A54SX16P-1VQG100I - 16K Gate FPGA, 280MHz, VQFP-100 | Microsemi
MPN： A54SX16P-1VQG100I ✗ 停產A54SX16P-1VQG100I 概覽
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing configurable logic blocks (CLBs) and programmable interconnects that the designer wires together after manufacturing. Within the programmable logic hierarchy - FPGA -> programmable logic device -> digital IC -> semiconductor - the Actel SX family is distinctive for its sea-of-modules architecture built on a one-time-programmable antifuse fabric, which means the configuration is retained permanently at power-up with no external configuration PROM required.
Key features include the 0.35 um CMOS antifuse process technology, a maximum toggle rate of 280 MHz suited to performance-intensive designs, and dual 3.3V/5V I/O voltage support that simplifies integration into legacy 5V industrial systems. The -1 speed grade defines the timing derating for this ordering code, while the P suffix in the SX16P variant denotes the enhanced process option of the SX family.
Architecturally, the sea-of-modules structure eliminates the segmented routing delays typical of SRAM FPGA architectures, yielding deterministic, short interconnect delays that make timing closure predictable. With 1,452 modules of logic capacity, designers can integrate glue logic, state machines, bus interfaces, and high-speed control functions that would otherwise require multiple discrete devices, reducing board area, BOM cost, and power consumption.
Typical applications include industrial automation and motor control interfaces, aerospace and defense subsystem logic, communications bridge logic, and obsolescence-management redesigns where a one-time-programmable, instant-on FPGA is preferred over SRAM-based devices. The 5V-tolerant I/O capability makes it particularly attractive for retrofit into existing 5V backplane systems.
A key design consideration: antifuse FPGAs are one-time programmable, so functional changes require a new device - verify your design thoroughly in simulation and, where possible, using the same family in a larger package before committing to production programming.
This page synthesizes verified distributor pricing, drop-in family alternatives, engineering design notes, and lifecycle context not consolidated in the manufacturer datasheet.
直接替換替代品，適用於 A54SX16P-1VQG100I — 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： A54SX16P-1VQG100I （相同外形與佔位） — 差異在於 Package, Family, Speed Grade, Operating Temperature, System Gates.
A54SX16P-2VQG100I
✅ 直接替換聯絡詢價
查看資料表 →A54SX16P-2VQG100
✅ 直接替換聯絡詢價
查看資料表 →A54SX16P-VQG100I
✅ 直接替換聯絡詢價
查看資料表 →A54SX16P-VQG100
✅ 直接替換聯絡詢價
查看資料表 →A54SX16P-1VQG100
✅ 直接替換聯絡詢價
查看資料表 →A54SX16P-1VQG100I 最大額定值與電氣特性
| Family | Actel SX (A54SX16P) |
| System Gates | 16,000 |
| Logic Cells | 924 |
| Logic Modules (CLBs) | 1452 |
| 最大時脈頻率 | 280 MHz |
| Process Technology | 0.35 um CMOS (antifuse) |
| I/O Voltage | 3.3 V / 5 V |
| User I/O | 81 |
| Speed Grade | -1 |
| 封裝 | 100-Pin VQFP (TQFP-100), 0.50 mm pitch |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40C to +85C (industrial) |
| Programming Type | One-Time Programmable (antifuse) |
| Configuration Retention | Non-volatile, instant-on at power-up |
A54SX16P-1VQG100I 100-pin vqfp (tqfp-100), 0.50 mm pitch 腳位配置指南
A54SX16P-1VQG100I（100-pin vqfp (tqfp-100), 0.50 mm pitch 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： A54SX16P-1VQG100I.
請參閱 資料表 以查看完整腳位配置。
典型應用
A54SX16P-1VQG100I 適用於 6 應用s: Industrial Automation and Motor Control Interfaces, Aerospace and Defense Subsystem Logic, Legacy 5V System Retrofits and Obsolescence Management, Communications and Interface Bridge Logic, Test and Measurement Instrument Logic, Secure Fixed-Function Control in IoT Infrastructure.
