LC4256C-5FTN256AI

Complex Programmable Logic Devices Overview

The LC4256C-5FTN256AI is a complex programmable logic device (CPLD) from Lattice Semiconductor's MachXO2 family. It features 256 macrocells and operates at a maximum frequency of 250 MHz with a propagation delay of 5 ns. The device utilizes non-volatile CMOS (NVCM) technology, allowing for instant-on functionality without external configuration memory. It supports multiple voltage standards including 3.3 V, 2.5 V, and 1.8 V I/O banks. The component is housed in a 256-pin FineLine BGA package with a 0.8 mm pitch, designed for high-density applications requiring robust control logic and interface bridging capabilities.

Complex Programmable Logic Devices Feature Summary

• 256 Macrocells with 250 MHz maximum operating frequency
• Non-volatile CMOS (NVCM) technology for instant-on operation
• Supports 3.3 V, 2.5 V, and 1.8 V I/O standards
• 256-pin FineLine BGA package (0.8 mm pitch)

Complex Programmable Logic Devices Applications

• System control and monitoring
• Interface bridging between different voltage domains
• Address/data bus multiplexing

Complex Programmable Logic Devices Part Context

This component belongs to the MachXO2 series, which represents an evolution from the classic CPLD architecture by integrating non-volatile flash technology. Unlike volatile SRAM-based FPGAs, MachXO2 devices retain their configuration data when power is removed, simplifying system design by eliminating the need for separate configuration PROMs or serial flash memories typically required for other programmable logic families.