32-bit ARM Cortex-M4 MCU, 48MHz, 128KB Flash, 64-pin PBGA Product overview: STM32L431RBY6TR from STMicroelectronics is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include ARM Cortex-M, 32-bit, 48MHz, 128KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, ARM Cortex-M, 32-bit, 48MHz, 128KB. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-STM32L431RBY6TR can be used for catalog matching and distributor lookup.
Win Source Part Number: 1262285-STM32L431RBY
Category: Integrated Circuits (ICs)>Embedded - Microcontrollers
Series: STM32L4
Core Processor: ARM® Cortex®-M4
Speed: 80MHz
Package: Tape & Reel
Standard Package: 5,000
Mounting: SMD (SMT)
Core Size: 32-Bit Single-Core
Connectivity: CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART
Peripherals: Brown-out Detect/Reset, DMA, PWM, WDT
Number of I/O: 52
Program Memory Size: 128KB (128K x 8)
Program Memory Type: FLASH
RAM Size: 64K x 8
Data Converters: A/D 16x12b; D/A 2x12b
Oscillator Type: Internal
Package / Case: 64-UFBGA, WLCSP
Supplier Device Package: 64-WLCSP (3.14x3.13)
Temperature Range - Operating: -40°C ~ 85°C (TA)
Supply Voltage - Operating: 1.71V ~ 3.6V
ECCN: 3A991A2
Fake Threat In the Open Market: 56 pct.
MSL Level: 1 (Unlimited)
REACH Status: REACH Unaffected
HTSUS: 8542.31.0001
Mfr: STMicroelectronics
Other Names: 497-17943-2,497-1794
Base Product Number: STM32L431
ARM® Cortex®-M4 STM32L4 Microcontroller IC 32-Bit Single-Core 80MHz 128KB (128K x 8) FLASH 64-WLCSP (3.14x3.13)
ARM® Cortex®-M4 STM32L4 Microcontroller IC 32-Bit Single-Core 80MHz 128KB (128K x 8) FLASH 64-WLCSP (3.14x3.13)
ARM® Cortex®-M4 STM32L4 Microcontroller IC 32-Bit Single-Core 80MHz 128KB (128K x 8) FLASH 64-WLCSP (3.14x3.13)
IC MCU 32BIT 128KB FLASH 64WLCSP
ARM Microcontrollers - MCU 16/32-BITS MICROS
ARM® Cortex®-M4 STM32L4 Microcontroller IC 32-Bit Single-Core 80MHz 128KB (128K x 8) FLASH 64-WLCSP (3.14x3.13)
IC MCU 32BIT 128KB FLASH 64WLCSP
IC MCU 32BIT 128KB FLASH 64WLCSP
MCU, ARM CORTEX-M4, 80MHZ, WLCSP-64; Product Range:ARM Cortex-M4 Microcontrollers; Architecture:ARM Cortex-M4; No. of Bits:32bit; CPU Speed:80MHz; Program Memory Size:128KB; RAM Memory Size:64KB; No. of Pins:64Pins; MCU Case RoHS Compliant: Yes
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | ODG (Origin Data Global) | VAST STOCK CO., LIMITED | Quarktwin Technology Ltd. | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-STM32L431RBY6TR | 1262285-STM32L431RBY6TR | 497-17943-6-ND | STM32L431RBY6TR | STM32L431RBY6TR | STM32L431RBY6TR | STM32L431RBY6TR | STM32L431RBY6TR | 56AC6752 |
| Product Name | ARM Cortex-M 32-bit 48MHz 128KB Embedded Microcontroller MCU | Integrated Circuits (ICs) - Embedded - Microcontrollers | Microcontrollers | Microcontrollers | ARM Microcontrollers - MCU | Microcontrollers | Embedded - Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Mcu, Arm Cortex-M4, 80Mhz, Wlcsp-64; Product Range Stmicroelectronics |
| Data Bus | 32 Bit | 32 Bit | 32 Bit | 32 Bit | 32 Bit; 32-Bit Single-Core | 32 Bit; 32-Bit | 32 Bit | ||
| Clock Speed | 48 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | ||
| Supply Voltage | 1.71 to ? volts | 1.71 to 3.6 volts | 1.71 to 3.6 volts | 1.71 to 3.6 volts | 3.6 volts | ||||
| Operating Temperature | -40 C (-40 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | |||
| RAM | 128 KB | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
