# TCA9545APWR (Component) ## Description Signal Switches / Encoders & Decoders / Multiplexers TCA9545APWR TSSOP-20_L6.5-W4.4-P0.65-LS6.4-BL LCSC Part Number: C400709 JLCPCB Part Class: Extended Part Manufactured by TI(德州仪器) ## Component Details - **Owner:** lcsc - **Created:** 11/5/2024 - **Last Updated:** 4/24/2025 - **Visibility:** Public - **Manufacturer Name:** TI(德州仪器) - **Product Info Url:** https://lcsc.com/product-detail/Signal-Switches-Multiplexers-Decoders_Texas-Instruments-TI-TCA9545APWR_C400709.html - **JLCPCB Part Class:** Extended Part - **LCSC Part Number:** C400709 - **Package or Case Code:** TSSOP-20_L6.5-W4.4-P0.65-LS6.4-BL - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Texas-Instruments-TCA9545APWR_C400709.pdf - **Manufacturer Part Number:** TCA9545APWR - **Part Type:** Signal Switches / Encoders & Decoders / Multiplexers - **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 | |------------|--------------------|-------| | [LCSC](https://www.lcsc.com/product-detail/signal switches / encoders & decoders / multiplexers_texas instruments_tca9545apwr_C400709.html) | N/A | N/A | - **Part Type:** Electromechanical Components - **Manufacturer:** Texas Instruments - **MPN:** TCA9545APWR - **Mount Type:** PCB - **Package / Case Code:** 20-TSSOP - **Pin Count:** 20 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | A0 | | | 2 | A1 | | | 3 | ~{RESET} | | | 4 | ~{INT0} | | | 5 | SD0 | | | 6 | SC0 | | | 7 | ~{INT1} | | | 8 | SD1 | | | 9 | SC1 | | | 10 | GND | | | 11 | ~{INT2} | | | 12 | SD2 | | | 13 | SC2 | | | 14 | ~{INT3} | | | 15 | SD3 | | | 16 | SC3 | | | 17 | ~{INT} | | | 18 | SCL | | | 19 | SDA | | | 20 | VCC | | --- *Generated from [https://www.flux.ai/lcsc/tca9545apwr~a6ft](https://www.flux.ai/lcsc/tca9545apwr~a6ft)*