LC4256C-5FT256AC

Complex Programmable Logic Devices Overview

The LC4256C-5FT256AC is a Complex Programmable Logic Device (CPLD) belonging to the ispMACH 4000ZE family. It features 256 macrocells and 96 I/O pins housed in a 256-ball Fine Pitch Ball Grid Array (FPBGA) package. The device operates at a supply voltage of 1.8V with a maximum propagation delay of 5ns and a maximum operating frequency of 200MHz. Designed for industrial applications, it supports a temperature range from -40°C to +105°C. Key specifications include 16 Logic Array Blocks (LABs) and low standby power consumption.

Complex Programmable Logic Devices Feature Summary

• High-density logic architecture with 256 macrocells and 16 LABs
• Fast switching speed with 5ns max propagation delay
• Industrial temperature grade (-40°C to +105°C)
• Low-power 1.8V operation

Complex Programmable Logic Devices Applications

• Industrial control systems
• Communication interface bridging
• Signal processing logic
• General-purpose programmable logic

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'AC' against official Lattice documentation to confirm the exact commercial temperature grade and packaging details. Ensure compatibility with existing board layouts regarding the 256-ball FPBGA footprint and pinout configuration before procurement.

Complex Programmable Logic Devices Selection Notes

Select this component when a balance of high I/O count (96) and moderate logic density (256 macrocells) is required. The 5ns speed grade offers faster performance than the 7.5ns variant while maintaining low power characteristics suitable for 1.8V core voltage applications.

Complex Programmable Logic Devices Part Context

This part belongs to the ispMACH 4000ZE series, which focuses on low-power CPLD solutions. It serves as an upgrade path for legacy 3.3V designs transitioning to lower voltage standards, offering comparable functionality with reduced power consumption and improved performance metrics.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements within the same family include the LC4256ZE-5FT256I for industrial temperature ranges or LC4256ZE-7FT256I for slower speed grades. Verify pin-to-pin compatibility and electrical parameter alignment with the datasheet.