# ATTINY43U-MU (Component)
## Description
AVR AVR® ATtiny Microcontroller IC 8-Bit 8MHz 4KB (2K x 16) FLASH 20-QFN-EP (4x4) #CommonPartsLibrary #Microcontroller #Attiny43
## Component Details
- **Owner:** adrian95
- **Created:** 1/25/2022
- **Last Updated:** 5/2/2023
- **Visibility:** Public
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Manufacturer Part Number:** ATTINY43U-MU
- **Datasheet URL:** https://ww1.microchip.com/downloads/en/DeviceDoc/8048S.pdf
- **Part Type:** Microcontroller
- **Manufacturer Name:** Microchip
## 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/attiny43u-mu/microchip-technology.html?utm_currency=USD®ion=nac) | $2.322 | 1 |
| [Digi-Key](https://www.digikey.com/en/products/detail/microchip-technology/ATTINY43U-MU/1914702) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C614140.html) | $4.4826 | 100 |
| [Mouser](https://www.mouser.com/en/ProductDetail/Microchip-Technology/ATTINY43U-MU?qs=iKytVS9glgbxkLAaJMNr7Q%3D%3D) | N/A | N/A |
| [Verical](https://www.verical.com/pd/microchip-technology-microcontroller-ATTINY43U-MU-3443816?utm_currency=USD) | $2.5801 | 110 |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Microchip
- **MPN:** ATTINY43U-MU
- **Package / Case Code:** 20-QFN
- **Pin Count:** 21
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | PB2 | |
| 2 | PB3 | |
| 3 | PB4 | |
| 4 | PB5 | |
| 5 | PB6 | |
| 6 | PB7 | |
| 7 | VCC | |
| 8 | GND | |
| 9 | LSW | |
| 10 | VBAT | |
| 11 | PA0 | |
| 12 | PA1 | |
| 13 | PA2 | |
| 14 | PA3 | |
| 15 | PA4 | |
| 16 | PA5 | |
| 17 | PA6 | |
| 18 | ~RESET~/PA7 | |
| 19 | PB0 | |
| 20 | PB1 | |
| 21 | GND | |
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*Generated from [https://www.flux.ai/adrian95/attiny43u-mu~fen](https://www.flux.ai/adrian95/attiny43u-mu~fen)*