As embedded systems continue to evolve, low power consumption, instant-on performance, and design security are becoming essential in mission-critical applications. The A3P400-FGG256, part of the Microchip ProASIC3 FPGA family, delivers all of these through a non-volatile, flash-based architecture designed for cost-sensitive and security-conscious applications.
Whether you’re designing for industrial control, aerospace systems, or secure embedded products, the A3P400 offers the logic density, performance, and integration capabilities required to meet strict performance and environmental demands.
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What is the A3P400-FGG256?
The A3P400-FGG256 is a mid-density flash-based FPGA with approximately 400,000 system gates, built for instant-on applications where power efficiency, IP security, and configurability are critical. Packaged in a 256-ball Fine-Pitch Grid Array (FGG256) and offering maximum 194 I/Os, this device is a practical solution for embedded applications requiring moderate logic resources and robust performance.
Because it is non-volatile, the A3P400 does not require external boot memory or configuration logic, simplifying design and improving system reliability.
A3P400-FGG256 Technical Specifications
| Feature | Specification |
|---|---|
| Family | ProASIC3 |
| System Gates | ~400,000 |
| Logic Elements (Tiles) | 10,752 |
| User I/Os | Up to 194 |
| Embedded RAM | 72 KB distributed SRAM |
| Phase-Locked Loops | 1 PLL |
| Global Clock Networks | 8 |
| Flash Configuration | On-chip, non-volatile |
| Security Features | FlashLock® encryption, password protection, anti-tamper |
| Operating Voltage | Core: 1.5V, I/O: 1.5V–3.3V |
| Package Type | 256-ball Fine-Pitch Grid Array (FGG256) |
| Temperature Range | -40°C to +100°C (Industrial Grade) |
| Configuration Time | Instant-on, no external memory required |
📄 A3P400 Datasheet – Microchip (external)
🛠️ Download Libero® SoC Design Suite (external)
Why Choose the A3P400-FGG256?
⚡ Instant-On Performance
Thanks to its flash-based architecture, the A3P400 boots immediately on power-up — no need to wait for external configuration memory. This is crucial for:
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Safety systems
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Industrial control loops
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Mission-critical aerospace functions
🔋 Ultra-Low Power Consumption
With low static and dynamic power, the A3P400 is optimized for:
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Battery-powered or energy-constrained systems
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Always-on embedded devices
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Power-sensitive automotive and industrial electronics
🔐 Secure by Design
Microchip integrates FlashLock® security, enabling:
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Hardware-based IP protection
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Tamper detection logic
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Password-based design access restrictions
Ideal for developers needing IP security, secure firmware storage, or compliance with industry security standards.
🧩 Rich I/O and Logic Integration
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Up to 194 I/Os, compatible with LVTTL, LVCMOS, SSTL, HSTL
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Clock management with 1 PLL and 8 global clock networks
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Ideal for connecting to microcontrollers, memory interfaces, sensors, and displays
💡 Looking for an FPGA with integrated security and fast configuration? Explore more flash-based FPGAs at DRex
Key Applications for A3P400-FGG256
The A3P400 is purpose-built for applications requiring mid-range logic density, low power, and secure, reprogrammable logic.
🏭 Industrial Control & Automation
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Programmable logic controllers (PLCs)
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Field I/O expansion modules
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Custom protocol interfaces (Modbus, CAN, RS485)
🛰️ Aerospace & Avionics
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Power-on reset logic
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Secure telemetry systems
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Flight data recorders and controllers
🚗 Automotive Systems
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Real-time sensor interfacing
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Control units for power electronics
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Secure in-vehicle communication protocols
🔒 Security & Defense Electronics
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Secure boot logic
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Cryptographic accelerators
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IP-protected custom logic modules
A3P400-FGG256 vs. Other ProASIC3 Devices
| Device | System Gates | Logic Tiles | RAM (KB) | I/Os | PLLs | Package |
|---|---|---|---|---|---|---|
| A3P250 | 250K | 6,144 | 36 KB | 143 | 1 | PQFP-208 |
| A3P400-FGG256 | 400K | 10,752 | 72 KB | 194 | 1 | FGG256 |
| A3P1000 | 1M | 24,576 | 144 KB | 198 | 2 | PQFP-208 / BGA |
🤔 Not sure which device suits your project? Ask DRex for FPGA selection support
Development Tools & Ecosystem
🧰 Libero® SoC Design Suite
Microchip’s FPGA design tool supports:
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VHDL, Verilog, and schematic design
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Full synthesis, simulation, and timing analysis
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Integrated secure programming workflows
🧪 Programming Hardware
Supports FlashPro4, FlashPro5, and FlashPro6 for JTAG-based secure programming.
📦 FPGA Development Kits
While dedicated A3P400 dev boards may be limited, many ProASIC3 family dev kits support the same logic structure and can be used for rapid prototyping.
⚙️ Need help sourcing programming tools or dev kits? Contact the DRex Electronics team
Why Source A3P400-FGG256 from DRex Electronics?
At DRex Electronics, we support global OEMs and design houses with:
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✅ ISO 9001-certified sourcing
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📦 Verified, authentic Microchip components
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🔁 Support for hard-to-find or legacy parts
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🌍 Fast global delivery and flexible MOQ
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🧠 Technical guidance for component cross-referencing and BOM reviews
Whether you’re scaling production or developing a prototype, DRex helps secure the supply chain with trusted, reliable FPGA components.
📩 Get a fast quote for A3P400-FGG256
🔍 Or explore our FPGA and programmable logic selection
Final Thoughts
The A3P400-FGG256 stands out as a secure, non-volatile, and power-efficient FPGA for embedded designs that demand reliable, mid-range logic density and instant-on performance. Whether you’re designing for industrial control, secure embedded systems, or real-time aerospace applications, the A3P400 provides the flexibility and protection your application needs.
With DRex Electronics as your trusted sourcing partner, you gain not just parts — but a full-service electronics supply chain advantage.
