AFS250-FG256

Overview

The U1AFS250-FG256I is a Fusion FPGA from Microchip Technology, featuring 250K system gates and an ARM Cortex-M1 processor. It utilizes a 256-pin FBGA package with 114 I/Os. The device operates at supply voltages between 1.425V and 1.575V within a commercial temperature range of 0°C to 85°C. It contains 36,864 bits of embedded RAM and supports surface-mount installation. This component belongs to the Fusion series, designed for advanced mezzanine card applications requiring high logic density and integrated processing capabilities.

Feature Summary

• Integrates an ARM Cortex-M1 processor with programmable logic fabric
• Supports MicroBlade Advanced Mezzanine Card form factors
• Provides non-volatile configuration storage via Flash technology

Applications

• Advanced Mezzanine Card (AMC) implementations
• MicroBlade carrier board designs
• Industrial control systems requiring mixed-signal processing

Procurement Notes

Verify the specific suffix 'I' indicates the industrial or commercial temperature grade as defined in the official datasheet. Confirm RoHS compliance status directly with the manufacturer, as some sources indicate non-compliance. Ensure export documentation requirements are met prior to ordering, as US export restrictions may apply to this component.

Selection Notes

Select this part when a Fusion FPGA with approximately 250K gates and an integrated M1 core is required. Compare against the M1AFS250-2FG256 for extended temperature options. Verify pin compatibility if substituting within the AFS250 family. Check package dimensions against PCB footprint constraints for the 256-LBGA configuration.

Part Context

This component belongs to the Microchip Fusion FPGA family, which combines SRAM-based programmability with Flash non-volatility. The AFS250 variant specifically targets mid-range logic density applications. It sits below higher-density models like the M1AFS1500 in terms of gate count but offers significant integration through its embedded processor core compared to standard logic-only FPGAs.

Replacement Considerations

The M1AFS250-2FG256 serves as a functional equivalent within the same family, potentially offering different temperature ratings. Verify pin-to-pin compatibility before substitution. No direct cross-manufacturer replacements are documented in public sources.