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DataSheet
CH438DS1.PDF CH438 datasheet. CH438 is an 8-UART extension chip. Each UART receive/transmit has independent 128-byte FIFO. The maximum baud rate is 4Mbps. It supports hardware flow control, compatible with 16C550/16C750. It provides 8-bit parallel interface, used for MCU 8-UART extension. 1.2 2021-11-19
Others
PRODUCT_GUIDE.P... Electronic selection of product selection manual, please refer to related product technical manual for more technical information. 3.3 2024-07-06
PACKAGE.PDF Common package dimensions for CH series ICs: DIP, SKDIP, SDIP, SOP, SSOP, MSOP, QFP, LQFP, QFN, ... 3.6 2023-12-20