# AT42QT1050-MMHR (Component)
## Description
Capacitive Touch Buttons 20-VQFN (3x3) #commonpartslibrary #sensor #Touchsensor #integratedcircuit
## Component Details
- **Owner:** vasy_skral
- **Created:** 3/7/2022
- **Last Updated:** 1/13/2023
- **Visibility:** Public
- **Part Type:** Integrated Circuit
- **Manufacturer Part Number:** AT42QT1050-MMHR
- **Manufacturer Name:** Microchip Technology
- **Datasheet URL:** https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-9707-AT42-QTouch-BSW-AT42QT1050_Datasheet.pdf
## 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/at42qt1050-mmhr/microchip-technology.html?utm_currency=USD®ion=nac) | $0.9357 | 12K |
| [Digi-Key](https://www.digikey.com/en/products/detail/microchip-technology/AT42QT1050-MMHR/5056448) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C150799.html) | $1.6249 | 0 |
| [Mouser](https://www.mouser.com/ProductDetail/Microchip-Technology/AT42QT1050-MMHR?qs=E2PpAYvlWVvARqfrZu4paA%3D%3D) | $1.42 | 5.1K |
| [Verical](https://www.verical.com/pd/microchip-technology-touch-screen-controller-AT42QT1050-MMHR-3675299?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Microchip
- **MPN:** AT42QT1050-MMHR
- **Package / Case Code:** 20-VQFN
- **Pin Count:** 21
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | KEY2 | |
| 2 | NC | |
| 3 | KEY1 | |
| 4 | KEY0 | |
| 5 | NC | |
| 6 | NC | |
| 7 | NC | |
| 8 | VSS | |
| 9 | VDD | |
| 10 | NC | |
| 11 | ADDR_SEL | |
| 12 | SDA | |
| 13 | ~RESET | |
| 14 | ~CHANGE | |
| 15 | SCL | |
| 16 | KEY4 | |
| 17 | KEY3 | |
| 18 | NC | |
| 19 | NC | |
| 20 | NC | |
| 21 | VSS | |
---
*Generated from [https://www.flux.ai/vasy_skral/at42qt1050-mmhr~v4](https://www.flux.ai/vasy_skral/at42qt1050-mmhr~v4)*