LC4256V-5FT256AI

Complex Programmable Logic Devices Overview

The LC4256V-5FT256AI is a complex programmable logic device from the Lattice ispMACH 4000ZE family. It features 256 macrocells and supports up to 192 I/O pins. The device operates at supply voltages of 1.8 V or 3.3 V, with a maximum operating frequency of 400 MHz and a typical propagation delay of 4.5 ns. It is designed for industrial temperature ranges, functioning between 0°C and +105°C.

Complex Programmable Logic Devices Feature Summary

• Non-volatile Flash-based architecture enabling instant-on configuration without external memory
• In-system programmability via JTAG interface for flexible field updates
• Supports both 1.8 V and 3.3 V I/O standards for mixed-voltage system integration

Complex Programmable Logic Devices Applications

• Industrial automation control systems
• Consumer electronics interface bridging
• Telecommunications signal processing
• General-purpose logic replacement in embedded designs

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix codes against official Lattice documentation to confirm voltage options and package variations. Ensure design compatibility with the ispMACH 4000ZE family toolchain. Confirm that the FT256 package type matches the PCB footprint requirements. Check for any end-of-life notices or recommended alternative parts in current distributor catalogs.

Complex Programmable Logic Devices Selection Notes

Select this component when non-volatile configuration is required to eliminate external PROMs. The 256 macrocell count suits moderate complexity logic functions. Consider the 400 MHz performance limit for timing-critical paths. Evaluate power consumption differences between 1.8 V and 3.3 V operation modes based on system thermal constraints.

Complex Programmable Logic Devices Part Context

This part belongs to the Lattice ispMACH 4000ZE series, which combines high-performance CPLD logic with Flash technology. The series is known for low power consumption and robust security features. It serves as a cost-effective solution for replacing discrete logic gates and small-scale ASICs in various commercial and industrial applications.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements within the same family include other LC4256 variants with different package or speed grades. Cross-family migration may require retiming and resource verification. Consult Lattice's cross-reference tools for pin-compatible alternatives if package availability is constrained.