LC4128V-75T144C

Complex Programmable Logic Devices Overview

The LC4128V-75T144C is a Complex Programmable Logic Device (CPLD) from the ispMACH 4000V family. It features 128 macrocells organized into 8 logic array blocks and supports up to 96 I/O pins. The device operates within a supply voltage range of 3V to 3.6V and offers a maximum propagation delay of 7.5 ns, corresponding to a maximum operating frequency of 333 MHz. It is housed in a 144-pin TQFP package and functions reliably across an industrial temperature range of -40°C to +105°C.

Complex Programmable Logic Devices Feature Summary

• Supports system-in-programmability for flexible design updates
• High-density architecture with 128 macrocells and 8 LABs
• Industrial-grade thermal stability for demanding environments

Complex Programmable Logic Devices Applications

• High-speed interface bridging between disparate protocols
• Complex glue logic replacement in embedded systems
• Address decoding and control signal generation
• State machine implementation for industrial automation

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'C' against official Lattice documentation to confirm it denotes commercial temperature grade rather than industrial grade, as standard part numbers often use 'I' for industrial ratings. Confirm package availability and lead times directly with authorized distributors, as stock levels fluctuate. Ensure EDA models match the exact revision to prevent simulation discrepancies during design validation.

Complex Programmable Logic Devices Selection Notes

Select this component when designs require moderate logic density with high pin counts in a surface-mount package. Compare against the LC4128V-75TN144I if industrial temperature operation (-40°C to +105°C) is required instead of commercial ranges. Evaluate power consumption specifications relative to the 3.3V supply rail to ensure compatibility with system power budgets and thermal constraints.

Complex Programmable Logic Devices Part Context

This CPLD belongs to the ispMACH 4000V series, designed for cost-sensitive applications requiring non-volatile programmability. The LC4128 variant provides a balance of performance and density, serving as a drop-in replacement for older GAL or PAL devices in legacy designs while offering modern reprogrammability features.

Complex Programmable Logic Devices Replacement Considerations

The LC4128V-5T144C is a verified alternative within the same family, offering faster 5 ns propagation delay but potentially different availability. Verify pinout compatibility and electrical characteristics before substitution. No other direct public substitutes are confirmed in the provided documentation.