CH423 - Two-wire remote I / O expansion chip

Datasheet Details

Part number	CH423
Manufacturer	Unknown Manufacturer
File Size	222.97 KB
Description	Two-wire remote I / O expansion chip
Datasheet	CH423 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CH423 １ I/O CH423 ： 2 http://wch.cn 1、 CH423 I/O 。CH423 8 16 ，；CH423 ， 24 LED 128 LED（ 16 ）；CH423 2 。 SCL MCU SDA CH423 I/O () OC15～OC0 IO7～IO0 8 8 16 16 128 INT# SEG7～SEG0 MCU SCL SDA CH423 DIG15～DIG0 2、 ● ● ● ● ● ● ● ● ● 8 GPIO 16 GPO。， 15mA，OC 1/16 120mA。 24 LED 3 。 128 LED 16 ，。 I/O ，。 16 。 3V～5V ，，。 2 2 ， 0 1MHz， I C ，。 SDIP28 SOP28 ， RoHS。 3、 Free Datasheet http://www.nDatasheet.com CH423 SOP28 SDIP28 7.62mm 10.16mm 300mil 400mil ２ 1.27mm 50mil 1.78mm 70mil 28 28 CH423S CH423D 4、 25 11 23,24,26, 27,28,1,2,3 4～8、 12～22 10 9 ， 150mA ， 150mA ， IO0～IO7 ，，， OC0～OC15 ， SDA 2 ， SCL 2 VCC GND 5、 5.1. （，，） Free Datasheet http://www.nDatasheet.com CH423 ３ 5.2.