CH423S
Compact and versatile I/O expansion module for your projects, featuring 8 I2C and SPI interfaces on a single SOP-28 package
Inventory:6,764
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
- Genuine Product Guarantee
- 7*24 hours service quarantee
-
Part Number : CH423S
-
Package/Case : SOP-28-300mil
-
Manufacturer : Wch(Jiangsu Qin Heng)
-
Components Classification : Memory
-
Datesheet : CH423S DataSheet (PDF)
Overview of CH423S
CH423S is a communication interface chip optimized for high-speed and low-voltage operations. It provides excellent performance for analog and digital signal switching.
Pinout
The CH423S pinout refers to the configuration and function of each pin in its SOP-28-300mil package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the CH423S has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.
Features
- I/O Expansion: The CH423S provides 8 I2C, SPI interfaces for expanding input/output capabilities.
Applications
- Embedded Systems: The CH423S is suitable for use in embedded systems that require high-speed and low-voltage operations.
Advantages and Disadvantages
Advantages
- High-Speed Operations: The CH423S supports high-speed operations, making it suitable for applications that require fast data transfer.
Disadvantages
- Limited Compatibility: The CH423S may not be compatible with all systems or devices due to its specific design and functionality.
Equivalents
For similar functionalities, consider these alternatives to the CH423S:
- WCH(Jiangsu Qin Heng) Other Communication Interface Chips: WCH(Jiangsu Qin Heng) offers a range of communication interface chips that may be suitable for specific applications.
Frequently Asked Questions
Q: What is the package type of CH423S?
A: The package type of CH423S is SOP-28-300mil.
Q: How many I2C, SPI interfaces does CH423S provide?
A: The CH423S provides 8 I2C, SPI interfaces for expanding input/output capabilities.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Operating Temperature | -40℃~+85℃ | Interrupt Output | No interrupt output |
Supply Voltage | 3V~5V | Number of I/O | 8 |
Clock Frequency | 1MHz | Output Type | Push-pull |
Interface | I2C;SPI |
Warranty & Returns
Warranty, Returns, and Additional Information
-
QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
-
Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
-
Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

AT26DF081A-SSU
AT26DF081A-SSU is a NOR Flash memory chip with a capacity of 8M, operating at a voltage of 2.7V and a maximum clock frequency of 70Mhz

IS61WV51216BLL-10MLI
TFBGA-48(9x11) SRAM ROHS

PC28F256P33BFE
16x16 megabit flash memory module with a 95ns access time, in a PBGA64 package with BGA-64 pinout

AM29F032B-90EF
PDSO40 packaged flash memory, 4 megabit by 8, 90ns access speed

AT45DB081D-SU
Upgrade your storage capacity with the AT45DB081D-SU, offering 8 Megabits of space for all your data needs."

CY62148ELL-45ZSXI
The CY62148ELL-45ZSXI is a high-performance SRAM chip designed for asynchronous operation at a single 5V power supply

CY7C1440AV33-167AXC
Cutting-edge memory module with 1M x 36 configuration

MT25QL01GBBB8E12-0AUT
SPI Flash Memory

SST25PF040CT-40I/SN
With its SPI interface, this flash memory device offers fast and easy access to data for a wide range of applications."

M95020-WMN6P
EEPROM SO-8N-150mil ROHS

TC4011BFT
Download the datasheet for TC4011BFT from Toshiba for product information

CAT24WC04J
8SOIC IC EEPROM 4KBIT I2C 400KHZ

MT41K256M16HA-125 AIT:E
Advanced Memory Solution for High-Performance Computin

CH423S
Compact and versatile I/O expansion module for your projects, featuring 8 I2C and SPI interfaces on a single SOP-28 package
Inventory:
6,764
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




