CY8C20396-24LQXI

Application Specific Microcontrollers Overview

The CY8C20396-24LQXI is a System-on-Chip (SoC) microcontroller from the Cypress PSoC 1 family, specifically designed for capacitive sensing applications. It integrates an M8C core with CapSense technology, featuring 8 kB of Flash memory and 1 KB of RAM. The device operates within a voltage range of 1.71 V to 5.5 V and supports I2C and SPI interfaces. Packaged in a 24-pin UFQFN format with exposed pad, it functions reliably across temperatures from -40°C to +85°C.

Application Specific Microcontrollers Feature Summary

• Integrated CapSense controller for touch sensing applications
• M8C processor core with 8 kB Flash and 1 KB RAM
• Supports I2C and SPI communication interfaces
• Operates on supply voltages from 1.71 V to 5.5 V

Application Specific Microcontrollers Applications

• Capacitive touch sensing interfaces
• Embedded control systems requiring low power
• Consumer electronics with touch input requirements

Application Specific Microcontrollers Procurement Notes

Verify component authenticity through authorized distributors or certified suppliers. Confirm RoHS compliance status and check for specific manufacturing date codes relevant to your production timeline. Ensure the package type matches your PCB footprint design specifications before ordering.

Application Specific Microcontrollers Selection Notes

Select this model when a dedicated capacitive sensing solution is required alongside basic processing capabilities. Compare pin counts and memory sizes against other CY8C20xx7/S series variants to ensure adequate I/O availability. Verify that the 24-QFN package dimensions fit within the mechanical constraints of the target enclosure.

Application Specific Microcontrollers Part Context

This component belongs to the Cypress PSoC 1 mixed-signal array family, which combines programmable analog blocks with digital logic. The CY8C20396 variant specifically targets cost-sensitive applications needing integrated touch sensing without external controllers. It represents a consolidated solution for embedded systems previously requiring separate MCU and sensor ICs.

Application Specific Microcontrollers Replacement Considerations

Direct replacements within the same family include CY8C20337-24LQXI or CY8C20467S-24LQXI, provided pin compatibility and memory requirements are met. Verify that any substitute maintains the same CapSense functionality and operating voltage range.