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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8L EnergyLite
Packaging Tray | Tray
Core Processor STM8
Core Size 8-Bit
Speed 16MHz
Connectivity I2C, SPI, UART/USART
Peripherals Infrared, POR, PWM, WDT
Number of I/O 18
Program Memory Size 8KB (8K x 8)
Program Memory Type FLASH
EEPROM Size 2K x 8
RAM Size 1.5K x 8
Voltage - Supply (Vcc/Vdd) 1.65V ~ 3.6V
Data Converters -
Oscillator Type Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Supplier Device Package 20-TSSOP
Package / Case 20-TSSOP (0.173", 4.40mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM8L101F3P3 is an ultra-low-power 8-bit MCU with a 16MHz STM8 core, 8KB flash, and 1.5K x 8 RAM. It features an infrared interface, POR, PWM, and WDT in a 20-TSSOP package. With a 1.65V-3.6V supply range and -40°C to 125°C operation, it is perfect for battery-powered and high-temperature applications.

  • Ultra-Low Voltage Operation: Down to 1.65V, extending battery life in portable devices.
  • High-Temperature Tolerance: Up to 125°C for demanding industrial environments.
  • Integrated Infrared Interface: Reduces external components for IR communication.
  • Compact TSSOP-20: Suitable for miniaturized designs.

Battery-Powered Sensor Node

With 1.65V minimum supply and low-power modes, it can run for years on a coin cell in wireless sensors.

IR Remote Control

The integrated infrared interface simplifies encoding and transmission for TV or AC remotes.

High-Temperature Industrial Probe

Operating up to 125°C, it can be placed near engines or furnaces for temperature monitoring.

Portable Medical Thermometer

Low voltage and small package make it ideal for handheld health devices.

Smart Wearable

The 1.5K RAM and low power enable simple fitness trackers with LED indicators.

Automotive Interior Lighting

With 125°C rating, it can control ambient lighting in vehicle cabins.

Q: What is the supply voltage range?
A: It operates from 1.65V to 3.6V, ideal for battery-powered devices.
Q: What is the maximum operating temperature?
A: It can operate up to 125°C, suitable for harsh environments.
Q: Does it support infrared?
A: Yes, it has an infrared interface for remote control applications.
Q: How much RAM does it have?
A: It has 1.5K x 8 bytes of RAM.
Q: What is the package?
A: It comes in a 20-TSSOP package.
Base Product Number : STM8L101F3
16MHz 8-bit MCU 8KB flash battery high temp infrared low power STM8 core STM8L101F3P3 TSSOP-20
Q: What is the supply voltage range?
A: It operates from 1.65V to 3.6V, ideal for battery-powered devices.
Q: What is the maximum operating temperature?
A: It can operate up to 125°C, suitable for harsh environments.
Q: Does it support infrared?
A: Yes, it has an infrared interface for remote control applications.
Q: How much RAM does it have?
A: It has 1.5K x 8 bytes of RAM.
Q: What is the package?
A: It comes in a 20-TSSOP package.