# PCF8574T (Component) ## Description I/O Expanders PCF8574T SOP-16_L10.3-W7.5-P1.27-LS10.4-BL LCSC Part Number: C398075 JLCPCB Part Class: Extended Part Manufactured by HGSEMI(华冠) ## Component Details - **Owner:** lcsc - **Created:** 11/3/2024 - **Last Updated:** 4/28/2025 - **Visibility:** Public - **Part Type:** I/O Expanders - **LCSC Part Number:** C398075 - **Package or Case Code:** SOP-16_L10.3-W7.5-P1.27-LS10.4-BL - **JLCPCB Part Class:** Extended Part - **Manufacturer Name:** HGSEMI(华冠) - **Manufacturer Part Number:** PCF8574T - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409291934_HGSEMI-PCF8574T_C398075.pdf - **Product Info Url:** https://lcsc.com/product-detail/I-O-Expansion_HGSEMI-PCF8574T_C398075.html - **Used in:** 34 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 | |------------|--------------------|-------| | [HQonline](https://www.hqonline.com/product-detail/i-o-expanders-hgsemi-pcf8574t-1033454959) | N/A | N/A | | [LCSC](https://www.lcsc.com/product-detail/C2973152.html) | $0.9264 | 0 | - **Part Type:** Integrated Circuits - **Sub-Type:** Other - **MPN:** PCF8574T - **Mount Type:** PCB - **Package / Case Code:** 16-SOP - **Pin Count:** 16 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | A0 | | | 2 | A1 | | | 3 | A2 | | | 4 | P0 | | | 5 | P1 | | | 6 | P2 | | | 7 | P3 | | | 8 | VSS | | | 9 | P4 | | | 10 | P5 | | | 11 | P6 | | | 12 | P7 | | | 13 | #INT | | | 14 | SCL | | | 15 | SDA | | | 16 | VDD | | --- *Generated from [https://www.flux.ai/lcsc/pcf8574t~abjb](https://www.flux.ai/lcsc/pcf8574t~abjb)*