EFM8SB20F32G-B-QFN24R The Silicon Labs EFM8SB20F32G-B-QFN24R is an 8-bit microcontroller from the Sleepy Bee family. It offers a comprehensive feature set in a small package, making it suitable for battery-operated applications.
Mfr Part #:

EFM8SB20F32G-B-QFN24R

Available from 3 distributors
Mfr Name: Silicon Labs
Silicon Labs
The Silicon Labs EFM8SB20F32G-B-QFN24R is an 8-bit microcontroller from the Sleepy Bee family. It offers a comprehensive feature set in a small package, making it suitable for battery-operated applications.
✓ Total Stock: 161,555 pcs

EFM8SB20F32G-B-QFN24R Available from 3 distributors

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EFM8SB20F32G-B-QFN24R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
Lead Spacing
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
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EFM8SB20F32G-B-QFN24R Description

Short technical summary and product information.

The EFM8SB20F32G-B-QFN24R, part of Silicon Labs' Sleepy Bee family, is an energy-friendly 8-bit microcontroller designed for low-power applications. It features a CIP-51 8051 core operating at up to 25 MHz, with 32KB of FLASH program memory and 4.25KB of RAM.

 

This microcontroller boasts innovative low-energy techniques, including a lowest MCU sleep current of 50 nA with brownout detection and active current of 170 μA/MHz. It offers ultra-fast wake-up times of less than 2 μs for digital and analog peripherals. The device operates within a voltage range of 1.8V to 3.6V and has an operating temperature range of -40°C to 85°C.

 

Key peripherals include 15 channels of 10-bit Analog-to-Digital converters, I²C, SMBus, SPI, and UART/USART communication interfaces. It also includes essential peripherals like a Brown-out Detect/Reset circuit, Power-On Reset (POR), Pulse Width Modulation (PWM), and a Watchdog Timer (WDT). The EFM8SB20F32G-B-QFN24R is supplied in a compact 24-QFN (4x4) package, suitable for surface mounting.

 

Its energy-efficient design makes it well-suited for battery-operated consumer electronics, hand-held devices, industrial controls, and sensor interfaces where power consumption is critical.

EFM8SB20F32G-B-QFN24R Quick Information

Product Type: Microcontroller
Canonical Name: EFM8SB20F32G-B-QFN24R Microcontroller
Subcategory: Embedded

EFM8SB20F32G-B-QFN24R Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

EFM8SB20F32G-B-QFN24R Features

  • Energy-friendly 8-bit microcontroller for low power.
  • Lowest MCU sleep current at 50 nA.
  • Ultra-fast wake up time under 2 μs.
  • 32KB Flash and 4.25KB RAM.
  • Compact 24-QFN package for surface mounting.

EFM8SB20F32G-B-QFN24R Applications

  • Ideal for battery-operated devices.
  • Suitable for hand-held electronics.
  • Used in industrial control systems.
  • Effective for sensor interface applications.

EFM8SB20F32G-B-QFN24R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the EFM8SB20F32G-B-QFN24R?

The operating voltage range is 1.8V to 3.6V.

What package type is the EFM8SB20F32G-B-QFN24R supplied in?

It is supplied in a 24-QFN (4x4) package suitable for surface mounting.

What is the operating temperature range for this microcontroller?

The operating temperature range is -40°C to 85°C (TA).

What is the program memory size and type?

It has 32KB of FLASH program memory.

What is the RAM size of the EFM8SB20F32G-B-QFN24R?

The RAM size is 4.25K x 8.

What is the core processor and speed?

It features a CIP-51 8051 core processor running at 25 MHz.

What are the key energy-saving features?

It offers a lowest MCU sleep current of 50 nA with brownout detection, active current of 170 μA/MHz, and ultra-fast wake-up times under 2 μs.

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