# TCA9555DBR (Component) ## Description I/O Expander 16 I²C, SMBus 400 kHz 24-SSOP #CommonPartLibrary #IntegratedCircuits #Interface #I/O Expanders #TCA9555 ## Component Details - **Owner:** jecstronic - **Created:** 5/4/2022 - **Last Updated:** 6/27/2023 - **Visibility:** Private - **Manufacturer Name:** Texas Instruments - **Datasheet URL:** https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftca9555 - **Part Type:** Integrated Circuit - **Manufacturer Part Number:** TCA9555DBR - **License:** https://creativecommons.org/licenses/by/4.0/ ## 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/tca9555dbr/texas-instruments?utm_currency=USD&region=asia) | $0.8595 | 50 | | [Digi-Key](https://www.digikey.com/en/products/detail/texas-instruments/TCA9555DBR/6156203) | N/A | N/A | | [HQonline](https://www.hqonline.com/product-detail/i-o-expanders-ti-tca9555dbr-1043215356) | N/A | N/A | | [LCSC](https://www.lcsc.com/product-detail/C2865317.html) | $0.8597 | 2.1K | | [Mouser](https://www.mouser.com/en/ProductDetail/Texas-Instruments/TCA9555DBR?qs=8%252Br4Hz5Xir8dQHHMewqY6Q%3D%3D) | $1.98 | 3.6K | | [Verical](https://www.verical.com/pd/texas-instruments-interface---i-o-expander-TCA9555DBR-2095123?utm_currency=USD) | N/A | N/A | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Texas Instruments - **MPN:** TCA9555DBR - **Package / Case Code:** 16-SSOP - **Pin Count:** 24 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | ~INT | | | 2 | A1 | | | 3 | A2 | | | 4 | P00 | | | 5 | P01 | | | 6 | P02 | | | 7 | P03 | | | 8 | P04 | | | 9 | P05 | | | 10 | P06 | | | 11 | P07 | | | 12 | GND | | | 13 | P10 | | | 14 | P11 | | | 15 | P12 | | | 16 | P13 | | | 17 | P14 | | | 18 | P15 | | | 19 | P16 | | | 20 | P17 | | | 21 | A0 | | | 22 | SCL | | | 23 | SDA | | | 24 | VCC | | --- *Generated from [https://www.flux.ai/jecstronic/tca9555dbr~am5](https://www.flux.ai/jecstronic/tca9555dbr~am5)*