C8051F986-C-GUR

Overview

The C8051F986-C-GUR is an 8-bit microcontroller from the Silicon Labs C8051F9xx series, featuring a CIP-51 core. It integrates 8KB of Flash memory and 512 bytes of RAM within a 24-pin QSOP package. The device supports a maximum clock frequency of 25MHz and operates on a supply voltage range of 1.8V to 3.6V. Key peripherals include a 10-channel 12-bit ADC, enhanced SPI, UART, and I2C/SMBus interfaces. It offers low-power modes with sleep currents as low as 10nA and includes capacitive sensing capabilities.

Feature Summary

• Integrates a high-performance CIP-51 8051-compatible core with up to 25MHz operation speed.
• Includes a 10-channel 12-bit analog-to-digital converter for precise signal acquisition.
• Supports multiple communication protocols including Enhanced SPI, UART, and SMBus/I2C.
• Features ultra-low power consumption with sleep mode current down to 10nA.

Applications

• Battery-powered portable devices requiring extended operational life
• Industrial control systems utilizing capacitive sensing interfaces
• Data acquisition systems needing multi-channel analog input processing

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and moisture sensitivity level (MSL 3) prior to assembly. Check for end-of-life notifications or production change notices that may affect long-term availability. Ensure packaging specifications match design requirements for surface-mount placement.

Selection Notes

Select this model when a balance of moderate Flash capacity and rich analog peripherals is required in a compact 24-pin form factor. Consider the 1.8V to 3.6V operating range for compatibility with low-voltage logic levels. Evaluate the 12-bit ADC resolution against application accuracy needs compared to lower-resolution alternatives in the same family.

Part Context

This component belongs to the C8051F9xx series of ultra-low power mixed-signal microcontrollers. It shares architectural similarities with other members like the C8051F989 but differs in specific memory sizes and peripheral configurations. The series is designed for applications demanding high integration and low power consumption in space-constrained environments.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and register compatibility if considering alternative packages such as QFN variants within the same series.