# STM32L031E4Y6TR (Component)
## Description
ARM® Cortex®-M0+ series Microcontroller IC 32-Bit 32MHz 16KB (16K x 8) FLASH 25-WLCSP
#Microcontrollers #stm32
#commonpartslibrary
## Component Details
- **Owner:** vasyl
- **Created:** 4/13/2021
- **Last Updated:** 1/9/2023
- **Visibility:** Public
- **Part Type:** Microcontroller
- **Datasheet URL:** http://www.st.com/content/ccc/resource/technical/document/datasheet/aa/5d/77/ad/1a/59/4a/b9/DM00140359.pdf/files/DM00140359.pdf/jcr:content/translations/en.DM00140359.pdf
- **Manufacturer Name:** STMicroelectronics
- **Manufacturer Part Number:** STM32L031E4Y6TR
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/stm32l031e4y6tr/stmicroelectronics.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [Digi-Key](https://www.digikey.com/en/products/detail/stmicroelectronics/STM32L031E4Y6TR/6166971) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C2054269.html) | $1.877 | 0 |
| [Mouser](https://www.mouser.com/en/ProductDetail/STMicroelectronics/STM32L031E4Y6TR?qs=dTJS0cRn7ohvfx4ZFkIR%2FA%3D%3D) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** STMicroelectronics
- **MPN:** STM32L031E4Y6TR
- **Package / Case Code:** WLCSP
- **Pin Count:** 25
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| A1 | PA13 | |
| A2 | PA14 | |
| A3 | PB6 | |
| A4 | PB7 | |
| A5 | BOOT0 | |
| B1 | PA9 | |
| B2 | PB3 | |
| B3 | PA4 | |
| B4 | PA1 | |
| B5 | PC14 | |
| C1 | PA8 | |
| C2 | PA10 | |
| C3 | PA7 | |
| C4 | VDDA | |
| C5 | PC15 | |
| D1 | VDD | |
| D2 | PB1 | |
| D3 | PA5 | |
| D4 | PA2 | |
| D5 | NRST | |
| E1 | VSSA | |
| E2 | PB0 | |
| E3 | PA6 | |
| E4 | PA3 | |
| E5 | PA0 | |
---
*Generated from [https://www.flux.ai/vasyl/stm32l031e4y6tr~9lp](https://www.flux.ai/vasyl/stm32l031e4y6tr~9lp)*