PCF8574 Datasheet, PDF - Alldatasheet

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PCF8574 Datasheet, PDF

Search Partnumber : Match&Start with "PCF8574" - Total : 220 ( 1/11 Page)

Manufacturer	Part #	Datasheet	Description
NXP Semiconductors	PCF8574	156Kb/24P	Remote 8-bit I/O expander for I2C-bus 1997 Apr 02
Texas Instruments	PCF8574	943Kb/23P	REMOTE 8-BIT I/O EXPANDER FOR I2C BUS
	PCF8574	1Mb/26P	REMOTE 8-BIT I/O EXPANDER FOR I2C BUS
	PCF8574	959Kb/26P	REMOTE 8-BIT I/O EXPANDER FOR I2C BUS
NXP Semiconductors	PCF8574	138Kb/24P	Remote 8-bit I/O expander for I2C-bus 2002 Nov 22
	PCF8574	727Kb/8P	Smart, simple solutions for the 12 most common design concerns August 2011
	PCF8574	132Kb/24P	Remote 8-bit I/O expander for I2C-bus 1997 Apr 02
Texas Instruments	PCF8574	2Mb/42P	PCF8574 Remote 8-Bit I/O Expander for I2C Bus REVISED SEPTEMBER 2024
	PCF8574A	392Kb/16P	REMOTE 8BIT I/O EXPANDER FOR I2C BUS
	PCF8574A	771Kb/21P	REMOTE 8-BIT I/O EXPANDER FOR I2C BUS
	PCF8574A	683Kb/21P	REMOTE 8-BIT I/O EXPANDER FOR I2C BUS
NXP Semiconductors	PCF8574A	727Kb/8P	Smart, simple solutions for the 12 most common design concerns August 2011
Texas Instruments	PCF8574A	2Mb/39P	PCF8574A Remote 8-Bit I/O Expander for I2C Bus REVISED SEPTEMBER 2024
	PCF8574ADGVR	392Kb/16P	REMOTE 8BIT I/O EXPANDER FOR I2C BUS
	PCF8574ADGVR	771Kb/21P	REMOTE 8-BIT I/O EXPANDER FOR I2C BUS
	PCF8574ADGVR	683Kb/21P	REMOTE 8-BIT I/O EXPANDER FOR I2C BUS
	PCF8574ADGVR	1Mb/35P	Remote 8-Bit I/O Expander
	PCF8574ADGVR	2Mb/39P	PCF8574A Remote 8-Bit I/O Expander for I2C Bus REVISED SEPTEMBER 2024
	PCF8574ADGVR.A	2Mb/39P	PCF8574A Remote 8-Bit I/O Expander for I2C Bus REVISED SEPTEMBER 2024
	PCF8574ADGVRE4	771Kb/21P	REMOTE 8-BIT I/O EXPANDER FOR I2C BUS

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PCF8574 Datasheet, PDF [Distributor]

Distributor	Part #	Manufacturer Datasheet	Description	Buy Now
Element14	PCF8574P	NXP	IC, I/O EXPANDER 8BIT, 8574, DIP16; IC Function:8bit I/O Expander; Supply Voltage Min:2.5V; Supply V...
	PCF8574AP	NXP	IC, I/O EXPANDER 8BIT, 8574, DIP16; Chip Configuration:8bit; Bus Frequency:100kHz; IC Interface Type...

PCF8574 Distributor

Distributor	Part #	Manufacturer	Description	Price	Qty. BuyNow

Brief Description of PCF8574

The PCF8574 is an integrated circuit (IC) produced by various semiconductor manufacturers such as NXP Semiconductors (formerly Philips Semiconductor) and Texas Instruments. It is commonly used as an I/O expander for microcontroller-based systems, particularly in applications where additional digital input and output pins are needed. Here are the key features and specifications of the PCF8574:

I/O Expander: The PCF8574 is primarily designed as an 8-bit I/O expander, allowing microcontrollers with limited GPIO (General Purpose Input/Output) pins to expand their I/O capabilities.

Bidirectional I/O Pins: The PCF8574 features 8 bidirectional I/O pins, which can be individually configured as either inputs or outputs under software control.

I2C Interface: The PCF8574 communicates with the microcontroller or other devices via the I2C (Inter-Integrated Circuit) serial communication protocol. It acts as an I2C slave device with selectable I2C address pins, allowing multiple PCF8574 devices to be connected to the same I2C bus.

Low Standby Current Consumption: The PCF8574 has low standby current consumption, making it suitable for battery-powered applications and energy-efficient designs.

Wide Operating Voltage Range: The PCF8574 typically operates over a wide voltage range, typically from 2.5 volts to 6 volts, allowing flexibility in various power supply configurations.

Schmitt Trigger Inputs: The PCF8574 features Schmitt trigger inputs, which provide hysteresis and noise immunity, ensuring reliable operation in noisy environments.

Open-Drain Outputs: The PCF8574 outputs are open-drain, meaning they can sink current but cannot source current. External pull-up resistors are required to pull the outputs high.

Application: The PCF8574 is widely used in various electronic devices and systems requiring additional digital input and output pins, such as keypads, LCD displays, LED matrices, relay drivers, and sensor interfaces.

Package Type: The PCF8574 is commonly available in a variety of packages, including PDIP (Plastic Dual Inline Package), SOIC (Small Outline Integrated Circuit), and TSSOP (Thin Shrink Small Outline Package), offering flexibility in PCB layout and assembly.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.

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