M4A5-128/64-10VC

Complex Programmable Logic Devices Overview

The M4A5-128/64-10VC is a 5-V ispMACH 4A Complex Programmable Logic Device (CPLD) from Lattice Semiconductor. It features 128 macrocells and 64 user I/Os, housed in a 100-pin TQFP package. The device operates at a maximum propagation delay of 10 ns and supports a maximum count frequency of 167 MHz. It utilizes E2CMOS technology for non-volatile configuration via JTAG (IEEE 1149.1). Key architectural elements include a central switch matrix, logic allocator with up to 20 product terms per output, and flexible macrocell configurations supporting D/T registers and latches.

Complex Programmable Logic Devices Feature Summary

• 128 Macrocells with 64 User I/Os in a 100-pin TQFP package
• High-speed performance: 10 ns max propagation delay and 167 MHz max count frequency
• SpeedLocking architecture ensures fixed timing independent of logic complexity
• JTAG-compliant boundary scan testing and in-system programming

Complex Programmable Logic Devices Applications

• Industrial control systems requiring high pin-out retention
• Communication board interface logic
• PCI compliant peripheral designs

Complex Programmable Logic Devices Procurement Notes

Verify the specific ordering suffix 'VC' against the manufacturer's current datasheet to confirm package type and temperature grade. Confirm that the component meets RoHS requirements if lead-free packaging is necessary for the target assembly process.

Complex Programmable Logic Devices Selection Notes

Select this model for designs requiring 5-V operation with 128 macrocells. Ensure the application fits within the 10 ns speed grade constraints. Verify that the 100-pin TQFP footprint matches the PCB layout requirements.

Complex Programmable Logic Devices Part Context

This part belongs to the ispMACH 4A family, which offers flexible architectures for rapid logic design. The M4A5 series specifically denotes 5-V devices, distinguishing them from the 3.3-V M4A3 series. The family emphasizes First-Time-Fit capabilities and 100% pin-out retention across design revisions.

Complex Programmable Logic Devices Replacement Considerations

Compatible replacements within the same family include M4A5-128/64-10VNC or M4A5-128/64-10YNI, provided the package and electrical specifications remain identical.