and alarm polling, and parallel-to-serial conversion at speeds up to 240 MHz system rate, comfortably covering T1/E1 and legacy backplane interface rates. The sea-of-modules architecture gives short, predictable routing delays, so timing across the card's interface is deterministic without the closure iterations typical of SRAM FPGAs. The industrial temperature suffix supports outside-plant and unconditioned equipment cabinets. Use the 3.3 V rail for the FPGA core/I-O with 5 V-only pins reserved for legacy alarm inputs; add 0.1 uF and 10 uF decoupling at each supply ball. The antifuse configuration also survives unintentional power cycling common in telecom -48 V distribution environments.
推薦
ASIC Prototyping and Emulation
Before committing an ASIC tape-out, design teams map RTL control blocks into the SX08's 8K gates to verify protocol behavior in-system at realistic clock rates. The antifuse fabric's timing predictability makes early prototype timing representative of gate-level expectations, and its instant-on behavior means prototype boards run like final silicon without loader firmware. At 512 logic cells the device suits control-plane and interface-block emulation rather than datapath-heavy cores. Iterate in the Libero IDE flow, verify in simulation, then program prototype boards; for subsequent design spins, program fresh devices, since antifuses cannot be erased. Budget one device per prototype iteration - a cost the SX08's low unit price absorbs better than larger family members.
推薦
Aerospace and Defense Sub-Systems
The SX-A family's one-time-programmable antifuse configuration contains no SRAM configuration cells, eliminating configuration-readback attack surfaces and improving resilience in radiation-prone environments - reasons the Actel/Microsemi SX line has a long heritage in military and aerospace boards. The A54SX08-1FG144I's -40C to +85C industrial rating covers many avionic and ground-defense operating envelopes; flight programs typically specify higher-screening grades within the family. Typical roles include telemetry formatting, discrete-to-digital conversion, and safety-critical voting logic, where instant-on configuration (no bitstream load time) is a system requirement. Design with generous I/O margin from the 111 available pins and validate timing at the -1 speed grade across the full temperature range per the Microchip 54SX datasheet.
推薦
Battery-Powered and Low-Power Portable Equipment
Antifuse FPGAs draw no standby configuration power and, unlike SRAM FPGAs, require no external flash reads during operation, which trims both static power and BOM count in portable or battery-backed instruments. The A54SX08-1FG144I's 0.35 um CMOS process at 3.3 V keeps dynamic power proportional to the modest 8K-gate fabric, and the instant-on property supports equipment that must be functional within milliseconds of battery insertion, such as test probes, portable meters, and security sensors. Power-gate unused I/O banks in the design and avoid driving external capacitive loads at 240 MHz unnecessarily to hold consumption at milliwatt levels. Trade-off: for deeply duty-cycled systems, an MCU with sleep modes may beat the always-live FPGA fabric.
推薦
推薦產品摘要
工程參考資料，適用於 A54SX08-1FG144I — 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 | A54SX08-1FGG144I | A54SX08-2FG144I | A54SX08-FG144I | A54SX08-FGG144I |
|---|---|---|---|---|---|
| Package | 144-FBGA | 144-FBGA - same | 144-FBGA - same | 144-FBGA - same | 144-FBGA - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 8000 | 8000 | 8000 | 8000 | 8000 |
| User I/Os | 111 | 111 | 111 | 111 | 111 |
| Speed Grade | -1 (standard) | -1 (standard) | -2 (faster) | -1 (standard) | -1 (standard) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | 0C to +70C (commercial) | 0C to +70C (commercial) |
| Supply Voltage | 3.3 V, 5 V | 3.3 V, 5 V | 3.3 V, 5 V | 3.3 V, 5 V | 3.3 V, 5 V |
| Configuration Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
主要差異化特點
- Instant-on antifuse configuration with no external boot flash (對比A54SX08-2FG144I)
- Industrial -40C to +85C rating at the -1 speed grade price point (對比A54SX08-FG144I)
- Cost-optimized standard speed grade (對比A54SX08-2FGG144I)
- 5 V-tolerant I/O on 111 pins (對比modern SRAM FPGAs (e.g., MachXO2))
設計說明
The A54SX08-1FG144I requires both 3.3 V and 5 V supply domains. Estimate total dynamic power from the Microchip SX-A power calculator using your toggle rates; at 8K gates it is typically modest, but 5 V I/O banks driving heavy loads increase consumption substantially. Decouple every supply ball with 100 nF ceramic plus bulk 10 uF per rail, placed within 2 mm of the FBGA via short vias. Verify 5 V-tolerant pin assignments against datasheet banking rules before routing to avoid mixed-voltage violations that can forward-bias protection structures.
Antifuse FPGAs are one-time programmable: an uncorrected logic bug in a programmed device cannot be reworked. Establish a strict flow - full functional simulation, static timing analysis at the -1 speed grade across -40C to +85C corners, then programming of engineering samples before production trays. Reserve 10-20% routing and logic headroom because late ECOs must fit into the same device. Also confirm the package variant ordering code (FG vs FGG, I vs commercial) on purchase orders, since these suffixes change temperature rating and ball metallurgy.
The 144-ball FBGA (0.5 mm-class ball pitch for this package family) requires via-in-pad or dog-bone fanout on outer layers; keep escape traces short and symmetric for timing-critical buses. Follow the Microchip SX-A datasheet package drawing for land-pattern dimensions and solder-mask definitions. Because the device powers up instantly, provide a clean monotonic supply ramp with a supervisor reset if downstream logic depends on FPGA outputs being valid at power application. Include test points on JTAG/programming-accessible nets for production verification.
At up to 240 MHz internal system rates, control stub lengths on high-fanout clock nets and use the dedicated clock resources described in the Microchip 54SX family datasheet rather than general routing. Match trace lengths for parallel buses leaving the 111 I/O banks, and series-terminate 5 V-tolerant outputs that drive backplanes to control reflections. Run post-route timing in Libero at your actual speed grade and temperature corner; antifuse routing is fixed, so timing sign-off is final once programmed.
合規資訊
Compliance status not stated in the provided web data. The G-suffix (FGG) variants of the SX-A family are Microchip's Pb-free/green package builds; confirm RoHS status for this specific FG ordering code with Microchip or the distributor before procurement.
