A54SX16-TQG176I - SX FPGA 24K Gates 176-TQFP | Microchip
料号： A54SX16-TQG176I ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
A54SX16-TQG176I 概述
An FPGA (Field-Programmable Gate Array) is a semiconductor device that implements digital logic through programmable interconnect and configurable logic blocks, sitting within the broader hierarchy of programmable logic devices (PLDs), below CPLDs in routing complexity but far above them in gate capacity. The SX family uses a sea-of-modules architecture with a proven antifuse programming technology: once programmed, the interconnect is permanent, providing design security, low power, and immediate power-up operation without configuration storage devices.
Key features of the A54SX16-TQG176I include its 240 MHz system performance, 0.35 um antifuse CMOS process, 5V-tolerant I/O operation on the 5V rail, and industrial-grade temperature rating denoted by the I suffix. The 176-TQFP surface-mount package offers a 0.5 mm lead pitch suitable for standard SMT assembly, and RoHS3 compliance supports lead-free manufacturing. Lead time is approximately 10 weeks per Microchip USA distribution data.
Typical applications include industrial control, communication interface glue logic, military and aerospace subsystems, and design-security-sensitive control logic where nonvolatile antifuse configuration eliminates bitstream theft concerns common to SRAM FPGAs.
Design consideration: antifuse devices are one-time programmable, so logic must be fully verified in simulation before programming, and spare devices should be budgeted for design iterations.
This page synthesizes distributor inventory data, same-family drop-in alternatives, and practical design notes not found on the manufacturer product page.
直接替换替代料： A54SX16-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： A54SX16-TQG176I （相同外形与封装尺寸） ——差异在于 System Gates, Operating Temperature, RoHS Status, Series, Logic Cells.
快速对比工具——选择替代料号进行并排对比：
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 →A54SX16-2TQG176I
✅ 直接替换✓ 有现货
$20.8 / 个
查看数据手册 →A54SX16-2TQG176
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$339.14 / 个
查看数据手册 →A54SX16P-TQG176I
✅ 直接替换✓ 有现货
$26.4 / 个
查看数据手册 →A54SX16P-1TQG176I
✅ 直接替换✓ 有现货
$30.4 / 个
查看数据手册 →A54SX16P-2TQG176I
✅ 直接替换✓ 有现货
$42 / 个
查看数据手册 →A54SX16P-1TQG176
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$28.6 / 个
查看数据手册 →A54SX16-TQG176I 最大额定值与电气特性
| Series | SX |
| System Gates | 24000 |
| Logic Cells / Modules | 924 |
| Number of I/O | 147 |
| Maximum System Frequency | 240 MHz |
| Process Technology | 0.35 um antifuse CMOS |
| Supply Voltage (Core) | 3 V to 3.6 V |
| Supply Voltage (I/O) | 4.75 V to 5.25 V |
| 工作温度 | -40C to +85C (TA) |
| 封装 / 外壳 | 176-TQFP (24x24 mm) |
| 安装类型 | Surface Mount |
| Programmability | One-time programmable (antifuse) |
| Packaging | Tray |
| RoHS 状态 | ROHS3 Compliant |
| Lead Time | 10 weeks |
| Product Status | Active |
A54SX16-TQG176I 176-tqfp (24x24 mm) 引脚配置指南
A54SX16-TQG176I（176-tqfp (24x24 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： A54SX16-TQG176I.
请参阅 数据手册 以查看完整引脚配置。
典型应用
A54SX16-TQG176I 适用于 6 应用s: Industrial Control and Automation, Design-Secure Control Logic, Communication Interface Glue Logic, Aerospace and Defense Subsystems, Legacy System Obsolescence Redesign, Test and Measurement Instrumentation.
Industrial Control and Automation
The A54SX16-TQG176I fits industrial control logic because its 4.75-5.25V I/O supply drives legacy 5V TTL/CMOS sensors, PLC backplanes, and relay driver interfaces directly, eliminating level-shifting circuitry that SRAM FPGAs running at 1.2-3.3V would require. The 24K-gate capacity and 924 cells accommodate state machines, encoders, and glue logic at up to 240 MHz, far exceeding CPLD capability. The antifuse configuration powers up instantly with no configuration device, critical for equipment that must be operational immediately after power loss recovery. The -40C to +85C industrial rating and RoHS3-compliant 176-TQFP package support standard SMT production on industrial PCBs. Trade-off: one-time programming requires finalized logic before production, so reserve the 147 I/O with margin for late-stage changes.
推荐
Design-Secure Control Logic
For proprietary control logic where bitstream theft is a concern, the A54SX16-TQG176I offers a structural advantage over SRAM FPGAs: the antifuse interconnect is programmed permanently at the factory or in-circuit and stores no configuration bitstream that can be read from an external flash device. SRAM FPGAs expose their design in the configuration memory, requiring encryption management, whereas the antifuse part's 24K-gate design is physically embedded in silicon. The 147 user I/O and 240 MHz performance support interface logic, authentication engines, and security state machines. The 176-TQFP package simplifies layout versus ceramic column BGA alternatives used in military programs. Designers should note that design security is strongest because reverse engineering antifuse nets requires destructive delayering, raising the cost of IP extraction substantially.
推荐
Communication Interface Glue Logic
The A54SX16-TQG176I bridges legacy communication interfaces: 5V-tolerant I/O banks connect directly to backplane transceivers, line cards, and microprocessor buses from the 5V era, while the 3.3V core keeps dynamic power reasonable. With 24,000 gates and 924 cells at up to 240 MHz system performance, it integrates address decoders, bus arbiters, UART/SPI glue functions, and protocol converters that previously required multiple CPLDs, reducing board area and BOM cost. Instant-on antifuse configuration means interfaces are active before host processors complete boot, simplifying reset sequencing. The industrial -40C to +85C range covers uncooled telecom equipment rooms. When timing closure matters, select the -2 speed grade drop-in (A54SX16-2TQG176I) since it uses the identical 176-TQFP footprint.
