CY8C20666-24LTXIT

Application Specific Microcontrollers Overview

The CY8C20666-24LTXIT is an 8-bit microcontroller from Infineon Technologies, part of the PSoC family. It utilizes the M8C core and operates at a maximum clock frequency of 24 MHz. The device features 32 kB of program memory (Flash) and 2 kB of data RAM. It supports I2C, SPI, and USB interfaces and is housed in a QFN-48 package. The operating voltage range is specified between 2.4 V and 5.25 V, with a functional temperature range from -40°C to +85°C.

Application Specific Microcontrollers Feature Summary

• M8C 8-bit processor core with 24 MHz maximum speed
• 32 kB Flash program memory and 2 kB SRAM
• Integrated USB interface capability alongside I2C and SPI
• QFN-48 surface mount package

Application Specific Microcontrollers Applications

• USB-enabled peripheral devices
• General-purpose embedded control systems
• Industrial communication nodes requiring I2C/SPI/USB connectivity

Application Specific Microcontrollers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via official datasheets. Check for End-of-Life (EOL) notifications as this specific variant may have discontinuation notices. Ensure supply chain stability for long-term production needs.

Application Specific Microcontrollers Selection Notes

Select this model when a combination of 32 kB Flash, 2 kB RAM, and native USB support is required within a compact QFN-48 footprint. Compare against CY8C20666A if updated silicon revisions are necessary. Ensure design compatibility with the 2.4V to 5.25V supply range and 24 MHz timing constraints.

Application Specific Microcontrollers Part Context

This component belongs to the Cypress/Infineon PSoC 1 series, designed for low-cost, high-performance embedded applications. The CY8C20xxx series specifically targets applications needing mixed-signal capabilities and programmable interconnects, bridging the gap between standard 8-bit MCUs and more complex ARM-based solutions.

Application Specific Microcontrollers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Infineon's official obsolescence management tools for current lifecycle status and recommended alternatives.