# CH344L (Component) ## Description USB ICs CH344L LQFP-48_L7.0-W7.0-P0.50-LS9.0-BL LCSC Part Number: C2887250 JLCPCB Part Class: Extended Part Manufactured by WCH(南京沁恒) ## Component Details - **Owner:** lcsc - **Created:** 10/31/2024 - **Last Updated:** 10/31/2024 - **Visibility:** Public - **LCSC Part Number:** C2887250 - **Part Type:** USB ICs - **Manufacturer Name:** WCH(南京沁恒) - **Package or Case Code:** LQFP-48_L7.0-W7.0-P0.50-LS9.0-BL - **JLCPCB Part Class:** Extended Part - **Manufacturer Part Number:** CH344L ## 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-chips-wch-ch344l-1040779884) | $3.20677 | 631 | | [LCSC](https://www.lcsc.com/product-detail/C2887250.html) | $2.8074 | 724 | - **Part Type:** Connectors - **Sub-Type:** USB Connectors - **MPN:** CH344L - **Mount Type:** PCB - **Package / Case Code:** 48-LQFP - **Pin Count:** 48 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | NC | | | 2 | CFG2 | | | 3 | NC | | | 4 | NC | | | 5 | XI | | | 6 | XO | | | 7 | RESET | | | 8 | GND | | | 9 | VCC | | | 10 | CTS1/GPIO2 | | | 11 | RTS1/GPIO3 | | | 12 | TXD1 | | | 13 | RXD1 | | | 14 | ACT | | | 15 | TX_S | | | 16 | RX_S | | | 17 | NC | | | 18 | TNOW1/GPIO9 | | | 19 | TNOW2/GPIO10 | | | 20 | GND | | | 21 | TXD2 | | | 22 | RXD2 | | | 23 | GND | | | 24 | VCC | | | 25 | NC | | | 26 | CTS2/GPIO4 | | | 27 | RTS2/GPIO5 | | | 28 | NC | | | 29 | TXD3 | | | 30 | TXD0 | | | 31 | RXD0 | | | 32 | UD- | | | 33 | UD+ | | | 34 | NC | | | 35 | GND | | | 36 | VCC | | | 37 | NC | | | 38 | CFG | | | 39 | TNOW0/GPIO8 | | | 40 | RTS0/GPIO1 | | | 41 | CTS0/GPIO0 | | | 42 | RXD3 | | | 43 | TNOW3/GPIO11 | | | 44 | TEST | | | 45 | RTS3/GPIO7 | | | 46 | CTS3/GPIO6 | | | 47 | GND | | | 48 | VCC | | --- *Generated from [https://www.flux.ai/lcsc/ch344l~f8yr](https://www.flux.ai/lcsc/ch344l~f8yr)*