STMicroelectronics STM8AL3146TAY

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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 ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 32-LQFP (7x7)
Package / Case 32-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM8AL3146TAY is a low-power 8-bit STM8 microcontroller with 16KB Flash and 2KB SRAM. Running at 16MHz and from 1.65V to 3.6V, it integrates Brown-out Reset, DMA, POR, PWM, and WDT. The 32-LQFP package is suitable for automotive and industrial control.

  • Ultra-low voltage operation: 1.65V minimum enables energy harvesting designs.
  • Integrated DMA: Reduces CPU load for data-intensive tasks.
  • Automotive-grade temperature: -40°C to 85°C for vehicle environments.
  • Compact LQFP-32: Balances pin count and board space.

Automotive Body Control Modules

The 1.65V-3.6V range and -40°C to 85°C rating support door lock and window control in vehicles.

Industrial Sensor Hubs

With 16KB Flash and DMA, it can aggregate data from multiple analog sensors in factory monitoring systems.

Portable Gas Detectors

Low voltage operation and WDT ensure safe, continuous monitoring in handheld safety equipment.

Smart Lighting Ballasts

PWM channels enable dimming control for LED drivers in commercial lighting.

Medical Infusion Pumps

Reliable POR and Brown-out Reset ensure safe operation in critical healthcare devices.

Consumer Robotics

The 16MHz speed and 2KB RAM support basic obstacle avoidance algorithms in toy robots.

Q: What core does the STM8AL3146TAY use?
A: It is based on the STM8 core, an 8-bit architecture with advanced instruction set for efficient control.
Q: What is the maximum clock frequency?
A: The MCU operates at up to 16MHz.
Q: How much Flash and RAM are available?
A: It offers 16KB of Flash and 2KB of SRAM.
Q: What is the supply voltage range?
A: It operates from 1.65V to 3.6V, ideal for low-power applications.
Q: What package is this part in?
A: It comes in a 32-LQFP package.
Base Product Number : STM8AL3146
16KB Flash 16MHz 2KB RAM 8-bit automotive DMA low-power LQFP-32 MCU PWM STM8
Q: What core does the STM8AL3146TAY use?
A: It is based on the STM8 core, an 8-bit architecture with advanced instruction set for efficient control.
Q: What is the maximum clock frequency?
A: The MCU operates at up to 16MHz.
Q: How much Flash and RAM are available?
A: It offers 16KB of Flash and 2KB of SRAM.
Q: What is the supply voltage range?
A: It operates from 1.65V to 3.6V, ideal for low-power applications.
Q: What package is this part in?
A: It comes in a 32-LQFP package.