WCH (Nanjing Qinheng) · I/O Expanders
CH423S
WCH (Nanjing Qinheng) I/O Expanders · SOP-28-300mil
Request a quote for CH423SThe CH423S is an I/O Expanders from WCH (Nanjing Qinheng), supplied in a SOP-28-300mil package. It is listed in our Interface ICs catalog (Analog & Mixed Signal).
Key specifications of the CH423S: interface I2C, clock frequency 1MHz, quiescent supply current 400uA, current - output high(ioh) 15mA, operating temperature -40°C~+85°C and current - output low(iol) 30mA.
PartnerSemi sources the CH423S 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 number | CH423S |
|---|---|
| Manufacturer | WCH (Nanjing Qinheng) |
| Product type | I/O Expanders |
| Category | Interface ICs |
| Package / case | SOP-28-300mil |
| Clock Frequency | 1MHz |
| Current - Output High(IOH) | 15mA |
| Current - Output Low(IOL) | 30mA |
| Interface | I2C |
| Interrupt Output | Interrupt Output |
| Number of I/O | 8 |
| Operating Temperature | -40°C~+85°C |
| Output Type | Push-Pull, Open-drain |
| Quiescent Supply Current | 400uA |
| Voltage - Supply | 3V~5V |
Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.
More WCH (Nanjing Qinheng) Interface ICs
| Part number | Type | |
|---|---|---|
| CH392T | Ethernet Transceivers | |
| CH395Q | Ethernet Controllers | |
| CH412K | Interface - Specialized | |
| CH422G | I/O Expanders | |
| CH432T | RS232 ICs | |
| CH438Q | RS232 ICs | |
| CH440E | Analog Switches, Multiplexers | |
| CH440G | Analog Switches, Multiplexers |
Frequently asked questions
What is the CH423S?
The CH423S is an I/O Expanders from WCH (Nanjing Qinheng), supplied in a SOP-28-300mil package. It is listed in our Interface ICs catalog (Analog & Mixed Signal).
What are the specifications of the CH423S?
Clock Frequency: 1MHz; Current - Output High(IOH): 15mA; Current - Output Low(IOL): 30mA; Interface: I2C; Interrupt Output: Interrupt Output; Number of I/O: 8; Operating Temperature: -40°C~+85°C; Output Type: Push-Pull, Open-drain; Quiescent Supply Current: 400uA; Voltage - Supply: 3V~5V.
What package is the CH423S in?
The CH423S is listed in a SOP-28-300mil package.
Which part numbers are similar to the CH423S?
Similar part numbers in our catalog include CH392T (WCH (Nanjing Qinheng)), CH395Q (WCH (Nanjing Qinheng)), CH412K (WCH (Nanjing Qinheng)), CH422G (WCH (Nanjing Qinheng)), CH432T (WCH (Nanjing Qinheng)) and CH438Q (WCH (Nanjing Qinheng)). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.
How can I buy the CH423S?
Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=CH423S&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.