STMicroelectronics STM8AL3146TCY

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8A
Packaging Tray | NULL
Core Processor STM8
Core Size 8-Bit
Speed 16MHz
Connectivity I2C, IrDA, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O 30
Program Memory Size 16KB (16K x 8)
Program Memory Type FLASH
EEPROM Size 1K x 8
RAM Size 2K x 8
Voltage - Supply (Vcc/Vdd) 1.65V ~ 3.6V
Data Converters A/D 22x12b; D/A 1x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade Automotive
Qualification AEC AEC-Q100
Mounting Type Surface Mount
Supplier Device Package 32-LQFP (7x7)
Package / Case 32-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM8AL3146TCY is an 8-bit automotive-grade MCU from STMicroelectronics. Running at 16MHz, it offers 16KB flash and 2KB RAM. With a supply range of 1.65-3.6V and operation from -40°C to 125°C, it integrates DMA, PWM, and robust reset features in a 32-LQFP package. Designed for low-power and high-reliability systems.

  • Automotive temperature range: -40 to 125°C ensures reliability in extreme conditions.
  • Low-voltage operation: 1.65V minimum supports single-cell battery designs.
  • Compact 32-LQFP: Saves PCB space for space-constrained modules.
  • Integrated safety features: WDT and brown-out reset enhance system robustness.

Automotive Lighting Control

16MHz STM8 core with 125°C rating handles LED PWM dimming in engine bays.

Battery Management System

1.65V minimum voltage allows direct operation from single-cell batteries with monitoring.

Industrial Actuator

DMA and PWM provide precise timing for valve control in harsh environments.

Smart Sensor Interface

Small 32-LQFP package and low power enable distributed sensing in building automation.

Portable Instrumentation

WDT and brown-out reset ensure reliable data logging in field devices.

Q: What is the core architecture?
A: STM8 8-bit core at 16MHz.
Q: What voltage does it need?
A: 1.65V to 3.6V, ideal for low-power applications.
Q: What is the temperature range?
A: -40°C to 125°C, suitable for automotive.
Q: How much memory is available?
A: 16KB flash and 2KB RAM.
Base Product Number : STM8AL3146
-40 to 125C 16MHz 8-bit MCU automotive DMA low power LQFP-32 PWM STM8 core
Q: What is the core architecture?
A: STM8 8-bit core at 16MHz.
Q: What voltage does it need?
A: 1.65V to 3.6V, ideal for low-power applications.
Q: What is the temperature range?
A: -40°C to 125°C, suitable for automotive.
Q: How much memory is available?
A: 16KB flash and 2KB RAM.