M5LV-256/74-15VI

Complex Programmable Logic Devices Overview

The M5LV-256/74-15VI is a Complex Programmable Logic Device (CPLD) from the Lattice MACH 5 family, designed for 3.3-V operation. It features 256 macrocells and supports up to 74 user I/O pins within a 100-pin TQFP package. The device operates at an industrial temperature range of -40°C to +85°C with a maximum propagation delay of 15 ns. Key capabilities include IEEE 1149.1 compliant in-system programming, boundary scan testability, and support for mixed-voltage system designs.

Complex Programmable Logic Devices Feature Summary

• 256 Macrocells with 74 I/Os in a 100-pin TQFP package
• Industrial grade performance: 15 ns max propagation delay (-40°C to +85°C)
• IEEE 1149.1 compliant In-System Programming (ISP) and Boundary Scan
• Safe for mixed supply voltage designs (accepts 5-V inputs)

Complex Programmable Logic Devices Applications

• High-speed computing logic integration
• Embedded control systems
• Communications interface bridging

Complex Programmable Logic Devices Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific ordering suffix matches the required voltage, speed grade, and package type. Check for RoHS compliance status as older revisions may differ.

Complex Programmable Logic Devices Selection Notes

Select this part for applications requiring 3.3-V core voltage with 5-V tolerant I/Os. Ensure the design utilizes the available 256 macrocells efficiently. Consider the 15 ns speed grade if timing constraints allow; faster grades like -7 are available for higher performance needs.

Complex Programmable Logic Devices Part Context

This component belongs to the MACH 5 CPLD family, which offers high-density logic integration using E2CMOS technology. The 'M5LV' prefix indicates 3.3-V operation, distinguishing it from the 5-V 'M5' variants. The family provides flexible architecture with multiple switch matrices for performance-based routing.

Complex Programmable Logic Devices Replacement Considerations

For pin-compatible upgrades, consider other M5LV-256 devices with lower speed grades (e.g., -7, -10). For legacy 5-V designs, the M5-256 series may be relevant but requires voltage level adjustment.