LC4256C-3F256BC

Complex Programmable Logic Devices Overview

The LC4256C-3F256BC is a Complex Programmable Logic Device (CPLD) from the Lattice CPLD family, manufactured by Lattice Semiconductor Corporation. It features a high-density architecture with 256 macrocells and supports up to 190 I/O pins. The device operates at a maximum frequency of 322 MHz with a typical propagation delay of 3 ns. It utilizes a 3.3V supply voltage and is housed in a 256-pin FineLine BGA package. This component is designed for applications requiring high performance and low power consumption in programmable logic solutions.

Complex Programmable Logic Devices Feature Summary

• High-density architecture with 256 macrocells
• Supports up to 190 I/O pins for extensive connectivity
• Maximum operating frequency of 322 MHz
• Typical propagation delay of 3 ns
• Operates on a single 3.3V power supply

Complex Programmable Logic Devices Applications

• High-speed digital signal processing interfaces
• Complex glue logic in system-on-module designs
• Address decoding and bus bridging in embedded systems
• Prototyping complex digital circuits

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'F256BC' against the manufacturer's official datasheet to confirm package type and temperature range. Ensure compatibility with existing PCB footprints for the 256-pin FineLine BGA. Check for end-of-life status or alternative recommendations from Lattice Semiconductor before finalizing procurement plans.

Complex Programmable Logic Devices Selection Notes

Select this model when a high number of I/Os (up to 190) and moderate density (256 macrocells) are required. The 3 ns delay and 322 MHz speed suit high-performance timing constraints. Compare with other CPLD families if lower pin counts or different voltage levels are acceptable. Confirm that the FineLine BGA package is suitable for the assembly process.

Complex Programmable Logic Devices Part Context

This part belongs to the Lattice CPLD family, known for non-volatile configuration and ease of use. It serves as a bridge between simple PLDs and complex FPGAs, offering a balance of density, speed, and cost-effectiveness for mid-range logic applications. The LC4256C variant specifically targets higher performance needs within the standard CPLD portfolio.

Complex Programmable Logic Devices Replacement Considerations

Consult Lattice Semiconductor's official cross-reference tools for direct replacements. Consider newer generations like the MachXO or CrossLink series for enhanced features, though pin-to-pin compatibility may vary. Verify electrical and functional equivalence before substituting.