# TCA9544APWR (Component)
## Description
Multiplexer 2 x 1:4 20-TSSOP #CommonPartsLibrary #IntegradedCircuits #Logic #SignalSwitches #Multiplexers #Decoders #TCA9544
## Component Details
- **Owner:** jecstronic
- **Created:** 12/8/2021
- **Last Updated:** 6/27/2023
- **Visibility:** Public
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Datasheet URL:** https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftca9544a
- **Part Type:** Integrated Circuit
- **Manufacturer Name:** Texas Instruments
- **Manufacturer Part Number:** TCA9544APWR
- **Used in:** 9 projects
- **Forks:** 1
## 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/tca9544apwr/texas-instruments?utm_currency=USD®ion=asia) | $0.5474 | 8 |
| [Digi-Key](https://www.digikey.com/en/products/detail/texas-instruments/TCA9544APWR/4866975) | $1.75 | 4.7K |
| [LCSC](https://www.lcsc.com/product-detail/C2674619.html) | $0.8361 | 1.4K |
| [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/TCA9544APWR?qs=7z%252BmIopC6%2FKrV%252BhlE9YiNQ%3D%3D) | $1.33 | 434 |
| [Verical](https://www.verical.com/pd/texas-instruments-multiplexer-TCA9544APWR-856374?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Texas Instruments
- **MPN:** TCA9544APWR
- **Package / Case Code:** 20-TSSOP
- **Pin Count:** 20
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | A0 | |
| 2 | A1 | |
| 3 | A2 | |
| 4 | ~INT0 | |
| 5 | SD0 | |
| 6 | SC0 | |
| 7 | ~INT1 | |
| 8 | SD1 | |
| 9 | SC1 | |
| 10 | GND | |
| 11 | ~INT2 | |
| 12 | SD2 | |
| 13 | SC2 | |
| 14 | ~INT3 | |
| 15 | SD3 | |
| 16 | SC3 | |
| 17 | ~INT | |
| 18 | SCL | |
| 19 | SDA | |
| 20 | VCC | |
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*Generated from [https://www.flux.ai/jecstronic/tca9544apwr](https://www.flux.ai/jecstronic/tca9544apwr)*