Industrial Automation and Motor Control Interfaces
The A54SX16P-1VQG100I fits industrial control boards that need deterministic, glue-free interface logic between processors, encoders, and power stages. Its 280 MHz maximum toggle rate comfortably covers PWM generation, quadrature decoding, and fieldbus handshake logic, while the -40C to +85C industrial rating matches factory-floor ambient requirements. The 5V-tolerant, 3.3V/5V I/O structure connects directly to legacy 24V-conditioned TTL signal chains without level shifters, reducing BOM count. Because the antifuse fabric is non-volatile and instant-on, control logic is active the moment power is applied - valuable in safety-adjacent interlock circuits where SRAM FPGA boot latency is unacceptable. Place-and-route timing is deterministic given the sea-of-modules architecture, easing sign-off of fixed-logic control designs.
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Aerospace and Defense Subsystem Logic
Antifuse FPGAs are a classic choice in defense electronics because the one-time-programmable fabric inherently resists configuration upsets, unlike SRAM cells that must be scrubbed or triple-mode-redundancy protected. The A54SX16P-1VQG100I's 16,000 gates suit telemetry formatting, bus bridge, and sensor-interface logic in payloads and ground equipment. The industrial -40C to +85C grade covers many bench-based and environmentally controlled defense applications; for full flight temperature requirements, consult Microchip's broader space portfolio such as the RTAX family. Instant-on configuration eliminates the need for configuration PROMs and their associated single-point failure modes. Designers should fix the netlist early since antifuse devices cannot be reprogrammed, making this part ideal for frozen, well-verified logic functions.
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Legacy 5V System Retrofits and Obsolescence Management
Many industrial and transportation platforms still run 5V TTL backplanes whose original PLDs and ASICs are obsolete. The A54SX16P-1VQG100I's dual 3.3V/5V I/O capability allows direct replacement of dissolved 5V glue logic: address decoders, bus transceivers control, interrupt controllers, and handshaking state machines. With 16,000 gates and 81 I/O, an entire multi-chip TTL cluster can be consolidated into one VQFP-100 package, shrinking board area and power while improving reliability. The one-time-programmable fabric preserves firmware-like IP without external configuration memory - no boot PROM obsolescence risk. For redesign programs, the same die in the 176-pin TQFP (A54SX16P-1TQG176I) provides a forward migration path if I/O needs grow.
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Communications and Interface Bridge Logic
The A54SX16P-1VQG100I serves as protocol bridge silicon between mismatched interfaces - for example, mapping a parallel microprocessor bus to serial framing logic, or gluing UART, SPI-style, and parallel DMA paths at line rates well within its 280 MHz toggle capability. The sea-of-modules routing yields short, predictable interconnect delays, so fixed-latency bridging is achievable without the timing variance typical of SRAM FPGA segmented routing. 3.3V/5V I/O flexibility lets one device terminate both legacy 5V line cards and modern 3.3V controllers. Because configuration is permanent, deployed bridge logic cannot be corrupted in the field, an advantage for unattended telecom cabinets. Budget timing for the -1 speed grade when framing clocks approach the upper tens of megahertz.
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Test and Measurement Instrument Logic
Bench and rack instruments use the A54SX16P-1VQG100I for timing generators, event counters, trigger logic, and data-path formatting between ADC front ends and processors. The 280 MHz maximum toggle rate and deterministic antifuse routing support precise, repeatable timing epochs needed in measurement instrumentation. Instant-on configuration means the instrument is measurement-ready immediately at power-up, with no configuration load time added to startup sequences - a user-visible benefit. The industrial temperature rating supports instruments used in unconditioned environments. Designers commonly pair the SX16P with precision ADCs, using the FPGA to generate conversion clocks, decimate streams, and implement handshakes; the fixed netlist also simplifies calibration validation across production units since logic delays do not change between devices.
