LC4064C-75TN44I

Complex Programmable Logic Devices Overview

The LC4064C-75TN44I is a Complex Programmable Logic Device (CPLD) belonging to the ispMACH 4000C family. It features 64 macrocells organized into 4 Logic Array Blocks (LABs). The device supports a maximum operating frequency of 400 MHz with a propagation delay of 2.5 ns. It operates at a supply voltage of 1.8 V and includes EEPROM memory for configuration storage. The component provides 30 I/O pins, functions within an industrial temperature range of -40°C to +105°C, and is housed in a 44-TQFP surface-mount package.

Complex Programmable Logic Devices Feature Summary

• High-performance logic architecture with 400 MHz maximum frequency and 2.5 ns propagation delay
• 64 macrocells distributed across 4 LABs with up to 80 product terms per output
• In-system programmability via ISP interface with EEPROM non-volatile configuration
• Industrial temperature rating (-40°C to +105°C) and 1.8 V supply operation

Complex Programmable Logic Devices Applications

• High-speed digital signal processing interfaces
• Protocol conversion between different logic families
• Complex glue logic replacement in industrial control systems
• Address decoding and bus bridging applications

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'TN44I' corresponds to the TQFP-44 package, Industrial temperature grade, and Lead-free status. Confirm RoHS compliance through official manufacturer documentation or authorized distributor datasheets prior to procurement. Ensure design files match the exact revision indicated in the latest public data sheet.

Complex Programmable Logic Devices Selection Notes

Select this model when 64 macrocells are sufficient for the design logic requirements. The 1.8 V supply voltage dictates the I/O voltage levels; ensure compatibility with connected components. The 75 speed grade offers the fastest performance within the C series. Verify that the 44-pin TQFP package fits the PCB footprint constraints and thermal management requirements.

Complex Programmable Logic Devices Part Context

This part belongs to the Lattice ispMACH 4000C family, which succeeded the 4000B series. It shares architectural similarities with the LC4064V but utilizes a 1.8 V core voltage instead of 3.3 V. The 'C' designation indicates the specific technology node and voltage characteristics of this generation of CPLDs.

Complex Programmable Logic Devices Replacement Considerations

The LC4064V-75TN44I is a pin-compatible alternative within the same package but operates at 3.3 V. Designers must verify voltage level translation if replacing the LC4064C-75TN44I with the V-series variant.