STMicroelectronics STM8AF6289TAY

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8A
Packaging Tray | NULL
Core Processor STM8A
Core Size 8-Bit
Speed 24MHz
Connectivity I2C, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 52
Program Memory Size 64KB (64K x 8)
Program Memory Type FLASH
EEPROM Size 2K x 8
RAM Size 6K x 8
Voltage - Supply (Vcc/Vdd) 3V ~ 5.5V
Data Converters A/D 16x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package -
Package / Case 64-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM8AF6289TAY from STMicroelectronics is an 8-bit automotive MCU based on the STM8A core, running at 24MHz. It features 64KB flash and 6KB RAM, with a 3V to 5.5V supply range. The 64-LQFP package includes brown-out detect, POR, PWM, and WDT peripherals, making it suitable for automotive body and industrial control applications.

  • Automotive-grade reliability – AEC-Q100 qualified for harsh environments.
  • Wide voltage operation (3V-5.5V) – compatible with automotive battery systems.
  • Integrated safety features (BOR, POR, WDT) – enhances system robustness.
  • 24MHz STM8A core – efficient for real-time control tasks.

Automotive Body Electronics

Designed for AEC-Q100 automotive applications, the STM8A core with 24MHz speed handles window lift, mirror control, and lighting modules.

CAN Bus Nodes

With integrated CAN controller, it enables robust communication in vehicle networks.

Industrial Actuators

PWM outputs and 3-5.5V operation drive solenoids and relays directly.

Power Management Units

Brown-out detection ensures safe state transitions during voltage dips.

Sensor Interfaces

Multiple ADC channels and timers support temperature, pressure, and position sensing.

HVAC Systems

Reliable operation in -40°C to 85°C environments suits automotive HVAC control.

Q: What is the core architecture of the STM8AF6289TAY?
A: It uses the STM8A 8-bit core running at up to 24MHz.
Q: What is the supply voltage range?
A: It operates from 3V to 5.5V.
Q: How much flash and RAM does it have?
A: It provides 64KB flash and 6KB RAM.
Q: What package is this MCU available in?
A: It comes in a 64-pin LQFP package.
Q: What safety features are included?
A: It includes brown-out detect/reset, POR, and WDT.
Base Product Number : STM8AF6289TAY
24MHz 64KB flash 6KB RAM 8-bit MCU automotive body electronics CAN LQFP-64 STM8A STMicroelectronics
Q: What is the core architecture of the STM8AF6289TAY?
A: It uses the STM8A 8-bit core running at up to 24MHz.
Q: What is the supply voltage range?
A: It operates from 3V to 5.5V.
Q: How much flash and RAM does it have?
A: It provides 64KB flash and 6KB RAM.
Q: What package is this MCU available in?
A: It comes in a 64-pin LQFP package.
Q: What safety features are included?
A: It includes brown-out detect/reset, POR, and WDT.