PCF8574ARGYRG4

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Number of I/O:	8
Interface:	I²C
Interrupt Output:	Yes
Features:	POR
Output Type:	Push-Pull
Current - Output Source/Sink:	1mA, 25mA
Clock Frequency:	100kHz
Voltage - Supply:	2.5 V ~ 6 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-VFQFN Exposed Pad
Supplier Device Package:	20-VQFN (3.5x4.5)
Base Part Number:	PCF8574A

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PCF8574ARGYRG4 Application Field and Working Principle

The PCF8574ARGYRG4 is an I/O expander with parallel I/O architecture that is primarily used in embedded systems for communication protocol expansion, data acquisition, and monitoring. This technology is designed for use in a broad range of applications, making the PCF8574ARGYRG4 a versatile and cost-effective option for engineers. As a result, I/O expander device is gaining widespread acceptance and popularity in the embedded system world.The PCF8574ARGYRG4 I/O expander is specifically designed as an interface for microprocessors and/or microcontrollers, providing additional I/O lines for the system. This makes it ideal for systems that require additional ports for serial, parallel, and/or manual data transmission. Where additional ports are necessary, the PCF8574ARGYRG4 reduces the cost of using extra chips and provides simple integration into existing systems.The PCF8574ARGYRG4 consists of 8-bit I/O ports, each supporting up to 7 bits of data input and up to 8 bits of data output. One of the key features of this technology is the ability to add extra I/O lines with minimal effort. The device contains a built-in multiplexer (MUX) to allow the arrangement of up to 8-bit ports “in-line” without additional wiring, allowing the integration of additional I/O lines in a snap. This makes the PCF8574ARGYRG4 a highly efficient and cost effective solution for any I/O expansion needs.It is designed to work with a range of operating voltages from 2.7V to 5.5V, which makes it suitable for use in a wide variety of applications. The device uses logic circuitry that is based on CMOS technology, which increases its power efficiency compared to other I/O expanders. It also has low power shutdown mode that allows it to enter a more power-efficient state when it is not actively in use.One of the primary benefits of using the PCF8574ARGYRG4 I/O expander is the increased efficiency that comes with its built-in multiplexer. This allows the device to quickly arrange the data lines and routing to provide the necessary I/O connections with minimal effort. The multiplexer also provides flexibility in system setup and design, as it allows the arrangement of individual interfaces of up to 8-bit ports within an 8-bit port. This makes it an ideal choice for using in any system with a limited number of lines.The PCF8574ARGYRG4 comes with several additional features that make the device easy to use and reliable for use in embedded applications. It supports standard I2C protocols for communication, making it easier to integrate with existing systems and enabling reliable communication between the CPU and the I/O expander. It also has a built-in reset mode to make it easier to arrange the line in order to reset the system during initialization.Overall, the PCF8574ARGYRG4 I/O expander is a key component for use in any embedded system, allowing for a simple and efficient way to add extra I/O lines for expansion. With its multiplexer and power-efficient logic circuitry, it provides the versatility and cost-saving benefits needed to make it a reliable option for communication interface expansion.

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