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                                                                                                    1. Home
                                                                                                    2. Semiconductors - ICs
                                                                                                    3. Microcontrollers
                                                                                                    4. ARM Microcontrollers
                                                                                                    Print Page

                                                                                                    STM32L431CCY6TR

                                                                                                    ARM MCU, Ultra Low Power, STM32 Family STM32L4 Series Microcontrollers, ARM Cortex-M4F, 32 bit

                                                                                                    STMICROELECTRONICS
                                                                                                    Image is for illustrative purposes only. Please refer to product description.
                                                                                                    STMICROELECTRONICS STM32L431CCY6TR
                                                                                                    ManufacturerSTMICROELECTRONICS
                                                                                                    Manufacturer Part NoSTM32L431CCY6TR
                                                                                                    Order Code2855685
                                                                                                    Product RangeSTM32 Family STM32L4 Series Microcontrollers
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    See all Technical Docs
                                                                                                    Packaging Options
                                                                                                    22,778 In Stock

                                                                                                    Need more?

                                                                                                    22778 Delivery in 4-6 Business Days(UK stock)
                                                                                                    QuantityPrice
                                                                                                    1+Rs.519.710
                                                                                                    10+Rs.351.130
                                                                                                    25+Rs.311.900
                                                                                                    Price for:Each (Supplied on Cut Tape)
                                                                                                    Minimum: 1
                                                                                                    Multiple: 1
                                                                                                    Rs.519.71
                                                                                                    Line Note
                                                                                                    Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
                                                                                                    This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                                                                                                    Product Information

                                                                                                    STMICROELECTRONICS
                                                                                                    ManufacturerSTMICROELECTRONICS
                                                                                                    Manufacturer Part NoSTM32L431CCY6TR
                                                                                                    Order Code2855685
                                                                                                    Product RangeSTM32 Family STM32L4 Series Microcontrollers
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    Product RangeSTM32 Family STM32L4 Series Microcontrollers
                                                                                                    Device CoreARM Cortex-M4F
                                                                                                    Data Bus Width32 bit
                                                                                                    Data Bus Width32bit
                                                                                                    Operating Frequency Max80MHz
                                                                                                    Program Memory Size256KB
                                                                                                    No. of Pins49Pins
                                                                                                    IC Case / PackageWLCSP
                                                                                                    No. of I/O's39I/O's
                                                                                                    InterfacesCAN, I2C, LPUART, SAI, SPI, USART
                                                                                                    RAM Memory Size64KB
                                                                                                    ADC Channels10Channels
                                                                                                    ADC Resolution12Bit
                                                                                                    Supply Voltage Min1.71V
                                                                                                    Supply Voltage Max3.6V
                                                                                                    Operating Temperature Min-40°C
                                                                                                    Operating Temperature Max85°C
                                                                                                    IC MountingSurface Mount
                                                                                                    MCU FamilySTM32
                                                                                                    MCU SeriesSTM32L4
                                                                                                    Qualification-
                                                                                                    MSLMSL 1 - Unlimited
                                                                                                    SVHCNo SVHC (25-Jun-2025)

                                                                                                    Product Overview

                                                                                                    STM32L431CCY6TR is an ultra-low-power Arm® Cortex®-M4 32bit MCU+FPU. The Cortex-M4 core features a floating point unit (FPU) single precision which supports all Arm® single-precision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security. The STM32L431xx device embeds high-speed memories (flash memory up to 256Kbyte, 64Kbyte of SRAM), a quad SPI flash memories interface (available on all packages) and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32bit multi-AHB bus matrix.

                                                                                                    • Ultra-low-power product type, 256KB of flash memory size
                                                                                                    • 1.71V to 3.6V power supply range
                                                                                                    • 28nA shutdown mode (5 wakeup pins)
                                                                                                    • Batch acquisition mode (BAM), 4µs wakeup from stop mode
                                                                                                    • Brown out reset (BOR), interconnect matrix
                                                                                                    • 4 to 48MHz crystal oscillator, 32KHz crystal oscillator for RTC (LSE)
                                                                                                    • RTC with HW calendar, alarms and calibration
                                                                                                    • Up to 21 capacitive sensing channels support touch key, linear and rotary touch sensors
                                                                                                    • 48 pins LQFP CSP ECOPACK®2 package
                                                                                                    • Industrial temperature range from -40 to 85°C (105°C junction)

                                                                                                    Warnings

                                                                                                    Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

                                                                                                    Technical Specifications

                                                                                                    Product Range

                                                                                                    STM32 Family STM32L4 Series Microcontrollers

                                                                                                    Data Bus Width

                                                                                                    32 bit

                                                                                                    Operating Frequency Max

                                                                                                    80MHz

                                                                                                    No. of Pins

                                                                                                    49Pins

                                                                                                    No. of I/O's

                                                                                                    39I/O's

                                                                                                    RAM Memory Size

                                                                                                    64KB

                                                                                                    ADC Resolution

                                                                                                    12Bit

                                                                                                    Supply Voltage Max

                                                                                                    3.6V

                                                                                                    Operating Temperature Max

                                                                                                    85°C

                                                                                                    MCU Family

                                                                                                    STM32

                                                                                                    Qualification

                                                                                                    -

                                                                                                    SVHC

                                                                                                    No SVHC (25-Jun-2025)

                                                                                                    Device Core

                                                                                                    ARM Cortex-M4F

                                                                                                    Data Bus Width

                                                                                                    32bit

                                                                                                    Program Memory Size

                                                                                                    256KB

                                                                                                    IC Case / Package

                                                                                                    WLCSP

                                                                                                    Interfaces

                                                                                                    CAN, I2C, LPUART, SAI, SPI, USART

                                                                                                    ADC Channels

                                                                                                    10Channels

                                                                                                    Supply Voltage Min

                                                                                                    1.71V

                                                                                                    Operating Temperature Min

                                                                                                    -40°C

                                                                                                    IC Mounting

                                                                                                    Surface Mount

                                                                                                    MCU Series

                                                                                                    STM32L4

                                                                                                    MSL

                                                                                                    MSL 1 - Unlimited

                                                                                                    Technical Docs (2)

                                                                                                    Technical Data Sheet EN

                                                                                                    Product Change Notice EN

                                                                                                    Associated Products

                                                                                                    5 Products Found

                                                                                                    Legislation and Environmental

                                                                                                    Country of Origin:
                                                                                                    Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                    Taiwan
                                                                                                    Country in which last significant manufacturing process was carried out
                                                                                                    Tariff No:85389000
                                                                                                    US ECCN:3A991.a.2
                                                                                                    EU ECCN:NLR
                                                                                                    RoHS Compliant:Yes

                                                                                                    RoHS

                                                                                                    RoHS Phthalates Compliant:Yes

                                                                                                    RoHS

                                                                                                    SVHC:No SVHC (25-Jun-2025)
                                                                                                    Download Product Compliance Certificate

                                                                                                    Product Compliance Certificate

                                                                                                    Weight (kg):.000064
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