M5LV-256/68-7YC

Complex Programmable Logic Devices Overview

The M5LV-256/68-7YC is a 3.3-V Complex Programmable Logic Device (CPLD) from the Lattice MACH 5 family, featuring 256 macrocells and 68 user I/O pins. It operates within a commercial temperature range of 0°C to +70°C with a maximum propagation delay of 7.5 ns and a maximum frequency of 182 MHz. The device utilizes an E²CMOS process and supports in-system programming via IEEE 1149.1 Boundary Scan. It includes features such as individually programmable output slew rates, four power/speed settings per block, and compatibility with mixed supply voltage systems.

Complex Programmable Logic Devices Feature Summary

• 256 Macrocells with 68 User I/Os in a 100-pin TQFP package
• 7.5 ns maximum propagation delay and 182 MHz maximum frequency
• 3.3-V operation with 5-V input tolerance for mixed-voltage designs
• IEEE 1149.1 compliant for boundary scan testing and in-system programming

Complex Programmable Logic Devices Applications

• High-speed computing logic integration
• Communications interface control
• Embedded system control applications

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 speed grade (-7) and package type (TQFP). Check for RoHS compliance status as older revisions may not meet current environmental standards.

Complex Programmable Logic Devices Selection Notes

Select this model when a 3.3-V supply is required alongside 5-V interface compatibility. The -7 speed grade provides a balance between performance and power consumption suitable for commercial environments. Ensure design requirements align with the 68 I/O count and 256 macrocell density before considering higher-density alternatives.

Complex Programmable Logic Devices Part Context

This component belongs to the fifth-generation MACH architecture, designed for high logic densities and flexible routing. The M5LV series specifically targets 3.3-V applications while maintaining pinout retention across the family for easy migration between different density levels.

Complex Programmable Logic Devices Replacement Considerations

For equivalent functionality, consider other devices within the MACH 5 family that offer similar macrocell counts and I/O configurations. Verify that any substitute maintains the same 3.3-V operating voltage and 7.5 ns speed grade to ensure timing compatibility.