PCF8574RGTR

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
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:	16-VFQFN Exposed Pad
Supplier Device Package:	16-QFN (3x3)
Base Part Number:	PCF8574

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PCF8574RGTR Interface - I/O Expanders

The PCF8574RGTR is a general purpose 8-bit I/O expander that is used in many applications. It is a versatile way to expand the number of input and output pins on devices without sacrificing performance. It can be used in a variety of situations where existing I/O pins are not available or are simply not enough.The PCF8574RGTR is a single-chip integration solution combining a microcontroller core, logic, and I/Oexpansion. It is particularly effective in applications where low-power, flexible, and/or low-cost designs are needed. This type of expansion device is commonly used in embedded systems, industrial control, automotive, and other applications.The PCF8574RGTR has an 8bit-widebidirectional interface that is capable of supporting multiple I/O expansion applications. It includes features such as an adjustable pull-up and pull-down resistors for enhanced operation and digital inputs for connecting switches and LEDs. The vendor provides software development tools, such as device driver libraries, to make implementation easier.In industrial control applications, the PCF8574RGTR can be used to increase digital I/O inputs and outputs for monitoring and controlling devices such as mobile robots and controllers, process controllers, and sensors. It can also be used for databyte transfer between a variety of devices including PLCs, motion controls, and lab automation systems. Additionally, the PCF8574RGTR can be used to increase the number of digital I/Os in a network system like an Ethernet or CAN-bus.The PCF8574RGTR has two operation modes: integral and external. In integral mode, it performs most of the signal processing with its internal hardware, whereas in external mode, the required hardware resources and signal processing are provided by external components.The PCF8574RGTR can be connected to the microcontroller via the GPIO interface via an I2C interface or an SI-POL (SPI) interface. Both of these interfaces allow communication between the microcontroller and the expander chip.The PCF8574RGTR also offers various power supply options from a single supply to multiple supplies. Additionally, it supports several power-saving modes, allowing it to shut down when not in use and extend the system\'s battery life.Overall, the PCF8574RGTR offers a robust, low-cost solution for expanding the number of input and output pins in a system. It is suitable for a wide range of applications and can easily be integrated into existing systems. Its features make it an ideal choice for designers who need to reduce cost and/or power usage while adding additional ports to their system.

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