CY8C21123-24SXI

Overview

The CY8C21123-24SXI is an 8-bit PSoC microcontroller featuring the M8C processor with speeds up to 24 MHz. It integrates 4 KB of Flash program storage and 256 bytes of SRAM data storage. The device operates within a voltage range of 2.4 V to 5.25 V and supports an industrial temperature range from –40 °C to +85 °C. It includes four analog Type E PSoC blocks for comparators and ADCs, along with four digital PSoC blocks for configurable peripherals.

Feature Summary

• Configurable analog and digital system resources allow custom peripheral creation
• On-chip switch mode pump enables operation from single battery cells
• Flexible memory architecture supports in-system serial programming
• Programmable GPIO pins support various drive modes and interrupt configurations

Applications

• Consumer electronics requiring low component count
• Industrial equipment control systems
• Communications interface modules
• Battery-powered devices utilizing switch mode pump functionality

Procurement Notes

Verify the specific ordering suffix against official Infineon documentation to confirm package type and temperature grade. Ensure compatibility with PSoC Designer software versions for development. Confirm RoHS compliance status through current manufacturer declarations before procurement.

Selection Notes

Select this component when design flexibility for mixed-signal applications is required. The PSoC architecture reduces bill-of-materials by integrating analog and digital functions. Evaluate pin count requirements as this specific part number corresponds to the 8-pin SOIC package variant within the CY8C21x23 family.

Part Context

This device belongs to the Cypress Semiconductor (now Infineon) PSoC 21x23 family. These controllers are designed to replace multiple traditional MCU-based components with a single programmable chip. The architecture combines a fast CPU with configurable analog and digital blocks on a programmable interconnect.

Replacement Considerations

Public confirmed substitute part numbers: CY8C21123-24SXIT.