# ATTINY44-20MUR (Component)
## Description
ATTINY44-20MUR
QFN-20_L4.0-W4.0-P0.50-BL-EP2.6
LCSC Part Number: C2054456
JLCPCB Part Class: undefined
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)
- **LCSC Part Number:** C2054456
- **Package or Case Code:** QFN-20_L4.0-W4.0-P0.50-BL-EP2.6
- **Manufacturer Part Number:** ATTINY44-20MUR
## 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/attiny44-20mur/microchip-technology.html?utm_currency=USD®ion=nac) | $1.0475 | 6K |
| [Digi-Key](https://www.digikey.com/en/products/detail/microchip-technology/ATTINY44-20MUR/2357387) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C2054456.html) | $2.2305 | 0 |
| [Mouser](https://www.mouser.com/ProductDetail/Microchip-Technology/ATTINY44-20MUR?qs=6Dg1WZIWLC66OuPCYiqxCw%3D%3D) | N/A | N/A |
| [Verical](https://www.verical.com/pd/microchip-technology-microcontroller-ATTINY44-20MUR-2634789) | N/A | N/A |
- **Manufacturer:** Microchip
- **MPN:** ATTINY44-20MUR
- **Mount Type:** PCB
- **Package / Case Code:** 20-QFN
- **Pin Count:** 21
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | (ADC4/USCK/SCL/T1/PCINT4)PA4 | |
| 2 | (ADC3/T0/PCINT3)PA3 | |
| 3 | (ADC2/AIN1/PCINT2)PA2 | |
| 4 | (ADC1/AIN0/PCINT1)PA1 | |
| 5 | (ADC0/AREF/PCINT0)PA0 | |
| 6 | DNC | |
| 7 | DNC | |
| 8 | GND | |
| 9 | VCC | |
| 10 | DNC | |
| 11 | PB0(PCINT8/XTAL1/CLKI) | |
| 12 | PB1(PCINT9/XTAL2) | |
| 13 | PB3(PCINT11/~{RESET}/dW) | |
| 14 | PB2(PCINT10/INT0/OC0A/CKOUT) | |
| 15 | PA7(PCINT7/ICP/OC0B/ADC7) | |
| 16 | PA6(PCINT6/OC1A/SDA/MOSI/DI/ADC6) | |
| 17 | DNC | |
| 18 | DNC | |
| 19 | DNC | |
| 20 | PA5(ADC5/DO/MISO/OC1B/PCINT5) | |
| 21 | EP | |
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*Generated from [https://www.flux.ai/lcsc/attiny44-20mur](https://www.flux.ai/lcsc/attiny44-20mur)*