WCH (Nanjing Qinheng) · I/O Expanders

CH422G

WCH (Nanjing Qinheng) I/O Expanders · SOP-16

Request a quote for CH422G

The CH422G is an I/O Expanders from WCH (Nanjing Qinheng), supplied in a SOP-16 package. It is listed in our Interface ICs catalog (Analog & Mixed Signal).

Key specifications of the CH422G: interface I2C, clock frequency 1MHz, quiescent supply current 400uA, operating temperature -40°C~+85°C, interrupt output No Interrupt Output and number of i/o 8.

PartnerSemi sources the CH422G for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.

Specifications

Manufacturer part numberCH422G
ManufacturerWCH (Nanjing Qinheng)
Product typeI/O Expanders
CategoryInterface ICs
Package / caseSOP-16
Clock Frequency1MHz
InterfaceI2C
Interrupt OutputNo Interrupt Output
Number of I/O8
Operating Temperature-40°C~+85°C
Output Logic Level - Low300mV
Output TypePush-Pull, Open-drain
Quiescent Supply Current400uA
Voltage - Supply3V~5V

Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.

More WCH (Nanjing Qinheng) Interface ICs

Part numberTypePackageKey specs
CH384L Interface - Specialized LQFP-100(14x14) Parallel, UART, PCIE3.3V
CH392T Ethernet Transceivers TSSOP-20 10Mbit/s3V~3.6V
CH395Q Ethernet Controllers LQFP-64M(10x10) SPI, UART3.3V
CH412K Interface - Specialized SOT-363-6 100nA100nA
CH423S I/O Expanders SOP-28-300mil I2C1MHz
CH432T RS232 ICs SSOP-20-208mil 4Mbps5V, 3.3V
CH438Q RS232 ICs LQFP-44(10x10) 128Byte4Mbps
CH440E Analog Switches, Multiplexers MSOP-10 4V~5.5V2

Frequently asked questions

What is the CH422G?

The CH422G is an I/O Expanders from WCH (Nanjing Qinheng), supplied in a SOP-16 package. It is listed in our Interface ICs catalog (Analog & Mixed Signal).

What are the specifications of the CH422G?

Clock Frequency: 1MHz; Interface: I2C; Interrupt Output: No Interrupt Output; Number of I/O: 8; Operating Temperature: -40°C~+85°C; Output Logic Level - Low: 300mV; Output Type: Push-Pull, Open-drain; Quiescent Supply Current: 400uA; Voltage - Supply: 3V~5V.

What package is the CH422G in?

The CH422G is listed in a SOP-16 package.

Which part numbers are similar to the CH422G?

Similar part numbers in our catalog include CH384L (WCH (Nanjing Qinheng)), CH392T (WCH (Nanjing Qinheng)), CH395Q (WCH (Nanjing Qinheng)), CH412K (WCH (Nanjing Qinheng)), CH423S (WCH (Nanjing Qinheng)) and CH432T (WCH (Nanjing Qinheng)). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the CH422G?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=CH422G&brand=WCH%20(Nanjing%20Qinheng) or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.