# TCA9554DBQR (Component) ## Description I/O Expander 8 I²C 400 kHz 16-SSOP #CommonPartLibrary #IntegratedCircuits #Interface #I/O Expanders #TCA9554 ## Component Details - **Owner:** jecstronic - **Created:** 12/8/2021 - **Last Updated:** 6/27/2023 - **Visibility:** Public - **Datasheet URL:** https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftca9554 - **Manufacturer Part Number:** TCA9554DBQR - **License:** https://creativecommons.org/licenses/by/4.0/ - **Manufacturer Name:** Texas Instruments - **Part Type:** Integrated Circuit - **Used in:** 1 project ## 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/tca9554dbqr/texas-instruments.html?utm_currency=USD) | $0.1764 | 148 | | [Digi-Key](https://www.digikey.com/en/products/detail/texas-instruments/TCA9554DBQR/5308223) | N/A | N/A | | [LCSC](https://www.lcsc.com/product-detail/C2877518.html) | $1.163 | 56 | | [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/TCA9554DBQR?qs=MiqG6Kq1qKNgK3BiZWWJgA%3D%3D) | $1.73 | 2K | | [Verical](https://www.verical.com/pd/texas-instruments-interface---i-o-expander-TCA9554DBQR-1220233?utm_currency=USD) | N/A | N/A | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Texas Instruments - **MPN:** TCA9554DBQR - **Package / Case Code:** 16-SSOP - **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 | GND | | | 9 | P4 | | | 10 | P5 | | | 11 | P6 | | | 12 | P7 | | | 13 | ~INT~ | | | 14 | SCL | | | 15 | SDA | | | 16 | VDD | | --- *Generated from [https://www.flux.ai/jecstronic/tca9554dbqr~v0g](https://www.flux.ai/jecstronic/tca9554dbqr~v0g)*