The STMicroelectronics STM32L433CCY3TR is a 32-bit ARM Cortex-M4 microcontroller from the STM32L4 series, built for low-power operation without sacrificing processing headroom. It runs at 80 MHz and packs 256 KB of Flash program memory and 64 KB of RAM, making it a fit for sensor-fusion nodes, portable instrumentation, and battery-backed control loops where extended temperature range (-40°C to 125°C) is required.
ST STM32L433CCY3TR ARM Cortex-M4 MCU, 80MHz, 256KB Flash
MPNSTM32L433CCY3TR
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ST STM32L4 series, ARM Cortex-M4 32-Bit MCU, 80MHz, 256KB Flash, 64K x 8 RAM, 49-UFBGA WLCSP, -40°C to 125°C, 1.71V to 3.6V supply.
$3.4950Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | STM32L4 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.71V ~ 3.6V |
| Operating temperature | -40°C ~ 125°C (TA) |
| Speed | 80MHz |
| Package | Tape & Reel (TR) |
| RAM size | 64K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, LCD, PWM, WDT |
| Connectivity | CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB |
| Number of i (O) | 39 |
| Core processor | ARM® Cortex®-M4 |
| Case | 49-UFBGA, WLCSP |
| Data converters | A/D 10x12b; D/A 2x12b |
| Program memory size | 256KB (256K x 8) |
Product details
Frequently asked questions
What is STM32L433CCY3TR's listed speed?
The STM32L433CCY3TR is rated for an 80 MHz core clock on the ARM Cortex-M4 processor.
What series does STM32L433CCY3TR belong to?
It is part of the STM32L4 series, ST's ultra-low-power ARM Cortex-M4 family.