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STMicroelectronics STM8S207S8T3CTR — Microcontrollers & Processors (MCU / MPU / DSP)

STM8S207S8T3CTR STM8 8-bit MCU, 24 MHz, 64 KB Flash, 44-LQFP

MPNSTM8S207S8T3CTR
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STMicroelectronics STM8S series, STM8S207S8T3CTR, 8-bit MCU, 24 MHz, 64 KB Flash, 6K x 8 RAM, 1.5K x 8 EEPROM, 34 I/O, I²C/SPI/UART/LINbus, A/D 9x10b, -40°C to 125°C, 44-LQFP.

$2.4528Ref. price · indicative, final on quote
STMicroelectronics STM8S207S8T3CTR datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

STM8S207S8T3CTR specifications
ParameterValue
SeriesSTM8S
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))2.95V ~ 5.5V
Operating temperature-40°C ~ 125°C (TA)
Speed24MHz
PackageTape & Reel (TR)
RAM size6K x 8
Core size8-Bit
EEPROM size1.5K x 8
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
ConnectivityI²C, IrDA, LINbus, SPI, UART/USART
Number of i (O)34
Core processorSTM8
Case44-LQFP
Data convertersA/D 9x10b
Program memory size64KB (64K x 8)

Product details

An 8-bit workhorse for the industrial floor

The STM8S207S8T3CTR is an 8-bit microcontroller from STMicroelectronics' STM8S family, built around the STM8 core running at 24 MHz. It packs 64 KB of program Flash, 6 KB of RAM, and 1.5 KB of EEPROM — enough for moderate firmware and data logging without external memory.

Peripheral set that saves board space

Housed in a 44-pin LQFP with a 10x10 mm body, the STM8S207S8T3CTR is a surface-mount part with 34 general-purpose I/O lines brought out.

No last-time-buy window to chase, no end-of-life scramble for a production BOM that's already qualified.

Frequently asked questions

What is STM8S207S8T3CTR's maximum frequency?

The core runs at 24 MHz, which sets the instruction throughput and the maximum rate for the on-chip peripherals like the ADC and timer PWM.

What is the closest pin-compatible alternative in the STM8S family?

Within the STM8S207 value line, density variants share the same 44-LQFP footprint and peripheral set, differing only in Flash and RAM size. The exact pin-compatible sibling depends on the required memory; check the STM8S207x8 vs STM8S207xB datasheets for the specific Flash/RAM crossover.