STMicroelectronics STM32L422CBT6

Skip to product information
1 of 1
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Regular price $4.52
Regular price $3.23 Sale price $4.52
Sale Sold out
Quantity Unit Price Total Price
1 $4.52 $4.52
15+ $2.97 $44.55
25+ $2.91 $72.75
50+ $2.75 $137.50
100+ $2.42 $242.00
N+ $0.48 Price Inquiry
Shipping calculated at checkout.
Quantity
Component Recycling

Request Quote / Inquiry

Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32L4
Packaging Tray |
Core Processor ARM® Cortex®-M4
Core Size 32-Bit Single-Core
Speed 80MHz
Connectivity I2C, Infrared, IrDA, LINbus, Quad SPI, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, PWM, WDT
Number of I/O 38
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 40K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 10x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-LQFP (7x7)
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L422CB is an ultra-low-power 32-bit MCU from STMicroelectronics. It features an ARM Cortex-M4 core at 80MHz with 128KB flash and 40KB SRAM. Operating from 1.71V to 3.6V, it includes DMA, PWM, and brown-out detection in a 48-LQFP package, ideal for battery-powered and IoT applications.

  • Ultra-low-power architecture extends battery life in portable devices.
  • 80MHz Cortex-M4 with FPU accelerates signal processing tasks.
  • Wide voltage range (1.71-3.6V) supports direct battery connection.
  • Rich analog peripherals reduce external component count.

IoT Edge Nodes

Ultra-low-power modes and 80MHz M4 with DSP instructions enable edge AI inference on sensor data.

Wearable Health Monitors

1.71V operation and 40KB RAM support continuous ECG/PPG processing with long battery life.

Smart Meters

High-speed ADC and low-power RTC make it ideal for utility metering with periodic wake-ups.

Portable Medical Devices

Reliable brown-out detection and 85°C rating ensure safe operation in handheld diagnostics.

Building Automation Controllers

Multiple PWM channels drive HVAC actuators while DMA handles communication stacks.

Industrial Sensor Hubs

80MHz M4 with FPU processes vibration and temperature data in real time for predictive maintenance.

Q: What is the maximum clock speed?
A: 80MHz with ARM Cortex-M4 core.
Q: What is the supply voltage range?
A: 1.71V to 3.6V, supporting battery operation.
Q: How much RAM is available?
A: 40KB SRAM.
Q: What package is offered?
A: 48-LQFP.
Base Product Number : STM32L422CB
128KB flash 32-bit MCU 40KB RAM 80MHz ARM Cortex-M4 IoT LQFP-48 STMicroelectronics ultra-low-power wearable
Q: What is the maximum clock speed?
A: 80MHz with ARM Cortex-M4 core.
Q: What is the supply voltage range?
A: 1.71V to 3.6V, supporting battery operation.
Q: How much RAM is available?
A: 40KB SRAM.
Q: What package is offered?
A: 48-LQFP.