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Secure Fixed-Function Control in IoT Infrastructure
In IoT gateways and infrastructure nodes, the A54SX16P-1VQG100I implements tamper-resistant, fixed-function control planes: power sequencing supervision, sensor aggregation, watchdog and fail-safe interlocks. Because the antifuse configuration cannot be read back or modified in the field, the attack surface for logic tampering is fundamentally smaller than reconfigurable FPGA fabrics, supporting security-by-immobilization strategies. 81 user I/O and 3.3V/5V tolerance integrate mixed-voltage sensor clusters, while the 16,000-gate capacity handles aggregation state machines and protocol formatting. Instant-on operation allows the FPGA to supervise the main processor from the first millisecond, closing the boot-window vulnerability common to SRAM FPGA designs. For evolving designs needing updatability, pair the SX16P fixed logic with an MCU-based update path.
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推薦產品摘要
工程參考資料，適用於 A54SX16P-1VQG100I — 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 | A54SX16P-2VQG100I | A54SX16P-2VQG100 | A54SX16P-VQG100I | A54SX16P-VQG100 | A54SX16P-1VQG100 |
|---|---|---|---|---|---|---|
| Package | VQFP-100 | VQFP-100 - same | VQFP-100 - same | VQFP-100 - same | VQFP-100 - same | VQFP-100 - same |
| Brand | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) | Microsemi (Microchip Technology) |
| System Gates | 16,000 | 16,000 | 16,000 | 16,000 | 16,000 | 16,000 |
| Speed Grade | -1 | -2 (faster) | -2 (faster) | Standard (slower than -1) | Standard (slower than -1) | -1 (same) |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C (Industrial) | Commercial | -40C to +85C (Industrial) | Commercial | Commercial |
| User I/O | 81 | 81 | 81 | 81 | 81 | 81 |
| I/O 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 | 3.3 V / 5 V |
主要差異化特點
- One-time-programmable antifuse fabric with instant-on boot (對比SRAM FPGAs (Xilinx/Intel/Lattice))
- 5V-tolerant dual 3.3V/5V I/O (對比Modern Microchip PolarFire/PolarFire SoC families)
- Deterministic sea-of-modules routing timing (對比Segmented-routing SRAM FPGA architectures)
- Trade-off: fixed logic, no field updates (對比A54SX16P-2VQG100I)
設計說明
The A54SX16P-1VQG100I is one-time programmable: a design change requires a physically new device. Complete gate-level simulation and static timing analysis against -1 speed grade models in the Libero flow before programming production units. A recommended practice is to prototype on a larger SX-family package or device, freeze the netlist, then commit the VQG100 OTP parts. Never treat an antifuse FPGA like an SRAM part that can be re-flashed in the field.
Provide clean 3.3V (and 5V where used for I/O) supplies with local 0.1 uF ceramic decoupling at each VCC pin pair plus bulk capacitance near the package. Because antifuse routing is fixed, static and dynamic ICC depend on final utilization - estimate power with the Actel/Microchip power calculator after place-and-route, not from generic family averages. Inputs on unused 5V-domain nets must respect the 5V-tolerant I/O limits given in the 54SX datasheet absolute maximum tables.
The VQFP-100 has a 0.50 mm lead pitch: use a footprint per the 54SX datasheet package drawing with solder-mask-defined pads to aid self-alignment during reflow. Keep high-speed clock routing short and reference a solid ground plane; the sea-of-modules architecture gives deterministic internal delays, but board-level trace delay still dominates external timing margins at high toggle rates. Inspect leads with AOI for bridging given the fine pitch, and follow JEDEC-level MSL handling from the shipping label.
At toggle rates approaching the 280 MHz device capability, treat output edges as transmission-line drivers: series-terminate lines longer than roughly one-fifth of the signal rise time's electrical length, and avoid simultaneously switching all 81 I/O in the same direction without spreading. The 5V-tolerant I/O structure helps legacy interfaces but increases edge rates into old boards - verify overshoot against receiver absolute maximum ratings during system integration.
合規資訊
Compliance for this mature SX-family ordering code is date-code dependent and not stated in the verified data. Consult Microchip's product page environmental documents for the specific manufacturing lot.
