The scope of application version upload time size
CH446 1.4 2021-11-29 173KB
CH446 datasheet. 8x16 matrix analog switch chip, contains 128 analog switches, used for arbitrary routing of 8x16 signal channels. CH446 supports 4V to 12V single supply voltage, and supports +5V and -7V dual power supply voltage. The ON resistance is not greater than 65Ω.

relation files

file name file content
CH440DS1.PDF CH440/2/3/4 datasheet. A multi-channel bidirectional analog switch IC with low resistance and high bandwidth. 550MHz bandwidth. 5Ω ON resistance. The CH440/2/3/4 supports switch of video signals and low-speed/full-speed/high-speed USB signals.
CH423DS1.PDF CH423 datasheet. A remote I/O expander with 2-wire serial interface, used for 16 digital tube display or I/O expansion applications through two wires. The input terminal is a two-wire interface compatible with I2C, and the output terminal is an 8-bit bidirectional input/output port and a 16-bit high-current output port.
CH422DS1.PDF CH422 datasheet. Remote I/O expander chip of two-wire serial interface, used for display of 4 digital tubes and I/O expansion application. The input is a two-wire interface compatible with I2C, and the output is an 8-bit bidirectional I/O port and 4-bit large-current output port.