STMicroelectronics STM8AF5268TCY

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8A
Packaging Tray |
Core Processor STM8A
Core Size 8-Bit
Speed 24MHz
Connectivity CANbus, I2C, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 38
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
EEPROM Size 1K x 8
RAM Size 6K x 8
Voltage - Supply (Vcc/Vdd) 3V ~ 5.5V
Data Converters A/D 10x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade Automotive
Qualification AEC AEC-Q100
Mounting Type Surface Mount
Supplier Device Package -
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM8AF5268TCY is an 8-bit automotive-grade microcontroller from STMicroelectronics. It features a robust STM8A core running at 24MHz with 32KB Flash and 6KB RAM in a 48-LQFP package. Operating from 3V to 5.5V, it is designed for high-reliability applications requiring extended temperature ranges up to 125°C. Integrated safety features include brown-out detection, POR, PWM, and watchdog timer. Its 5V compatibility and rugged design make it ideal for automotive and industrial control systems.

  • Automotive-grade temperature range: Reliable from -40°C to 125°C.
  • 5V operation: Directly compatible with legacy automotive and industrial logic.
  • High EMC robustness: Designed for noisy environments.
  • 24MHz 8-bit core: Efficient for control tasks with low power consumption.
  • Large RAM (6KB): Supports complex real-time control algorithms.

Automotive Body Control Modules

With 125°C rating and 5V operation, it directly interfaces with automotive relays and switches.

Industrial Motor Drives

24MHz speed and PWM outputs enable efficient control of 3-phase induction motors.

Power Tools

Robust brown-out detection and wide voltage range handle battery voltage sag during high load.

HVAC Controllers

6KB RAM supports complex control algorithms for compressors and fans.

Off-Road Vehicle Electronics

Extended temperature range ensures reliable operation in engine compartments.

Smart Grid Meters

5V logic simplifies interfacing with power-line communication modules.

Q: What core does the STM8AF5268TCY use?
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, ideal for automotive and industrial 5V systems.
Q: How much memory is available?
A: It has 32KB Flash and 6KB RAM.
Q: What is the operating temperature range?
A: It is rated for -40°C to 125°C, suitable for harsh environments.
Q: What package is this?
A: It comes in a 48-pin LQFP package.
Base Product Number : STM8AF5268
24MHz 32KB Flash 5V 6KB RAM 8-bit MCU automotive industrial LQFP-48 PWM STM8A core STM8AF WDT
Q: What core does the STM8AF5268TCY use?
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, ideal for automotive and industrial 5V systems.
Q: How much memory is available?
A: It has 32KB Flash and 6KB RAM.
Q: What is the operating temperature range?
A: It is rated for -40°C to 125°C, suitable for harsh environments.
Q: What package is this?
A: It comes in a 48-pin LQFP package.