M4-128N/64-18JI

Complex Programmable Logic Devices Overview

The M4-128N/64-18JI is a Complex Programmable Logic Device (CPLD) from the Lattice Mach 4 family, utilizing E2CMOS technology. It features 128 macrocells and supports up to 64 user I/O pins. The device operates at 3.3V or 5V with a maximum propagation delay of 10ns for industrial speed grades. It includes JTAG boundary scan compliance and in-system programmability via IEEE 1149.1. The architecture comprises PAL blocks, a central switch matrix, and flexible logic allocators ensuring 100% routability.

Complex Programmable Logic Devices Feature Summary

• 128 Macrocells with 1:1 macrocell-to-I/O cell ratio
• Industrial speed grade (-18) with 10ns max propagation delay
• JTAG compliant for boundary scan testing and in-system programming
• Flexible architecture with central switch matrix for 100% pin-out retention

Complex Programmable Logic Devices Applications

• Digital logic implementation requiring guaranteed fixed timing
• System integration with mixed voltage supply designs
• Boundary scan testing on automated test equipment

Complex Programmable Logic Devices Procurement Notes

Verify current product status through official Lattice Semiconductor channels. Product Change Notifications may indicate conversion to alternative families such as M4A5 or discontinuation. Confirm availability and lead times directly with authorized distributors or the manufacturer before procurement planning.

Complex Programmable Logic Devices Selection Notes

Select this model for designs requiring 128 macrocells with industrial temperature range performance. Ensure compatibility with 3.3V or 5V supply voltages. Verify package requirements against available options like PLCC or TQFP. Consider architectural differences if migrating from other CPLD families.

Complex Programmable Logic Devices Part Context

Part of the Mach 4 CPLD family offering high-performance E2CMOS solutions. Designed for rapid logic development with support from ispDesignEXPERT software. Provides cost-effective integration for complex digital systems with predictable timing characteristics.

Complex Programmable Logic Devices Replacement Considerations

Check for Product Change Notifications indicating conversion to M4A5 series devices. Consult Lattice Semiconductor documentation for specific substitution guidelines and pin-compatible alternatives within the updated product lineup.