CY8C27643-24LFXIT

Overview

The CY8C27643-24LFXIT is an 8-bit microcontroller from the Infineon PSoC Mixed Signal Array family, utilizing the M8C CPU 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 up to 44 digital I/O pins and offers extensive analog capabilities with 12 configurable analog blocks. The component is housed in a 48-pin SSOP package and is rated for industrial temperatures between -40°C and +85°C.

Feature Summary

• Configurable mixed-signal architecture allowing custom peripheral creation via programmable analog and digital blocks.
• M8C processor core providing Harvard architecture processing with speeds up to 24 MHz.
• Flexible GPIO configuration supporting multiple drive modes and interrupt generation on all pins.
• Integrated system resources including low voltage detection, watchdog timers, and precision voltage references.

Applications

• Consumer electronics requiring mixed-signal processing
• Industrial equipment control systems
• Communications interface modules
• Computation devices needing programmable logic

Procurement Notes

Verify component authenticity through authorized distributors or official manufacturer channels. Confirm RoHS compliance status as indicated in current documentation. Check for end-of-life notifications or obsolescence notices prior to procurement. Ensure packaging specifications match project requirements for surface mount assembly.

Selection Notes

Select this component when design flexibility is required over fixed-function microcontrollers. Consider the PSoC architecture for applications needing customized analog and digital peripherals. Evaluate pin count and memory requirements against the specific 16 KB Flash and 256 Byte SRAM limits. Assess thermal and voltage constraints against the specified industrial operating range.

Part Context

This part belongs to the CY8C27x43 series of PSoC devices, designed to replace multiple traditional MCU-based components with a single chip. The family emphasizes design flexibility by combining configurable logic with standard microcontroller features. It targets markets such as consumer, computation, communications, automotive, and industrial equipment.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing designs if considering alternative PSoC family members with similar pin counts and memory sizes.