LC4064V-5TN44I

Complex Programmable Logic Devices Overview

The LC4064V-5TN44I is a Complex Programmable Logic Device (CPLD) belonging to the ispMACH 4000V family, manufactured by Lattice Semiconductor Corporation. It features 64 macrocells and supports up to 30 I/Os within a 44-TQFP package. The device operates with an internal supply voltage range of 3V to 3.6V and offers a maximum propagation delay of 5 ns. Designed for industrial applications, it supports a junction temperature range of -40°C to 125°C. Key architectural features include a 1.8V core for low dynamic power consumption and 5V tolerant I/Os compatible with LVCMOS 3.3, LVTTL, and PCI interfaces.

Complex Programmable Logic Devices Feature Summary

• 64 Macrocells with SuperFAST performance in a 44-TQFP package
• Industrial temperature grade supporting -40°C to 125°C junction temperature
• In-system programmability via JTAG interface
• 5V tolerant I/Os supporting LVCMOS 3.3, LVTTL, and PCI standards

Complex Programmable Logic Devices Applications

• Industrial control systems requiring robust logic interfacing
• Automotive electronics operating under extended temperature conditions
• Communication infrastructure glue logic and protocol bridging
• General-purpose digital logic replacement in high-reliability environments

Complex Programmable Logic Devices Procurement Notes

Verify the suffix 'I' confirms the industrial temperature rating (-40°C to 125°C TJ). Confirm the 'V' indicates the specific 4000V architecture variant. Ensure the TN44 designation matches the required 44-pin TQFP footprint. Check RoHS compliance status against current regulatory requirements. Validate that the 3V-3.6V supply range aligns with the target system power design.

Complex Programmable Logic Devices Selection Notes

Select this component when 64 macrocells are sufficient for the logic density requirements. Choose the 5 ns speed grade if timing constraints allow for slower switching than the 2.5 ns variant. Opt for the TN44 package if board space accommodates the 10x10 mm outline. Ensure the design utilizes a 3.3V or 3.0V power rail to stay within the 3V-3.6V operational window. Consider the 5V tolerant I/Os if interfacing directly with legacy 5V peripherals without level shifting.

Complex Programmable Logic Devices Part Context

This part belongs to the ispMACH 4000V family, which blends ispLSI 2000 and ispMACH 4A architectures. It shares the 64-macrocell density with the LC4064V-25 series but differs in speed grade and temperature rating. The 'V' suffix distinguishes it from the standard 4000B/C/Z families, offering specific power and performance characteristics tailored for low-power, high-density applications.

Complex Programmable Logic Devices Replacement Considerations

Direct replacements include other LC4064 variants such as LC4064V-25TN44I for faster switching or LC4064Z-5TN44I for alternative packaging options. Cross-family migration to MachXO3L-640 may be considered for non-volatile configuration needs, though pinouts and logic structures differ significantly.