CY8C26643-24AIT

Overview

The CY8C26643-24AIT is an 8-bit microcontroller from the PSoC™ mixed-signal array family, utilizing the M8C core. It features 16 kB of Flash program memory and 256 bytes of SRAM data storage. The device supports a maximum clock frequency of 24 MHz and operates within a voltage range of 3.0 V to 5.25 V. It includes configurable analog and digital peripherals, such as ADCs, DACs, timers, and communication interfaces like UART and SPI.

Feature Summary

• Configurable mixed-signal array architecture integrating programmable analog and digital blocks with an on-board controller.
• Flexible I/O capabilities supporting Schmitt trigger TTL inputs and high drive currents for both logic and analog outputs.
• Integrated precision clocking options including internal oscillators and external crystal support.

Applications

• Consumer electronics requiring low pin-count system integration
• Industrial equipment control systems
• Automotive instrumentation modules

Procurement Notes

Verify silicon revision D compatibility when sourcing this component. Confirm that the specific package variant matches the required board layout constraints. Ensure development tools are aligned with the legacy status of this product line.

Selection Notes

Select this model for designs prioritizing mixed-signal flexibility over raw processing speed. Consider the CY8C27xxx series for new designs due to updated feature sets. Evaluate power consumption requirements against the specified operating voltage range.

Part Context

This component belongs to the PSoC™ 1 family, representing an early generation of programmable system-on-chip technology. It bridges the gap between standard MCUs and complex ASICs by offering hardware configurability.

Replacement Considerations

Officially recommended replacement: CY8C27643. Verify pinout compatibility and software migration paths before substitution.