推荐
Aerospace and Defense Subsystems
Microsemi (now Microchip) antifuse FPGAs have a long heritage in defense programs, and the A54SX16-TQG176I continues that role for non-rad-hard avionics, ground systems, and test equipment. The antifuse technology exhibits high immunity to configuration upsets compared with SRAM cells because programmed links are permanent conductive paths, and there is no external configuration memory to corrupt. The 24K-gate device implements telemetry formatters, camera timing generators, and interface controllers within a hermeticity-friendly 176-TQFP package. Operation from -40C to +85C covers most sheltered defense environments, and the dual 3.3V/5V rails integrate with legacy military 5V logic families such as ACT/HCT. For radiation-critical orbits, migrate within Microchip's RTAX-S family, which shares design methodology and Libero toolchain knowledge.
推荐
Legacy System Obsolescence Redesign
The A54SX16-TQG176I is a strong vehicle for consolidating obsolete PAL/GAL/22V10 and discrete 5V TTL glue logic into a single modern-supported device. Its 5.0V I/O rail (4.75-5.25V) preserves direct compatibility with the original 74-series environment that CPLDs like the EPM7000 family can no longer easily match in new supply, while 24K gates provide 5-10x the capacity of classic SPLDs. The active lifecycle status and 10-week lead time provide continuity for service parts manufactured in small lots, and tray packaging suits low-volume kitting. Because antifuse programming is permanent, each service-board revision needs freshly programmed devices, so maintain programmed spares. The RoHS3 compliance of this MPN also satisfies EU repair-market requirements for legacy equipment sold into Europe.
推荐
Test and Measurement Instrumentation
Bench and automated test instruments benefit from the A54SX16-TQG176I's instant-on behavior: timing generators, trigger logic, and scanner control become functional the moment power is applied, without configuration latency, which shortens instrument startup to levels customers expect from hardware-only designs. The 240 MHz capability supports counter/timer and pulse-generator functions with sub-10 ns resolution at the I/O pins, and 147 user I/O accommodates high-channel-count switching matrices through the 176-TQFP's generous pin ring. The 5V I/O domain interfaces directly with relay drivers and legacy instrument buses. The industrial temperature range permits uncooled rack use, and the tray-packaged, RoHS3-compliant SMT package supports standard contract-manufacturing assembly for instrument production volumes.
推荐
推荐产品汇总
工程参考数据： A54SX16-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 | A54SX16-TQG176 | A54SX16-2TQG176I | A54SX16P-TQG176I |
|---|---|---|---|---|
| Package | 176-TQFP (24x24 mm) | 176-TQFP - same | 176-TQFP - same | 176-TQFP - same |
| Brand | Microchip Technology (Microsemi) | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 24000 | 24000 | 24000 | 24000 |
| User I/O | 147 | 147 | 147 | 147 |
| Temperature Range | -40C to +85C | 0C to +70C (commercial) | -40C to +85C | -40C to +85C |
| Speed Class | Standard (240 MHz class) | Standard | -2 (up to 320 MHz class) | Standard (P-die) |
| Supply Voltage | 3.0-3.6V core, 4.75-5.25V I/O | 3.3V / 5V | 3.3V / 5V | 3.3V / 5V |
| RoHS Status | ROHS3 Compliant | Compliant | Compliant | Compliant (Pb-free die) |
关键差异点
- Faster -2 speed grade available in the same footprint （对比 A54SX16-2TQG176I)
- Industrial temperature rating （对比 A54SX16-TQG176)
- Lead-free P-die revision for RoHS programs （对比 A54SX16P-TQG176I)
设计说明
The A54SX16-TQG176I requires two supply domains: 3.0-3.6V for the core and 4.75-5.25V for I/O. Decouple each rail with at least 10 uF bulk plus 0.1 uF ceramic capacitors placed at the package corners, following the SX family datasheet power-supply guidance. Observe the recommended power-up sequence/ramp requirements from the manufacturer datasheet, since 5V applied to I/O before core bias is conditioned by device-specific constraints. Estimated: at 240 MHz toggling a typical design, core dynamic current is design-dependent - run Libero static power analysis before sizing the 3.3V regulator.
The 176-TQFP has a 0.5 mm lead pitch; use a standard TQFP-176 land pattern per IPC-7351 with solder-mask-defined pads to improve self-alignment during reflow. Fan out I/O with 0.2 mm traces escaping diagonally to four breakout rows. Thermal dissipation of this 0.35 um antifuse device is low for typical designs, so the die pad and ground planes normally suffice without heatsinking; verify with an estimate: theta-JA for TQFP-176 is typically near 30-40 C/W, so even 0.5 W yields under 20C rise. Confirm the exact theta-JA from the manufacturer datasheet.
Antifuse FPGAs are one-time programmable: a design change after programming requires a new physical device. Budget 10-20% spare devices for engineering iterations, and fully verify timing and function in Libero simulation before programming. Do not mix speed grades in one production run without re-running timing analysis, because the standard grade guarantees lower timing margins than the -2 grade. Unused I/O should be configured per the datasheet recommendation (typically ground-referenced or tristate) to avoid floating-input noise and excessive current draw.
合规信息
ROHS3 Compliant and LEAD FREE confirmed per Microchip USA product page. REACH, halogen-free, and conflict-minerals status not stated in retrieved data.
