C8051F860-C-IS

Overview

The C8051F860-C-IS is an 8-bit microcontroller from the Silicon Labs C8051F85x/86x family, featuring a high-speed CIP-51 core operating at up to 25 MHz. It integrates 8 kB of in-system programmable Flash memory and 512 Bytes of RAM. The device includes a 12-bit ADC with up to 16 input channels, two analog comparators, and communication peripherals such as UART, I2C/SMBus, and SPI. Operating within a supply voltage range of 2.2 V to 3.6 V, it supports industrial temperature ranges (-40°C to +125°C) and is housed in a 16-pin SOIC package.

Feature Summary

• High-performance CIP-51 core with pipelined architecture delivering up to 25 MIPS throughput
• Integrated mixed-signal capabilities including a 12-bit ADC and dual analog comparators
• On-chip debug circuitry enabling full-speed, non-intrusive system debugging without external emulators
• Comprehensive peripheral set including multiple timers, PWM units, and standard serial interfaces

Applications

• Motor control systems
• Battery chargers
• Optical communications modules
• Electronic toys and games

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix '-IS' corresponds to the industrial temperature grade and 16-pin SOIC package variant. Check for current availability status as this series may be subject to lifecycle changes. Ensure compatibility with existing design specifications regarding voltage levels and pin configurations before procurement.

Selection Notes

Select this model when an 8-bit MCU with integrated analog peripherals is required for cost-sensitive applications. The C8051F860-C-IS offers sufficient Flash and RAM for moderate complexity logic while providing necessary communication interfaces. Consider the industrial temperature rating if operation in harsh environments is expected. Evaluate power consumption requirements against the specified normal and idle mode currents to ensure battery life or thermal constraints are met.

Part Context

This component belongs to the C8051F85x/86x low-cost 8-bit MCU family from Silicon Labs. These devices are designed as system-on-chip solutions, integrating essential analog and digital peripherals to reduce board space and component count. The family shares a common instruction set and development environment, facilitating migration between different memory and package variants within the same product line.

Replacement Considerations

Public confirmed substitute part numbers: EFM8BB51F8I-C-QFN20R

FAQ

What is the maximum system clock frequency for the C8051F860-C-IS?

The maximum system clock frequency is 25 MHz.

Does the C8051F860-C-IS support in-system programming?

Yes, the Flash memory is in-system programmable in 512-byte sectors.

What is the operating temperature range for the -IS suffix variant?

The -IS suffix indicates an industrial grade device with an operating ambient temperature range of –40°C to +125°C.