# ATMEGA644-20PU (Component)
## Description
ATMEGA644-20PU
PDIP-40_L52.3-W13.8-P2.54-LS15.2-BL
LCSC Part Number: C1338004
JLCPCB Part Class: Extended Part
Manufactured by MICROCHIP(美国微芯)
## Component Details
- **Owner:** lcsc
- **Created:** 10/30/2024
- **Last Updated:** 10/30/2024
- **Visibility:** Public
- **Manufacturer Name:** MICROCHIP(美国微芯)
- **JLCPCB Part Class:** Extended Part
- **Package or Case Code:** PDIP-40_L52.3-W13.8-P2.54-LS15.2-BL
- **Manufacturer Part Number:** ATMEGA644-20PU
- **LCSC Part Number:** C1338004
## 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/atmega644-20pu/microchip-technology.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [Digi-Key](https://www.digikey.com/en/products/detail/rochester-electronics-llc/ATMEGA644-20PU/13434970) | $7.30 | 57 |
| [LCSC](https://www.lcsc.com/product-detail/C1338004.html) | $13.8254 | 5 |
| [Mouser](https://www.mouser.com/ProductDetail/Microchip-Technology/ATMEGA644-20PU?qs=8jWQYweyg6OtmZV4EMC1iQ%3D%3D) | $7.30 | 57 |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=ATMEGA644-20PU) | $7.75 | 10 |
| [Verical](https://www.verical.com/pd/microchip-technology-microcontroller-ATMEGA644-20PU-2627795?utm_currency=USD) | N/A | N/A |
- **Manufacturer:** Microchip
- **MPN:** ATMEGA644-20PU
- **Mount Type:** PCB
- **Package / Case Code:** PDIP
- **Pin Count:** 40
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | (PCINT8/XCK0/T0)PB0 | |
| 2 | (PCINT9/CLKO/T1)PB1 | |
| 3 | (PCINT10/INT2/AIN0)PB2 | |
| 4 | (PCINT11/OC0A/AIN1)PB3 | |
| 5 | (PCINT12/OC0B/SS#)PB4 | |
| 6 | (PCINT13/MOSI)PB5 | |
| 7 | (PCINT14/MISO)PB6 | |
| 8 | (PCINT15/SCK)PB7 | |
| 9 | ~{RESET} | |
| 10 | VCC | |
| 11 | GND | |
| 12 | XTAL2 | |
| 13 | XTAL1 | |
| 14 | (PCINT24/RXD0)PD0 | |
| 15 | (PCINT25/TXD0)PD1 | |
| 16 | (PCINT26/INT0)PD2 | |
| 17 | (PCINT27/INT1)PD3 | |
| 18 | (PCINT28/OC1B)PD4 | |
| 19 | (PCINT29/OC1A)PD5 | |
| 20 | (PCINT30/OC2B/ICP)PD6 | |
| 21 | PD7(OC2A/PCINT31) | |
| 22 | PC0(SCL/PCINT16) | |
| 23 | PC1(SDA/PCINT17) | |
| 24 | PC2(TCK/PCINT18) | |
| 25 | PC3(TMS/PCINT19) | |
| 26 | PC4(TDO/PCINT20) | |
| 27 | PC5(TDI/PCINT21) | |
| 28 | PC6(TOSC1/PCINT22) | |
| 29 | PC7(TOSC2/PCINT23) | |
| 30 | AVCC | |
| 31 | GND | |
| 32 | AREF | |
| 33 | PA7(ADC7/PCINT7) | |
| 34 | PA6(ADC6/PCINT6) | |
| 35 | PA5(ADC5/PCINT5) | |
| 36 | PA4(ADC4/PCINT4) | |
| 37 | PA3(ADC3/PCINT3) | |
| 38 | PA2(ADC2/PCINT2) | |
| 39 | PA1(ADC1/PCINT1) | |
| 40 | PA0(ADC0/PCINT0) | |
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*Generated from [https://www.flux.ai/lcsc/atmega644-20pu](https://www.flux.ai/lcsc/atmega644-20pu)*