# TCA9535RTWR (Component)
## Description
I/O Expander 16 I²C, SMBus 400 kHz 24-WQFN #CommonPartLibrary #IntegratedCircuits #Interface #I/O Expanders #TCA9535
## Component Details
- **Owner:** jecstronic
- **Created:** 12/8/2021
- **Last Updated:** 6/26/2023
- **Visibility:** Public
- **Part Type:** Integrated Circuit
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Manufacturer Part Number:** TCA9535RTWR
- **Datasheet URL:** https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftca9535
- **Manufacturer Name:** Texas Instruments
## 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/tca9535rtwr/texas-instruments.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [Digi-Key](https://www.digikey.com/en/products/detail/texas-instruments/TCA9535RTWR/2170374) | N/A | N/A |
| [HQonline](https://www.hqonline.com/product-detail/i-o-expanders-ti-tca9535rtwr-2500421373) | $0.75088 | 10 |
| [LCSC](https://www.lcsc.com/product-detail/C129354.html) | $1.1853 | 4.8K |
| [Mouser](https://www.mouser.com/en/ProductDetail/Texas-Instruments/TCA9535RTWR?qs=OaSNdy%2FNfzlJdtatwDY%2FNw%3D%3D) | $1.67 | 14K |
| [Verical](https://www.verical.com/pd/texas-instruments-interface---i-o-expander-TCA9535RTWR-523498?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Texas Instruments
- **MPN:** TCA9535RTWR
- **Package / Case Code:** 16-WQFN
- **Pin Count:** 25
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | P00 | |
| 2 | P01 | |
| 3 | P02 | |
| 4 | P03 | |
| 5 | P04 | |
| 6 | P05 | |
| 7 | P06 | |
| 8 | P07 | |
| 9 | GND | |
| 10 | P10 | |
| 11 | P11 | |
| 12 | P12 | |
| 13 | P13 | |
| 14 | P14 | |
| 15 | P15 | |
| 16 | P16 | |
| 17 | P17 | |
| 18 | A0 | |
| 19 | SCL | |
| 20 | SDA | |
| 21 | VCC | |
| 22 | ~INT | |
| 23 | A1 | |
| 24 | A2 | |
| 25 | EPAD | |
---
*Generated from [https://www.flux.ai/jecstronic/tca9535rtwr~eh5](https://www.flux.ai/jecstronic/tca9535rtwr~eh5)*