Microchip Technology AT94S40AL-25DGI

AT94S40AL-25DGI - FPSLIC® Field Programmable System Level Integrated Circuit

The AT94S40AL-25DGI from Microchip Technology represents a breakthrough in embedded system design, combining the flexibility of an FPGA with the processing power of an 8-bit AVR microcontroller core in a single, powerful chip solution. This innovative FPSLIC® (Field Programmable System Level Integrated Circuit) device delivers 40,000 gates of programmable logic alongside a high-performance 16MHz AVR processor, making it the ideal choice for embedded systems requiring both custom hardware logic and microcontroller functionality in one compact package.

Key Features & Benefits

• Dual Architecture Design: Integrated 8-bit AVR microcontroller core with 40K gate FPGA fabric for maximum flexibility
• High-Performance Processing: 16MHz operating speed with 2,304 FPGA core cells for demanding applications
• Extensive Memory Resources: 20K-32K program SRAM, 4K-16K data SRAM, 18kb FPGA SRAM, and 1M x 8 EEPROM for complex designs
• Industry-Standard Interfaces: Built-in I2C and UART communication protocols for seamless system integration
• Industrial Temperature Range: Reliable operation from -40°C to 85°C for harsh environments
• Space-Efficient Package: Compact 256-CABGA (17x17mm) package ideal for space-constrained designs
• Flexible Power Supply: 3V to 3.6V operating voltage range
• 2,862 FPGA Registers: Extensive register resources for complex state machines and data processing

Target Applications

The AT94S40AL-25DGI excels in applications requiring both programmable logic and microcontroller capabilities:

• Industrial Control Systems: Motor control, process automation, and factory equipment
• Embedded Signal Processing: Real-time data acquisition and digital signal processing
• Custom Peripheral Interfaces: Specialized communication protocols and interface bridging
• Instrumentation & Measurement: Test equipment and precision measurement systems
• Automotive Electronics: Engine control units and vehicle subsystems
• Medical Devices: Portable diagnostic equipment and monitoring systems

Why Choose FPSLIC® Technology?

Traditional designs often require separate FPGA and microcontroller chips, increasing board space, power consumption, and design complexity. The AT94S40AL-25DGI's FPSLIC® architecture eliminates these challenges by integrating both functions into a single device, reducing BOM costs, simplifying PCB layout, and improving system reliability. The tight coupling between the AVR core and FPGA fabric enables unprecedented performance and flexibility for embedded applications.

Design Resources & Support

Microchip provides comprehensive development tools, including AVR Studio IDE, FPGA design software, reference designs, and extensive documentation to accelerate your time-to-market. The device is fully supported by industry-standard development tools and programming interfaces.

Quality & Reliability

Manufactured to the highest quality standards, the AT94S40AL-25DGI undergoes rigorous testing to ensure reliable operation in demanding industrial environments. The industrial temperature range (-40°C to 85°C) makes it suitable for automotive, industrial, and outdoor applications where temperature extremes are common.

Order Information

Available in tape and reel packaging for automated assembly. Contact us for volume pricing, lead times, and technical support. We stock genuine Microchip components with full traceability and warranty support.

• AT94S40AL-25DGI.pdf