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CH423 - Two-wire remote I / O expansion chip

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

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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.
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