LA4128V-75TN100E

Overview

The LA4128V-75TN100E is an automotive-grade Complex Programmable Logic Device (CPLD) from the Lattice ispMACH 4000V family, certified to AEC-Q100 standards. It features 128 macrocells organized into 8 Logic Array Blocks (LABs) and provides 64 I/O pins within a 100-pin TQFP package. The device operates on a 3.3 V supply with a maximum frequency of 168 MHz and a typical propagation delay of 7.5 ns. Designed for high reliability, it supports system-in-package programming via JTAG and functions across an extended temperature range of -40°C to +125°C.

Feature Summary

• AEC-Q100 Grade 1 qualification for automotive applications
• 128 Macrocells with 64 I/Os in a 100-TQFP package
• High-speed performance: 168 MHz max frequency, 7.5 ns delay
• In-system programmability via ISP/JTAG interface

Applications

• Automotive body control modules
• Infotainment system interfaces
• Sensor signal conditioning logic
• Gateway protocol conversion

Procurement Notes

Verify the specific suffix 'TN100E' matches the required 100-pin TQFP package and RoHS compliance status. Confirm that the AEC-Q100 automotive grade certification is explicitly stated for this exact part number variant, as commercial equivalents may lack the necessary reliability testing documentation required for automotive deployment.

Selection Notes

Select this component when an automotive-certified CPLD with moderate density (128 macrocells) is required. Ensure the design utilizes a 3.3 V power domain. Compare against the LC4128V series if automotive qualification is not mandatory but higher speeds are needed, noting that the LA4128V prioritizes reliability over the peak 333 MHz performance found in the LC4128V.

Part Context

This part belongs to the Lattice ispMACH 4000V family, which bridges the gap between standard commercial PLDs and ruggedized automotive components. The 'LA' prefix specifically denotes the automotive-qualified version of the ispMACH 4000V architecture, offering enhanced stability and traceability compared to the standard LC4128V series.

Replacement Considerations

The LC4128V-75T100E is a pin-compatible commercial alternative but lacks AEC-Q100 certification. For direct automotive replacements, verify availability of other LA4128V variants with different pin counts (e.g., TN144E) if I/O requirements change.