# PCF8574PWR (Component) ## Description I/O Expander 8 I2C 100 kHz 20-TSSOP #commonpartslibrary #integratedcircuit #expander ## Component Details - **Owner:** adrian95 - **Created:** 4/16/2024 - **Last Updated:** 4/16/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Part Type:** Integrated Circuit - **Manufacturer Part Number:** PCF8574PWR - **Manufacturer Name:** Texas Instruments - **Datasheet URL:** https://rocelec.widen.net/view/pdf/zsmwgcsqj9/scps068j.pdf - **Used in:** 13 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 | |------------|--------------------|-------| | [Digi-Key](https://www.digikey.com/en/products/detail/texas-instruments/PCF8574PWR/484761) | N/A | N/A | | [LCSC](https://www.lcsc.com/product-detail/C882809.html) | $1.0253 | 2.1K | | [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/PCF8574PWR?qs=X1HXWTtiZ0T3gnyuO%2Fq4CA%3D%3D) | $1.82 | 5.2K | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Texas Instruments - **MPN:** PCF8574PWR - **Package / Case Code:** 20-TSSOP - **Pin Count:** 20 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | ~INT | | | 2 | SCL | | | 3 | NC_1 | | | 4 | SDA | | | 5 | VCC | | | 6 | A0 | | | 7 | A1 | | | 8 | NC_2 | | | 9 | A2 | | | 10 | P0 | | | 11 | P1 | | | 12 | P2 | | | 13 | NC_3 | | | 14 | P3 | | | 15 | GND | | | 16 | P4 | | | 17 | P5 | | | 18 | NC_4 | | | 19 | P6 | | | 20 | P7 | | --- *Generated from [https://www.flux.ai/adrian95/pcf8574pwr~pjf](https://www.flux.ai/adrian95/pcf8574pwr~pjf)*