LC4256V-75T100I

Complex Programmable Logic Devices Overview

The LC4256V-75T100I is a high-density CPLD from the ispMACH 4000V family, housed in a TQFP-100 package. It features 256 macrocells and 64 I/O pins across 16 Logic Array Blocks (LABs). The device operates at a maximum frequency of 322 MHz with a typical propagation delay of 7.5 ns. It supports supply voltages between 3.0 V and 3.6 V, drawing approximately 12.5 mA during operation. The component functions within an industrial temperature range of -40°C to +105°C.

Complex Programmable Logic Devices Feature Summary

• In-system programmability via JTAG or serial interface
• Flexible I/O architecture supporting 3.3V, 2.5V, and 1.8V standards
• Global clock distribution with programmable polarity control
• Individual macrocell controls for clock, reset, preset, and enable

Complex Programmable Logic Devices Applications

• High-speed data bus bridging and protocol conversion
• Complex state machine implementation in industrial automation
• Address decoding and control logic for embedded systems
• Interface adaptation between disparate voltage domains

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'TN100I' against the manufacturer's current datasheet to confirm pinout compatibility and electrical characteristics. Ensure the design accounts for moisture sensitivity levels as indicated in the packaging specifications. Confirm that the target application environment remains within the specified industrial temperature limits (-40°C to +105°C) to guarantee reliable performance over the product lifecycle.

Complex Programmable Logic Devices Selection Notes

Select this component when a balance of moderate density and high speed is required for complex logic functions. The 256 macrocell count suits applications needing significant combinational and sequential logic without the complexity of FPGA flows. Consider the TQFP-100 package for surface-mount designs requiring robust thermal dissipation and accessible pin access for prototyping or low-volume production.

Complex Programmable Logic Devices Part Context

This part belongs to Lattice Semiconductor's ispMACH 4000V series, designed for super-fast, high-density programmable logic solutions. The family combines architectures from previous generations to offer low power consumption alongside high performance. It targets applications requiring flexible, reprogrammable logic with support for multiple I/O voltage standards, making it suitable for evolving system requirements.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements within the same family include variants with different speed grades or package options, such as the LC4256V-5T100I. Verify that any substitute maintains the same pinout and logic capacity. Cross-family migration to newer Lattice CPLD families may require schematic and code adjustments due to architectural differences.