# ATMEGA644-20AU (Component)
## Description
AVR series Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-TQFP (10x10) #CommonPartsLibrary #Microcontroller #Atmega644
## Component Details
- **Owner:** adrian95
- **Created:** 7/7/2022
- **Last Updated:** 5/1/2023
- **Visibility:** Public
- **Manufacturer Name:** Microchip
- **Part Type:** Microcontroller
- **Manufacturer Part Number:** ATMEGA644-20AU
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Datasheet URL:** http://www.microchip.com/mymicrochip/filehandler.aspx?ddocname=en590371
## 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/atmega644-20au/microchip-technology.html?utm_currency=USD®ion=nac) | $6.243 | 71 |
| [Digi-Key](https://www.digikey.com/en/products/detail/microchip-technology/ATMEGA644-20AU/1008681) | $6.86 | 2.9K |
| [LCSC](https://www.lcsc.com/product-detail/C1337213.html) | $39.0823 | 5 |
| [Mouser](https://www.mouser.com/ProductDetail/Microchip-Technology/ATMEGA644-20AU?qs=8jWQYweyg6PRZsavNpmTtA%3D%3D) | $6.86 | 3.6K |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=ATMEGA644-20AU) | $7.29 | 160 |
| [Verical](https://www.verical.com/pd/microchip-technology-microcontroller-ATMEGA644-20AU-2627659?utm_currency=USD) | $6.143 | 116 |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Microchip
- **MPN:** ATMEGA644-20AU
- **Package / Case Code:** 44-TQFP
- **Pin Count:** 44
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | PB5 | |
| 2 | PB6 | |
| 3 | PB7 | |
| 4 | ~RESET | |
| 5 | VCC | |
| 6 | GND | |
| 7 | XTAL2 | |
| 8 | XTAL1 | |
| 9 | PD0 | |
| 10 | PD1 | |
| 11 | PD2 | |
| 12 | PD3 | |
| 13 | PD4 | |
| 14 | PD5 | |
| 15 | PD6 | |
| 16 | PD7 | |
| 17 | VCC | |
| 18 | GND | |
| 19 | PC0 | |
| 20 | PC1 | |
| 21 | PC2 | |
| 22 | PC3 | |
| 23 | PC4 | |
| 24 | PC5 | |
| 25 | PC6 | |
| 26 | PC7 | |
| 27 | AVCC | |
| 28 | GND | |
| 29 | AREF | |
| 30 | PA7 | |
| 31 | PA6 | |
| 32 | PA5 | |
| 33 | PA4 | |
| 34 | PA3 | |
| 35 | PA2 | |
| 36 | PA1 | |
| 37 | PA0 | |
| 38 | VCC | |
| 39 | GND | |
| 40 | PB0 | |
| 41 | PB1 | |
| 42 | PB2 | |
| 43 | PB3 | |
| 44 | PB4 | |
---
*Generated from [https://www.flux.ai/adrian95/atmega644-20au](https://www.flux.ai/adrian95/atmega644-20au)*