A54SX08-2PLG84I - SX FPGA 12K Gates 84-PLCC | Microsemi
料号： A54SX08-2PLG84I ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.65 | $256.50 |
| 100 | $22.8 | $2,280.00 |
| 500 | $19.95 | $9,975.00 |
| 1,000 | $17.1 | $17,100.00 |
A54SX08-2PLG84I 概述
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.
直接替换替代料： A54SX08-2PLG84I ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： A54SX08-2PLG84I （相同外形与封装尺寸） ——差异在于 Process Technology, Logic Cells, Package / Case, Supplier Device Package, Family.
快速对比工具——选择替代料号进行并排对比：
A54SX08-PLG84I
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →A54SX08-1PLG84I
✅ 直接替换📋 参考替代料（不在目录中）
A54SX08-2PLG84
✅ 直接替换✓ 有现货
$20.4 / 个
查看数据手册 →A54SX08-2PLG84I 最大额定值与电气特性
| 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) |
| 工作温度 | -40C to +85C (industrial, I suffix) |
| 封装 / 外壳 | 84-LCC (J-Lead), PLCC-84 |
| Supplier Device Package | 84-PLCC (29.31 x 29.31 mm) |
| 安装类型 | Surface Mount |
| Packaging | Tray |
A54SX08-2PLG84I 84-plcc (29.31 x 29.31 mm) 引脚配置指南
A54SX08-2PLG84I（84-plcc (29.31 x 29.31 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： A54SX08-2PLG84I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX08-2PLG84I 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： A54SX08-2PLG84I ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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) |
关键差异点
- Industrial temperature range in PLCC-84 （对比 A54SX08-PLG84I)
- Faster timing grade on identical die （对比 A54SX08-1PLG84I)
- No external configuration device needed （对比 A54SX08-2VQG100I (and any SRAM FPGA))
设计说明
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.
合规信息
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.
