# CH351Q (Component) ## Description Interface - Specialized CH351Q LQFP-64_L7.0-W7.0-P0.40-LS9.2-BL LCSC Part Number: C123779 JLCPCB Part Class: Extended Part Manufactured by WCH(南京沁恒) ## Component Details - **Owner:** lcsc - **Created:** 10/31/2024 - **Last Updated:** 4/24/2025 - **Visibility:** Public - **LCSC Part Number:** C123779 - **Product Info Url:** https://lcsc.com/product-detail/Interface-ICs_CH351Q_C123779.html - **Package or Case Code:** LQFP-64_L7.0-W7.0-P0.40-LS9.2-BL - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2403131128_WCH-Jiangsu-Qin-Heng-CH351Q_C123779.pdf - **Manufacturer Part Number:** CH351Q - **Manufacturer Name:** WCH(南京沁恒) - **Part Type:** Interface - Specialized - **JLCPCB Part Class:** Extended Part ## 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/C123779.html) | $2.5393 | 260 | - **Part Type:** Integrated Circuits - **Sub-Type:** Interface - **MPN:** CH351Q - **Mount Type:** PCB - **Package / Case Code:** 64-LQFP - **Pin Count:** 64 - **Logic Function:** Translator ## Pins | Pin | Name | Type | |-----|------|------| | 1 | AD22 | | | 2 | AD21 | | | 3 | AD20 | | | 4 | AD19 | | | 5 | AD18 | | | 6 | AD17 | | | 7 | AD16 | | | 8 | CBE2 | | | 9 | FRAME | | | 10 | TRDY | | | 11 | DEVSEL | | | 12 | INTA | | | 13 | PAR | | | 14 | CBE1 | | | 15 | AD15 | | | 16 | AD14 | | | 17 | VCC | | | 18 | AD13 | | | 19 | AD12 | | | 20 | AD11 | | | 21 | AD10 | | | 22 | AD9 | | | 23 | AD8 | | | 24 | CBE0 | | | 25 | AD7 | | | 26 | AD6 | | | 27 | AD5 | | | 28 | AD4 | | | 29 | AD3 | | | 30 | AD2 | | | 31 | AD1 | | | 32 | AD0 | | | 33 | DTR0 | | | 34 | RST0 | | | 35 | DTR1 | | | 36 | RTS1 | | | 37 | DCD0 | | | 38 | RI0 | | | 39 | DSR0 | | | 40 | CTS0 | | | 41 | TXD0 | | | 42 | TXD1 | | | 43 | RXD0 | | | 44 | RXD1 | | | 45 | DCD1 | | | 46 | RI1 | | | 47 | DSR1 | | | 48 | CTS1 | | | 49 | XI | | | 50 | RST | | | 51 | CLK | | | 52 | GND | | | 53 | VCC | | | 54 | AD31 | | | 55 | AD30 | | | 56 | AD29 | | | 57 | AD28 | | | 58 | AD27 | | | 59 | AD26 | | | 60 | AD25 | | | 61 | AD24 | | | 62 | CBE3 | | | 63 | IDSEL | | | 64 | AD23 | | --- *Generated from [https://www.flux.ai/lcsc/ch351q~bhym](https://www.flux.ai/lcsc/ch351q~bhym)*