STMicroelectronics STM8AF6266UCY
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.60 | $7.60 |
| 15+ | $1.75 | $26.25 |
| 25+ | $1.71 | $42.75 |
| 50+ | $1.62 | $81.00 |
| 100+ | $1.43 | $143.00 |
| N+ | $0.29 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM8A |
| Packaging | Tray | NULL |
| Core Processor | STM8A |
| Core Size | 8-Bit |
| Speed | 16MHz |
| Connectivity | I2C, LINbus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 25 |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 5.5V |
| Data Converters | A/D 7x10b |
| 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 | 32-VFQFN Exposed Pad |
| ROHS |
The STMicroelectronics STM8AF6266UCY is an 8-bit MCU based on the STM8A core, running at 16MHz. It offers 32KB flash and 2KB RAM in a 32-VFQFN exposed pad package. Operating from 3V to 5.5V, it integrates brown-out detect/reset, POR, PWM, and WDT, making it a robust choice for automotive and industrial applications demanding high temperature tolerance.
- High-temperature operation: -40°C to 125°C suits extreme automotive environments.
- Brown-out detection: Ensures safe operation during power supply dips.
- Exposed pad package: Improves thermal performance for power-intensive applications.
- Cost-effective 8-bit core: Provides sufficient performance for control tasks at lower cost.
Automotive Sensor Modules
The 125°C rating and brown-out detection make it ideal for engine bay sensors, while the 16MHz core handles signal conditioning.
Industrial Valve Controllers
With PWM and WDT, the MCU controls proportional valves reliably, and the exposed pad package aids thermal dissipation.
Power Tool Safety Circuits
The STM8A core's deterministic interrupt response ensures quick shutdown in overcurrent conditions.
LED Lighting Drivers
The 3-5.5V supply and PWM outputs drive LED strings in automotive lighting, with POR ensuring clean startup.
HVAC Compressor Protection
Brown-out reset prevents erratic behavior during voltage dips, and the 32-VFQFN package fits space-constrained control boards.
Motorcycle Engine Control Units
The extended temperature range and robust WDT support reliable operation in vibration-prone environments.
- Q: What is the core architecture of the STM8AF6266UCY?
- A: It uses the STM8A core running at 16MHz.
- Q: What is the flash memory size?
- A: It has 32KB flash and 2KB RAM.
- Q: What is the supply voltage range?
- A: It operates from 3V to 5.5V.
- Q: What package is available?
- A: It comes in a 32-VFQFN exposed pad package.
- Q: What are the key safety features?
- A: It includes brown-out detect/reset, POR, PWM, and WDT.
- Q: What is the core architecture of the STM8AF6266UCY?
- A: It uses the STM8A core running at 16MHz.
- Q: What is the flash memory size?
- A: It has 32KB flash and 2KB RAM.
- Q: What is the supply voltage range?
- A: It operates from 3V to 5.5V.
- Q: What package is available?
- A: It comes in a 32-VFQFN exposed pad package.
- Q: What are the key safety features?
- A: It includes brown-out detect/reset, POR, PWM, and WDT.

STM8AF6266UCY.pdf