# PCA9557PW,118 (Component) ## Description I/O Expander 8 I²C, SMBus 400 kHz 16-TSSOP #commonpartslibrary #integratedcircuit #I/O #expander ## Component Details - **Owner:** adrian95 - **Created:** 5/27/2023 - **Last Updated:** 5/27/2023 - **Visibility:** Public - **Manufacturer Part Number:** PCA9557PW,118 - **Datasheet URL:** https://www.nxp.com/docs/en/data-sheet/PCA9557.pdf - **Part Type:** Integrated Circuit - **License:** https://creativecommons.org/licenses/by/4.0/ - **Manufacturer Name:** NXP USA Inc. - **Used in:** 3 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/pca9557pw118/nxp-semiconductors?region=europe) | $1.5442 | 108 | | [Digi-Key](https://www.digikey.com/en/products/detail/nxp-usa-inc/PCA9557PW-118/735675) | N/A | N/A | | [HQonline](https://www.hqonline.com/product-detail/i-o-expanders-nxp-pca9557pw-118-2500410061) | $0.67253 | 94 | | [LCSC](https://www.lcsc.com/product-detail/C141380.html) | $0.5796 | 61K | | [Mouser](https://www.mouser.com/en/ProductDetail/NXP-Semiconductors/PCA9557PW118?qs=LOCUfHb8d9vFRJDeZaj93A%3D%3D) | $2.21 | 19K | | [Verical](https://www.verical.com/pd/nxp-semiconductors-interface---i-o-expander-PCA9557PW-118-104247?utm_currency=USD) | N/A | N/A | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** NXP - **MPN:** PCA9557PW,118 - **Package / Case Code:** 16-TSSOP - **Pin Count:** 16 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | SCL | | | 2 | SDA | | | 3 | A0 | | | 4 | A1 | | | 5 | A2 | | | 6 | IO0 | | | 7 | IO1 | | | 8 | VSS | | | 9 | IO2 | | | 10 | IO3 | | | 11 | IO4 | | | 12 | IO5 | | | 13 | IO6 | | | 14 | IO7 | | | 15 | ~RESET | | | 16 | VDD | | --- *Generated from [https://www.flux.ai/adrian95/pca9557pwc118~maz](https://www.flux.ai/adrian95/pca9557pwc118~maz)*