CY8C21334-24PVXI

Overview

The Infineon CY8C21334-24PVXI is an 8-bit microcontroller based on the PSoC architecture, housed in a 20-pin SSOP package. It features an M8C core with a maximum clock frequency of 24 MHz and utilizes a Harvard instruction set structure. The device includes 8 kB of Flash program memory and 512 bytes of SRAM data memory. Key peripherals include two timers/counters, one 8-bit DAC, two analog comparators, and a 28-channel 10-bit ADC. It supports I2C, SPI, and UART interfaces, operates within a voltage range of 2.4 V to 5.25 V, and functions between -40°C and +85°C.

Feature Summary

• Integrates programmable mixed-signal array with configurable digital and analog peripherals for system-level flexibility.
• Includes CapSense technology support for capacitive touch sensing applications.
• Features an 8-bit M8C processor core optimized for efficient code execution.

Applications

• Consumer electronics requiring low pin count and mixed-signal capabilities
• Industrial equipment control systems
• Communications interface modules

Procurement Notes

Verify the specific suffix PVXI against official datasheets to confirm package type and temperature grade. Confirm RoHS compliance status through manufacturer documentation. Check current lifecycle status as some variants may be obsolete. Ensure ESD handling procedures are followed during assembly due to moisture sensitivity classification.

Selection Notes

Select this component when a compact 20-pin solution with integrated analog peripherals is required. The CY8C21334 offers sufficient Flash and RAM for moderate logic complexity. Consider the 24 MHz speed limit and 512-byte RAM constraint for application feasibility. Verify that the SSOP-20 footprint matches the PCB design requirements.

Part Context

This part belongs to the Infineon CY8C21x34 series of PSoC 1 devices. These microcontrollers combine an 8-bit CPU with programmable analog blocks. The series targets cost-sensitive applications needing mixed-signal processing. The CY8C21334 variant specifically provides 8 kB Flash and 512 B RAM.

Replacement Considerations

CY8C21334B-24PVXI is a documented variant within the same family. Verify electrical specifications and pin compatibility before substitution. Other CY8C21x34 members may differ in memory size or peripheral counts.