DataSheet


file name version upload time size
CH331DS1.PDF 1.2 2021-11-29 127KB
CH331 datasheet. USB flash disk controller. With an external SPI memory chip added, the CH331 can implement up to 4M USB flash disk, and it supports customization of USB flash disk manufacturer name, capacity, serial number and other information.
CH384DS0.PDF 1 2021-07-05 105KB
CH384 Brief, which converts PCI-Express bus quad serial ports, and printer/parallel port. Supports up to 8Mbps baud rate, used for PCIE high-speed serial port with automatic hardware flow control, serial ports networking, RS485 communication, parallel/printer port expansion, etc.
CH367DS1.PDF 1.2 2021-12-10 207KB
CH367 datasheet, PCI-Express to 8-bit communication interfaces chip, supports I/O port mapping, expansion ROM and interrupt, used for acquisition card/IO control card/communication card, etc.
CH453DS1.PDF 2.1 2021-11-29 151KB
CH453 datasheet. CH453 can be used for 128 LEDs or 16×8 segment digital tube drive and 64-key keyboard scanning control.
CH449DS1.PDF 1.1 2022-06-29 167KB
CH449 datasheet. Dual 4×4 matrix analog switch chip, supports I2C communication, 1.8V to 5V wide voltage. The typical value of Ron is about 5Ω. CH449 supports switch of 4 inputs and 4 outputs differential signals or 2 groups of independent 4 inputs and 4 outputs single-ended signals. CH449 can be used for multiple arbitrary routing of video, USB2.0 and other signals.
CH9445DS1.PDF 1.0 2022-07-01 310KB
CH9444/CH9445 datasheet. A super-speed MUX IC. 4:6 cross-point super-speed differential signal MUX switch. Supports cross-channel switch of 10Gbps, 5Gbps and 480Mbps USB3.1 signals, 8Gbps DP1.4 signals and other differential signals. Used in applications such as Type-C to DP, Type-C to DP+USB3.0, etc.
CH555DS1.PDF 1.4 2022-04-12 884KB
CH555 datasheet. A USB Keyboard and RGB MCU with E8051 core. It provides 8K RAM, 64K Flash. It has built-in 128 groups of RGB LED controllers and USB Device feature, can be used for customized mechanical keyboard design.
CH237DS1.PDF 1.6 2022-06-07 174KB
CH237 datasheet. Type-A/C dual-port fast charging protocol controller, supports fast charging protocols such as PD3.0/2.0, BC1.2, etc. CH237 supports AC/DC constant voltage loop and constant current loop, with features of high integration and simplified peripherals.
CH9101DS1.PDF 1.3 2022-05-24 260KB
CH9101 datasheet, USB to single serial port, supports up to 3M baud rate, serial port signals support 5V/3.3V/2.5V/1.8V, CH9101 provides RS485 control and GPIO signals, built-in crystal oscillator and provides SSOP28, QFN32, QFN16 and QSOP16 packages. CH9101 supports built-in CDC driver in operating system or multi-functional high-speed VCP manufacture driver.
CH9103DS1.PDF 1.1 2022-05-24 203KB
CH9103 datasheet, USB to dual serial ports, supports up to 3M baud rate, serial port signals support 5V/3.3V/2.5V/1.8V, provides RS485 direction control and GPIO and other signal pins, built-in crystal oscillator, QFN40 package. Built-in Unique USB Serial Number, supports USB parameters configuration. CH9103 supports built-in CDC driver in operating system or multi-functional high-speed VCP manufacture driver.