# PCF8574DWR (Component)
## Description
I/O Expander 8 I²C 100 kHz 16-SOIC #CommonPartLibrary #IntegratedCircuits #Interface #I/O Expanders #PCF8574
## Component Details
- **Owner:** jecstronic
- **Created:** 12/8/2021
- **Last Updated:** 6/26/2023
- **Visibility:** Public
- **Datasheet URL:** https://rocelec.widen.net/view/pdf/zsmwgcsqj9/scps068j.pdf?t.download=true&u=5oefqw
- **Manufacturer Part Number:** PCF8574DWR
- **Manufacturer Name:** Texas Instruments
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Part Type:** Integrated Circuit
- **Used in:** 261 projects
## 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/pcf8574dwr/texas-instruments.html?utm_currency=USD®ion=nac) | $1.3121 | 34 |
| [Digi-Key](https://www.digikey.com/en/products/detail/texas-instruments/PCF8574DWR/484758) | $1.91 | 13K |
| [LCSC](https://www.lcsc.com/product-detail/C2652271.html) | $1.3111 | 2.2K |
| [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/PCF8574DWR?qs=bkMXpVdiF427kosefzagkg%3D%3D) | $1.99 | 5.8K |
| [Verical](https://www.verical.com/pd/texas-instruments-interface---i-o-expander-PCF8574DWR-311721?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Texas Instruments
- **MPN:** PCF8574DWR
- **Package / Case Code:** 16-SOIC
- **Pin Count:** 16
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | A0 | |
| 2 | A1 | |
| 3 | A2 | |
| 4 | P0 | |
| 5 | P1 | |
| 6 | P2 | |
| 7 | P3 | |
| 8 | VSS | |
| 9 | P4 | |
| 10 | P5 | |
| 11 | P6 | |
| 12 | P7 | |
| 13 | ~INT~ | |
| 14 | SCL | |
| 15 | SDA | |
| 16 | VDD | |
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*Generated from [https://www.flux.ai/jecstronic/pcf8574dwr~mlh](https://www.flux.ai/jecstronic/pcf8574dwr~mlh)*