# ATMEGA644A-PU (Component)
## Description
AVR series Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 40-PDIP #CommonPartsLibrary #Microcontroller #Atmega644
## Component Details
- **Owner:** adrian95
- **Created:** 6/10/2022
- **Last Updated:** 4/26/2023
- **Visibility:** Public
- **Datasheet URL:** https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega164A_PA-324A_PA-644A_PA-1284_P_Data-Sheet-40002070B.pdf
- **Manufacturer Name:** Microchip
- **Part Type:** Microcontroller
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Manufacturer Part Number:** ATMEGA644A-PU
## 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/atmega644a-pu/microchip-technology.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [Digi-Key](https://www.digikey.com/en/products/detail/microchip-technology/ATMEGA644A-PU/2271041) | $5.90 | 490 |
| [LCSC](https://www.lcsc.com/product-detail/C1341608.html) | $7.2673 | 8 |
| [Mouser](https://www.mouser.com/ProductDetail/Microchip-Technology/ATMEGA644A-PU?qs=lwdSMh1%2FoYJGVjOzwoJscg%3D%3D) | $5.90 | 507 |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=ATMEGA644A-PU) | $6.14 | 10 |
| [Verical](https://www.verical.com/pd/microchip-technology-microcontroller-ATMEGA644A-PU-2632303?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Microchip
- **MPN:** ATMEGA644A-PU
- **Package / Case Code:** 8-PDIP
- **Pin Count:** 40
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | PB0 | |
| 2 | PB1 | |
| 3 | PB2 | |
| 4 | PB3 | |
| 5 | PB4 | |
| 6 | PB5 | |
| 7 | PB6 | |
| 8 | PB7 | |
| 9 | ~RESET | |
| 10 | VCC | |
| 11 | GND | |
| 12 | XTAL2 | |
| 13 | XTAL1 | |
| 14 | PD0 | |
| 15 | PD1 | |
| 16 | PD2 | |
| 17 | PD3 | |
| 18 | PD4 | |
| 19 | PD5 | |
| 20 | PD6 | |
| 21 | PD7 | |
| 22 | PC0 | |
| 23 | PC1 | |
| 24 | PC2 | |
| 25 | PC3 | |
| 26 | PC4 | |
| 27 | PC5 | |
| 28 | PC6 | |
| 29 | PC7 | |
| 30 | AVCC | |
| 31 | GND | |
| 32 | AREF | |
| 33 | PA7 | |
| 34 | PA6 | |
| 35 | PA5 | |
| 36 | PA4 | |
| 37 | PA3 | |
| 38 | PA2 | |
| 39 | PA1 | |
| 40 | PA0 | |
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*Generated from [https://www.flux.ai/adrian95/atmega644a-pu](https://www.flux.ai/adrian95/atmega644a-pu)*