M5LV-256/104-15VI

Complex Programmable Logic Devices Overview

The M5LV-256/104-15VI is a Complex Programmable Logic Device (CPLD) from the Lattice MACH 5 family. It features 256 macrocells and 104 user I/O pins housed in a 144-pin TQFP package. The device operates on a 3.3V supply voltage with a maximum propagation delay of 15 ns. It supports In-System Programming (ISP) via IEEE 1149.1 Boundary Scan, offers mixed-voltage compatibility for 5V systems, and includes individually programmable output slew rates.

Complex Programmable Logic Devices Feature Summary

• 256 Macrocells with 104 User I/Os in a 144-pin TQFP package
• 15 ns Maximum Propagation Delay (Industrial Grade)
• 3.3V Supply Voltage with 5V Input Tolerance
• IEEE 1149.1 Compliant In-System Programming and Boundary Scan

Complex Programmable Logic Devices Applications

• High-speed computing logic integration
• Communications interface bridging
• Embedded control systems
• Mixed-voltage system design

Complex Programmable Logic Devices Procurement Notes

Verify component authenticity through authorized channels as this part number may be discontinued or subject to obsolescence notices. Confirm that the industrial temperature grade (-40°C to 85°C) meets environmental requirements. Ensure programming equipment supports the IEEE 1149.1 TAP interface required for ISP configuration.

Complex Programmable Logic Devices Selection Notes

Select this model when 256 macrocells and high pin counts are required within a TQFP footprint. The 15 ns speed grade suits applications where moderate timing constraints allow for lower power consumption compared to faster grades. Verify that the 3.3V core voltage aligns with system power rails while utilizing the 5V tolerant inputs for legacy interfacing.

Complex Programmable Logic Devices Part Context

This component belongs to the MACH 5 CPLD family, characterized by its hierarchical architecture using PAL blocks connected by block and segment interconnects. The 'M5LV' prefix denotes the 3.3V variant, distinguishing it from the 5V M5 series. The -15 suffix indicates the specific timing performance grade within the product line.

Complex Programmable Logic Devices Replacement Considerations

Check for updated Lattice Semiconductor documentation regarding end-of-life status. Consider devices from the MachXO or iCE40 families for modern low-power replacements, ensuring logic density and I/O count compatibility.