# CH334R (Component) ## Description USB HUB controller, UART, QSOP-16 USB HUB Controller Interface QSOP*3.9x4.9mm*P0.635mm* ## Component Details - **Owner:** kicad-part-library - **Created:** 9/26/2024 - **Last Updated:** 9/26/2024 - **Visibility:** Public - **Manufacturer Part Number:** CH334R - **Datasheet URL:** https://www.wch-ic.com/downloads/file/327.html - **Package or Case Code:** QSOP-16_3.9x4.9mm_P0.635mm - **Used in:** 13 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/usb-hub-and-card-reader-chip-wch-ch334r-2500405864) | $0.46949 | 202 | | [LCSC](https://www.lcsc.com/product-detail/C4154405.html) | $0.5063 | 8.5K | - **MPN:** CH334R - **Package / Case Code:** 16-QSOP - **Pin Count:** 16 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | DM4- | | | 2 | DP4+ | | | 3 | DM3- | | | 4 | DP3+ | | | 5 | DM2- | | | 6 | DP2+ | | | 7 | DM1- | | | 8 | DP1+ | | | 9 | ~{RESET}/CDP | | | 10 | DMU- | | | 11 | DPU+ | | | 12 | V5 | | | 13 | VDD33 | | | 14 | GND | | | 15 | XO | | | 16 | XI | | --- *Generated from [https://www.flux.ai/kicad-part-library/ch334r~lm](https://www.flux.ai/kicad-part-library/ch334r~lm)*