# CH558T (Component) ## Description WCH CH558T SSOP-20_L7.2-W5.3-P0.65-LS7.8-BL LCSC Part Number: C139616 JLCPCB Part Class: Extended Part Manufactured by WCH(南京沁恒) ## Component Details - **Owner:** lcsc - **Created:** 10/31/2024 - **Last Updated:** 4/22/2025 - **Visibility:** Public - **Part Type:** WCH - **JLCPCB Part Class:** Extended Part - **Manufacturer Name:** WCH(南京沁恒) - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2403131113_WCH-Jiangsu-Qin-Heng-CH558T_C139616.pdf - **LCSC Part Number:** C139616 - **Package or Case Code:** SSOP-20_L7.2-W5.3-P0.65-LS7.8-BL - **Product Info Url:** https://lcsc.com/product-detail/_CH558T_C139616.html - **Manufacturer Part Number:** CH558T - **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/C139616.html) | $1.112 | 16 | - **Part Type:** Other - **MPN:** CH558T - **Mount Type:** PCB - **Package / Case Code:** 20-SSOP - **Pin Count:** 20 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | P1.2/AIN2/PWM3/CAP3 | | | 2 | P1.4/AIN4/SCS | | | 3 | P1.5/AIN5/MOSI | | | 4 | P1.6/AIN6/MISO | | | 5 | P1.7/AIN7/SCK | | | 6 | P5.7/RST | | | 7 | P3.2/LED0/INT0 | | | 8 | P3.4/LEDC/T0 | | | 9 | P4.6/XI/SCS_ | | | 10 | P4.7/XO/SCK_ | | | 11 | P2.5/TNOW/T2EX_/CAP2_ | | | 12 | P2.6/RXD1 | | | 13 | P2.7/TXD1 | | | 14 | P5.1/DP | | | 15 | P5.0/DM | | | 16 | P0.3/TXD_ | | | 17 | P0.2/RXD_ | | | 18 | GND/VSS | | | 19 | VIN5 | | | 20 | VDD33 | | --- *Generated from [https://www.flux.ai/lcsc/ch558t~j5p7](https://www.flux.ai/lcsc/ch558t~j5p7)*