LC4128V-5TN100C

Complex Programmable Logic Devices Overview

The LC4128V-5TN100C is a Complex Programmable Logic Device from the ispMACH 4000V family, manufactured by Lattice Semiconductor. It features 128 macrocells and 64 I/O pins housed in a TQFP-100 package. The device operates at a supply voltage of 3.0 V to 3.6 V with a maximum propagation delay of 5 ns and a maximum operating frequency of 156 MHz. It supports system-in-programmability and functions within an industrial temperature range of -40°C to +85°C.

Complex Programmable Logic Devices Feature Summary

• Supports system-in-programmability for flexible design updates
• High-density logic architecture with 128 macrocells
• Industrial temperature rating for robust operation

Complex Programmable Logic Devices Applications

• Keyboard controller interfaces in embedded systems
• General-purpose programmable logic replacement
• Signal buffering and translation tasks

Complex Programmable Logic Devices Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status as specifications may vary by production batch. Check for moisture sensitivity level handling requirements during storage and assembly. Ensure the specific suffix matches the required package and temperature grade for your application.

Complex Programmable Logic Devices Selection Notes

Select this component when a moderate density CPLD with high-speed performance is required. Compare against the LC4128ZE series if lower power consumption is critical, noting the voltage differences. Ensure the TQFP-100 footprint fits the PCB layout constraints. Verify that the 5 ns speed grade meets the timing requirements of the target digital interface.

Complex Programmable Logic Devices Part Context

This part belongs to the ispMACH 4000V family, designed for cost-effective programmable logic solutions. It serves as a successor to older GAL devices, offering higher complexity and reprogrammability. The family is widely used in legacy system upgrades and custom interface designs where standard logic gates are insufficient.

Complex Programmable Logic Devices Replacement Considerations

Direct pin-to-pin replacements within the same family include other speed grades of the LC4128V-5TN100 variant. For automotive applications, consider the LA4128V series which offers AEC-Q100 qualification. Cross-reference with LC4128ZE models only if power reduction is prioritized over the 3.3V operation.