STMicroelectronics STM8AF6223PAAU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.40 | $4.40 |
| 15+ | $1.01 | $15.15 |
| 25+ | $0.99 | $24.75 |
| 50+ | $0.94 | $47.00 |
| 100+ | $0.83 | $83.00 |
| N+ | $0.17 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM8A |
| Packaging | Tube | 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 | 16 |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 640 x 8 |
| RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 5.5V |
| Data Converters | A/D 7x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | Automotive |
| Qualification AEC | AEC-Q100 |
| Mounting Type | Surface Mount |
| Supplier Device Package | 20-TSSOP |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| ROHS |
The STM8AF6223PAAU from STMicroelectronics is an 8-bit automotive-grade microcontroller featuring a robust STM8A core at 16MHz. It provides 8KB flash and 1KB RAM in a compact 20-TSSOP package. With integrated brown-out reset, power-on reset, PWM, and watchdog timer, it ensures dependable operation across 3V to 5.5V supplies and -40°C to 85°C temperatures, making it ideal for safety-critical embedded control.
- Automotive-grade reliability: AEC-Q100 qualified with brown-out detect and POR for harsh environments.
- Compact 20-TSSOP: Saves PCB space while offering 20 I/O pins for peripheral integration.
- Wide voltage range (3V-5.5V): Directly interfaces with standard automotive and industrial power supplies.
- Integrated WDT: Enhances system safety by preventing software lockups in real-time control.
Automotive Body Control Modules
The 3V-5.5V supply and 16MHz STM8A core handle window lift and light control logic with robust WDT for fail-safe operation.
Industrial Sensor Interfaces
With 8KB flash and 1KB RAM, it processes analog sensor data via PWM outputs, ideal for temperature or pressure transmitters.
Power Management Units
Brown-out detect and POR ensure clean startup/shutdown sequencing in 24V industrial power supplies.
HVAC Actuator Controllers
The 20-TSSOP package fits compact damper actuators, while 16MHz speed supports real-time position feedback loops.
Portable Medical Monitors
Low-power features and -40°C to 85°C range enable battery-operated patient monitors with reliable reset behavior.
Smart Grid Metering
WDT and PWM capabilities support pulse counting and tamper detection in energy meters operating from 3.3V rails.
- Q: What is the operating voltage range of the STM8AF6223PAAU?
- A: It operates from 3V to 5.5V, making it suitable for automotive and industrial power rails.
- Q: What package is available?
- A: It comes in a 20-TSSOP (4.40mm width) package, ideal for space-constrained PCBs.
- Q: Does it include a watchdog timer?
- A: Yes, it features a WDT along with brown-out reset and POR for reliable operation.
- Q: What is the maximum CPU speed?
- A: The STM8A core runs at up to 16MHz, providing balanced performance for control tasks.
- Q: What memory does it have?
- A: It has 8KB flash program memory and 1KB RAM.
- Q: What is the operating voltage range of the STM8AF6223PAAU?
- A: It operates from 3V to 5.5V, making it suitable for automotive and industrial power rails.
- Q: What package is available?
- A: It comes in a 20-TSSOP (4.40mm width) package, ideal for space-constrained PCBs.
- Q: Does it include a watchdog timer?
- A: Yes, it features a WDT along with brown-out reset and POR for reliable operation.
- Q: What is the maximum CPU speed?
- A: The STM8A core runs at up to 16MHz, providing balanced performance for control tasks.
- Q: What memory does it have?
- A: It has 8KB flash program memory and 1KB RAM.

STM8AF6223PAAU.pdf