AT94S40AL-25DGJ

Overview

The AT94S40AL-25DGJ is a Field Programmable Logic Integrated Circuit (FPSLIC) manufactured by Microchip Technology. It integrates an 8-bit AVR microcontroller with up to 40K FPGA gates, providing combined programmability and processing capabilities. The device operates within a voltage range of 3V to 3.6V and supports a maximum clock frequency of 25MHz. It is housed in a 256-CABGA package measuring 17x17mm. The component functions reliably across an industrial temperature range from -40°C to +85°C.

Feature Summary

• Integrates an 8-bit AVR microcontroller core with field-programmable logic gates for combined processing and I/O expansion.
• Features secure architecture with hardware protection mechanisms for the embedded memory and configuration data.
• Supports high-density programmable interconnects suitable for complex digital logic implementation.

Applications

• Industrial control systems requiring integrated logic and processing
• Secure smart card applications and access control devices
• Embedded sensor interfaces with custom logic requirements

Procurement Notes

Verify the specific suffix 'DGJ' corresponds to the 256-CABGA package and 25MHz speed grade when sourcing. Confirm that the procurement channel provides original manufacturer documentation to ensure authenticity. Check for RoHS compliance status as indicated in the official datasheet specifications before finalizing supply chain agreements.

Selection Notes

Select this component when a single solution is needed for both general-purpose processing and custom hardware acceleration. It is appropriate for designs where board space is limited and integration of MCU and FPGA functions reduces bill-of-materials complexity compared to discrete components.

Part Context

This part belongs to the AT94S40AL series of FPSLICs, which combine Atmel's AVR RISC microcontroller technology with Xilinx-compatible FPGA fabric. The series is designed to offer a cost-effective alternative to separate MCU and FPGA chips, particularly in applications requiring moderate logic density and secure code execution.

Replacement Considerations

Direct substitutes include other members of the AT94S40AL family such as the AT94S40AL-25DGC or AT94S40AL-25DQU, provided the package type matches the PCB footprint. Cross-family replacements require careful verification of pin compatibility and logic capacity.