CY8C21634-24LFXI

Overview

The CY8C21634-24LFXI is a PSoC Low Power Programmable System-on-Chip from Infineon Technologies. It integrates an 8-bit CPU, programmable analog and digital blocks, and SRAM on a single die. The device operates at frequencies up to 24 MHz with supply voltages ranging from 1.8V to 5.5V. Key specifications include 32KB of Flash memory, 2KB of SRAM, and multiple communication interfaces such as UART, SPI, and I2C. It features low-power modes including active, idle, and deep sleep states to optimize energy consumption in battery-powered applications.

Feature Summary

• Integrates programmable analog and digital blocks for custom system functionality
• Supports multiple low-power operating modes for energy efficiency
• Includes built-in communication interfaces for peripheral connectivity

Applications

• Battery-powered consumer electronics
• Industrial control systems
• Smart home devices

Procurement Notes

Verify the specific ordering suffix LFXI to confirm package type and temperature range. Ensure compatibility with required voltage levels and interface protocols before integration. Cross-reference official datasheets for pinout configurations and electrical characteristics to avoid design errors.

Selection Notes

Select this component when a mixed-signal programmable solution is required to reduce board space and BOM count. Consider the available programmable resources and memory size relative to application complexity. Evaluate power consumption requirements against the device's low-power capabilities.

Part Context

This part belongs to the PSoC 1 family, designed for cost-sensitive and space-constrained embedded applications. It offers flexibility through its programmable logic architecture, allowing designers to customize hardware functions without external components. The series is known for rapid prototyping and development cycle reduction.

Replacement Considerations

Check for direct pin-to-pin replacements within the same PSoC 1 family with compatible memory and I/O counts. Verify that alternative parts support the same voltage range and operating temperature specifications.