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STMicroelectronics STM8L151K6U3 — Microcontrollers & Processors (MCU / MPU / DSP)

ST STM8L151K6U3 8-bit MCU, 32KB Flash, 16MHz, -40 to 125°C

MPNSTM8L151K6U3
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STMicroelectronics STM8L EnergyLite series, 8-bit MCU, STM8L151K6U3, 32KB Flash, 2K x 8 RAM, 1K x 8 EEPROM, 16MHz, 1.8V-3.6V, -40°C to 125°C, 30 I/O, 32-UFQFN Exposed Pad.

$1.6982Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

STM8L151K6U3 specifications
ParameterValue
SeriesSTM8L EnergyLite
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.8V ~ 3.6V
Operating temperature-40°C ~ 125°C (TA)
Speed16MHz
PackageTray
RAM size2K x 8
Core size8-Bit
EEPROM size1K x 8
PeripheralsBrown-out Detect/Reset, DMA, IR, POR, PWM, WDT
ConnectivityI²C, IrDA, SPI, UART/USART
Number of i (O)30
Core processorSTM8
Case32-UFQFN Exposed Pad
Data convertersA/D 22x12b; D/A 1x12b
Program memory size32KB (32K x 8)

Product details

EnergyLite 8-bit MCU for extended-temperature designs

It carries 32 KB of Flash program memory, 2 KB of RAM, and 1 KB of EEPROM.

Peripheral set and analog integration

Additional peripherals such as brown-out detect/reset, DMA, IR, PWM, and a watchdog timer reduce the need for external supervisory or timing components.

Frequently asked questions

What is the flash memory size of STM8L151K6U3?

32 KB (32K x 8) of Flash program memory.

What is STM8L151K6U3's listed speed?

16 MHz core speed.

What is the operating temperature range of STM8L151K6U3?

-40°C to 125°C, suitable for industrial and automotive under-hood environments.