A54SX08-TQG176I - 12K Gate FPGA, 128 I/O | Microsemi
料号： A54SX08-TQG176I ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $85 | $85.00 |
| 10 | $78.2 | $782.00 |
| 100 | $70.5 | $7,050.00 |
| 500 | $64 | $32,000.00 |
| 1,000 | $59.75 | $59,750.00 |
A54SX08-TQG176I 概述
An FPGA (Field Programmable Gate Array) is a semiconductor device containing a fabric of programmable logic cells and routing resources that the designer configures after manufacturing. Within the programmable logic hierarchy, the SX family is an antifuse-based FPGA: logic cells connect permanently at programming time, giving nonvolatile configuration, low standby power, and high immunity to configuration upsets compared with SRAM-based FPGAs, with no external configuration PROM required at power-up.
Key features include 12,000 system gates (8K gates / 512 cells per the Jotrin listing), 128 user I/Os, 240 MHz maximum toggle frequency, and dual 3.3V/5V supply operation. The industrial temperature grade (suffix I) supports extended operating ranges suited to harsh environments, and the antifuse fabric eliminates configuration-loader logic and boot time entirely.
The SX architecture uses a combination of logic modules (C-cells and S-cells) with dedicated fast carry chains and a segmented routing mesh. The 0.35 um CMOS process balances speed with the high density achievable in antifuse technology. The dual-voltage design allows the I/O structure to interface with both 5V-tolerant legacy systems and 3.3V logic, simplifying mixed-voltage board designs common in industrial and defense equipment.
Typical applications include industrial control and automation, telecom and datacom line-card glue logic, military/aerospace upgrades of legacy board designs, and test equipment where nonvolatile, instant-on programmable logic is required. The antifuse fabric is favored where SRAM configuration volatility and configuration time are unacceptable.
Design consideration: antifuse devices are one-time programmable - a design change requires a new physical part, so budget spare devices and verify the bitstream thoroughly on development silicon before committing to production. The 176-TQFP (24x24 mm) footprint also demands attention to lead coplanarity during reflow.
This page synthesizes verified distributor data, drop-in same-package alternatives, pricing tiers, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： A54SX08-TQG176I ——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-TQG176I （相同外形与封装尺寸） ——差异在于 System Gates, Operating Temperature, Package / Case, Series, Family.
快速对比工具——选择替代料号进行并排对比：
A54SX08-TQG176
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$33.5 / 个
查看数据手册 →A54SX16-TQG176I
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
联系询价
查看数据手册 →A54SX16-TQG176
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$203.14 / 个
查看数据手册 →A54SX16-1TQG176I
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
联系询价
查看数据手册 →A54SX32-TQG176I
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$86.75 / 个
查看数据手册 →A54SX32-TQG176
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$31.2 / 个
查看数据手册 →A54SX08-TQG176I 最大额定值与电气特性
| Series | SX (SX-A) |
| System Gates | 12000 |
| Logic Gates / Cells | 8K gates / 512 cells |
| User I/Os | 128 |
| Maximum Toggle Frequency | 240 MHz |
| Process Technology | 0.35 um CMOS |
| Programming Technology | Antifuse (one-time programmable) |
| Supply Voltage (Core/IO) | 3 V to 3.6 V |
| Supply Voltage (Alternate) | 4.75 V to 5.25 V |
| 封装 / 外壳 | 176-LQFP |
| Supplier Device Package | 176-TQFP (24x24) |
| 安装类型 | Surface Mount |
| Temperature Grade | Industrial (I suffix) |
| Product Type | FPGA - Field Programmable Gate Array |
| Manufacturer | Microsemi Corporation (Microchip Technology) |
A54SX08-TQG176I 176-tqfp (24x24) 引脚配置指南
A54SX08-TQG176I（176-tqfp (24x24) 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-TQG176I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX08-TQG176I 适用于 6 应用s: Industrial Control and Automation, Defense and Aerospace Legacy Board Upgrades, Telecom and Datacom Line Cards, Test and Measurement Equipment, Mixed-Voltage System Glue Logic, Embedded System Prototyping and Small Production.
Industrial Control and Automation
The A54SX08-TQG176I fits industrial control and factory automation boards that need deterministic, instant-on programmable logic. Its 12,000 system gates absorb glue logic, address decoding, PWM generation, and interlock sequencing that previously consumed dozens of discrete 74-series devices, while the 128 user I/Os interface PLC backplanes and sensor buses. The dual 3V-3.6V and 4.75V-5.25V supply range lets one chip bridge legacy 5V TTL field wiring and modern 3.3V controller logic without level shifters. Because the antifuse fabric is nonvolatile, the controller is active the instant power is applied - no configuration delay during machine restart. The industrial temperature grade (I suffix) supports harsh cabinet environments; at 240 MHz toggle capability, timing closure for typical sequencer designs at 25-50 MHz is comfortable with margin.
推荐
Defense and Aerospace Legacy Board Upgrades
Defense electronics sustainment programs favor the A54SX08-TQG176I because antifuse FPGAs are immune to configuration-memory upset and need no boot device - properties valued in high-reliability platforms. When original gate arrays or obsolete PAL/PLD clusters reach end of life, the SX08's 12,000 gates and 512 cells absorb the replacement logic on a 176-TQFP footprint that hand-assembly and depot rework can handle. The dual 3.3V/5V I/O operation matches the mixed-voltage rails of legacy mil boards, and the industrial temperature grade covers extended environments. Designers should budget one-time-programmability into obsolescence management: keep programmed spare devices and verified programming files under configuration control. Microchip's RTAX radiation-tolerant family provides a growth path if the platform later requires radiation assurance.
