LC4032C-75TN48I

Overview

The LC4032C-75TN48I is a Complex Programmable Logic Device (CPLD) from the Lattice ispMACH 4000VC family. It features 32 macrocells and supports up to 32 user I/Os within a 48-pin Thin Quad Flat Package (TQFP). The device operates at a maximum frequency of 400 MHz with a typical propagation delay of 7.5 ns. It functions on a single 3.3 V supply voltage and is rated for industrial temperature ranges, typically spanning from -40°C to +85°C.

Feature Summary

• High-speed performance with 400 MHz operating frequency
• Non-volatile configuration memory (NVCM) for instant-on operation
• In-system programmability via JTAG interface
• 32 macrocells supporting flexible logic implementation

Applications

• Address decoding and bus bridging in embedded systems
• Protocol conversion between different communication standards
• Logic replacement for legacy discrete components
• Power-on reset generation and system control logic

Procurement Notes

Verify the specific suffix 'I' indicates the industrial temperature range (-40°C to +85°C) compared to commercial variants. Confirm package integrity for the TQFP-48 form factor upon receipt. Check RoHS compliance status against current manufacturing revisions. Ensure ESD precautions are followed during handling due to moisture sensitivity levels.

Selection Notes

Select this model when non-volatile storage is required to eliminate external configuration flash memory. Compare against the LC4032V series if lower power consumption is critical, noting potential differences in I/O drive strengths. Verify that the 32 macrocell density meets the logic requirements without excessive resource utilization or wasted capacity.

Part Context

This component belongs to the ispMACH 4000VC family, designed for high-density CPLD applications. It succeeds earlier generations by integrating non-volatile configuration memory directly on-chip. This integration simplifies board design by removing the need for separate configuration devices commonly found in SRAM-based PLDs.

Replacement Considerations

Direct pin-to-pin replacements may include the LC4032V-75TN48I variant, though electrical characteristics such as leakage current and I/O thresholds may differ. Verify compatibility with existing firmware before substitution. Cross-reference with newer Lattice MachXO or CrossLink-N families for enhanced feature sets if form factor constraints allow.