# ATTINY43U-MU (Component)
## Description
ATTINY43U-MU
QFN-20_L4.0-W4.0-P0.50-TL-EP2.6
LCSC Part Number: C614140
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
- **JLCPCB Part Class:** Extended Part
- **Manufacturer Name:** MICROCHIP(美国微芯)
- **Package or Case Code:** QFN-20_L4.0-W4.0-P0.50-TL-EP2.6
- **LCSC Part Number:** C614140
- **Manufacturer Part Number:** ATTINY43U-MU
## 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) | $0.5582 | 1 |
| [Digi-Key](https://www.digikey.com/en/products/detail/microchip-technology/ATTINY43U-MU/1914702) | $2.56 | 79 |
| [LCSC](https://www.lcsc.com/product-detail/C614140.html) | $0.4631 | 0 |
| [Mouser](https://www.mouser.com/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) | N/A | N/A |
- **Manufacturer:** Microchip
- **MPN:** ATTINY43U-MU
- **Mount Type:** PCB
- **Package / Case Code:** 20-QFN
- **Pin Count:** 21
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | (OC0B/PCINT9)PB2 | |
| 2 | (T1/CLKO/PCINT11)PB3 | |
| 3 | (DI/OC1A/PCINT12)PB4 | |
| 4 | (DO/OC1B/PCINT13)PB5 | |
| 5 | (USCK/SCL/PCINT14)PB6 | |
| 6 | (INT0/PCINT15)PB7 | |
| 7 | VCC | |
| 8 | GND | |
| 9 | LSW | |
| 10 | VBAT | |
| 11 | PA0(ADC0/PCINT0) | |
| 12 | PA1(ADC1/PCINT1) | |
| 13 | PA2(ADC2/PCINT2) | |
| 14 | PA3(ADC3/PCINT3) | |
| 15 | PA4(AIN0/PCINT4) | |
| 16 | PA5(AIN1/PCINT5) | |
| 17 | PA6(CLKI) | |
| 18 | ~{PA7(RESET}/dW/PCINT7) | |
| 19 | PB0(T0/PCINT8) | |
| 20 | PB1(OC0A/PCINT9) | |
| 21 | GND | |
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*Generated from [https://www.flux.ai/lcsc/attiny43u-mu](https://www.flux.ai/lcsc/attiny43u-mu)*