推荐
Telecom and Datacom Line Cards
Telecom line cards historically used the SX family as flexible glue logic between PHY devices, framers, and backplane connectors. The A54SX08-TQG176I serves this role with 128 user I/Os - enough for an 8-bit or 16-bit parallel data path plus control - and 240 MHz toggle capability that comfortably covers PDH/SONET-overhead-style state machines at standard backplane clocks. The antifuse fabric adds no configuration PROM cost per card and eliminates bitstream loading at card insertion, so slots come up live immediately. Dual-supply operation interfaces both 5V and 3.3V backplane signaling standards. For new designs, remember the one-time-programmable trade-off: any logic fix requires a new device, which is acceptable for mature, frozen line-card revisions but not for rapidly iterating prototypes.
推荐
Test and Measurement Equipment
Bench and rack instruments use the A54SX08-TQG176I for timing generators, counters, and interface adapters where deterministic power-up matters: the antifuse configuration means the measurement subsystem is functional the moment mains is applied, with no loader firmware to fail. Twelve thousand system gates implement trigger state machines, prescalers, and bus bridges (GPIB/serial-to-parallel), while the 240 MHz toggle rate supports high-resolution prescaling ahead of a discrete counter chain. The 128 user I/Os populate front-panel connectors and internal bus interfaces simultaneously. Industrial temperature grading suits portable field instruments. Designers should place the TQFP on a board revision with spare routing channels, since antifuse devices cannot be reprogrammed if a timing bug surfaces after calibration.
推荐
Mixed-Voltage System Glue Logic
Many retrofit projects must connect 5V microprocessor buses to 3.3V peripherals. The A54SX08-TQG176I addresses this directly with its verified dual supply range of 3V-3.6V and 4.75V-5.25V, allowing its I/O to speak both signaling standards from one device. Twelve thousand gates replace address decoders, wait-state generators, interrupt controllers, and byte-swap logic that would otherwise require several discrete families, and the 176-TQFP package fits the 0.5 mm pitch routing typical of retrofit PCB sections. Because the antifuse fabric is programmed once, the interfacing behavior is fixed and audit-friendly - valuable in safety assessments. Designers should confirm the temperature variant matches the enclosure environment and add standard decoupling on both supply rails, since the two domains draw independently.
推荐
Embedded System Prototyping and Small Production
For small embedded systems that ship firmware-frozen revisions, the A54SX08-TQG176I provides programmable fabric without BOM cost for configuration memory, simplifying the design of low-volume controllers. Twelve thousand gates host state machines, UART/SPI bridging, and custom peripherals around a host MCU, with 128 user I/Os covering sensors, actuators, and display interfaces. The 24x24 mm TQFP is hand-solderable for prototype builds and uses standard reflow profiles for production. Pricing near 85 USD at single quantity (XAIPART, as of 2026-09-03) falling to roughly 60 USD at 1000 pieces suits pilot runs. The one-time-programmable model is the key trade-off: keep spare programmed units, because a logic change means a fresh device rather than a firmware update.
推荐
推荐产品汇总
工程参考数据： A54SX08-TQG176I ——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-TQG176 | A54SX16-TQG176I | A54SX32-TQG176I |
|---|---|---|---|---|
| Package | 176-TQFP (24x24 mm) | 176-TQFP (24x24 mm) - same | 176-TQFP (24x24 mm) - same | 176-TQFP (24x24 mm) - same |
| Brand | Microsemi | Microsemi | Microsemi | Microsemi |
| System Gates | 12,000 | 12,000 | approx. 24,000 | approx. 48,000 |
| Supply Voltage | 3 V - 3.6 V, 4.75 V - 5.25 V | 3 V - 3.6 V, 4.75 V - 5.25 V | 3 V - 3.6 V, 4.75 V - 5.25 V | 3 V - 3.6 V, 4.75 V - 5.25 V |
| Temperature Grade | Industrial (I) | Commercial | Industrial (I) | Industrial (I) |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
关键差异点
- Nonvolatile instant-on operation without configuration memory （对比 SRAM-based FPGAs (e.g., Xilinx Spartan class))
- Industrial temperature grade with identical footprint （对比 A54SX08-TQG176)
- In-place density upgrade path （对比 A54SX32-TQG176I)
设计说明
Antifuse FPGAs are one-time programmable: once the A54SX08-TQG176I is programmed, its routing is permanent and cannot be erased or updated. Any post-production logic fix requires a physically new device. Maintain verified programming files and a stock of programmed spare units under configuration control, and thoroughly validate the design on the target speed grade before committing production boards. This is the single most consequential difference versus SRAM FPGAs.
The device specifies two independent supply domains: 3V-3.6V and 4.75V-5.25V. Decouple each rail locally with 0.1 uF ceramic capacitors per supply pin group plus bulk capacitance near the device; do not share the 3.3V decoupling network between domains. Verify that the 5V domain sequencing with respect to the 3.3V domain follows the SX family datasheet power-up requirements to avoid latch-up conditions on shared I/O structures.
The 176-TQFP (24x24 mm) has 0.5 mm lead pitch. Use a footprint matching the manufacturer's recommended land pattern, include fiducials for optical alignment, and inspect lead coplanarity before reflow to prevent solder bridging on adjacent pins. Distribute user I/O so that busses keep short, length-matched runs; reserve vias for test-point access on critical nets since antifuse designs cannot be probed internally after programming.
合规信息
Compliance status not stated in verified distributor data retrieved 2026-09-03; confirm plating option (SnPb vs lead-free) with manufacturer documentation before ordering.
