CY8C21645-24PVXAKA

Overview

The CY8C21645-24PVXAKA is a PSoC Low Power Programmable System-on-Chip from Infineon Technologies. It integrates an 8-bit CPU, programmable analog and digital blocks, and on-chip memory within a 24-pin SSOP package. The device operates at frequencies up to 24 MHz with supply voltages ranging from 1.8V to 3.6V. Key specifications include 16KB of Flash program memory, 1024 bytes of SRAM, and 512 bytes of EEPROM. It features multiple communication interfaces including UART, SPI, and I2C, alongside numerous GPIOs and timer/counters.

Feature Summary

• Integrates programmable analog and digital blocks for custom system functionality
• Supports low-power operation modes for battery-powered applications
• Includes on-chip non-volatile memory for data retention

Applications

• Portable consumer electronics
• Industrial control systems
• Smart home devices

Procurement Notes

Verify the specific suffix 'KA' against official Infineon documentation to confirm package type and temperature range. Ensure compatibility with required voltage levels and interface protocols before integration. Cross-reference pinouts with the latest datasheet to avoid layout errors during PCB design.

Selection Notes

Select this component when a mixed-signal microcontroller with programmable logic is required. Consider the available Flash and SRAM sizes relative to application firmware complexity. Evaluate power consumption requirements against the device's active and sleep modes to ensure battery life targets are met.

Part Context

This part belongs to the PSoC 1 family, designed for highly integrated, low-cost solutions. It combines the flexibility of FPGA-like programmable blocks with the ease of use of a standard microcontroller. The series is known for reducing board space and component count in embedded designs.

Replacement Considerations

Check for direct pin-to-pin replacements within the same PSoC 1 family, such as other CY8C21xxx variants. Verify memory size and peripheral availability match the original design requirements. Consult Infineon's obsolescence notices for any end-of-life status.