PCF8575DBRE4 Allicdata Electronics
Allicdata Part #:

PCF8575DBRE4-ND

Manufacturer Part#:

PCF8575DBRE4

Price: $ 0.87
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC I/O EXPANDER I2C 16B 24SSOP
More Detail: I/O Expander 16 I²C, SMBus 400kHz 24-SSOP
DataSheet: PCF8575DBRE4 datasheetPCF8575DBRE4 Datasheet/PDF
Quantity: 1000
2000 +: $ 0.78926
Stock 1000Can Ship Immediately
$ 0.87
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Part Status: Active
Number of I/O: 16
Interface: I²C, SMBus
Interrupt Output: Yes
Features: POR
Output Type: Push-Pull
Current - Output Source/Sink: 1mA, 25mA
Clock Frequency: 400kHz
Voltage - Supply: 2.5 V ~ 5.5 V
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Package / Case: 24-SSOP (0.209", 5.30mm Width)
Supplier Device Package: 24-SSOP
Base Part Number: PCF8575
Description

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The PCF8575DBRE4 is an integrated circuit that belongs to the family of I/O expanders. It is a general-purpose 16-bit input/output (I/O) port expander that can be used to interface any system that is short on I/O ports. The IC offers a high level of integration and the user only needs to provide the basic input and output signals for it to operate.

The PCF8575DBRE4 has an Operating Voltage of 3.3V and an Operating Temperature of -40°C to 85°C. It provides up to sixteen digital input/output pins that can be configured either as general purpose input/output FETs or as a combination of input, output and open-drain logic. It also features an interrupt generator which can be used to generate an interrupt signal whenever one or more of the pins change state. The outputs of the I/O port are also protected against back-drive current, which prevents the output pins from being accidentally drawn to their opposite voltage potential.

The working principle of the PCF8575DBRE4 is quite simple. All sixteen pins of the I/O expander can be configured as either input or output. When configured as an output, the pins can be driven with either 3.3V or set as low impedance, depending on the logic state being applied to an internal logic control bus. When two of the I/O pins are configured as inputs, their state is monitored using the internal logic control bus. At any time, the level on the control bus is determined by the level of the I/O pins: either 3.3V (High) or 0V (Low).

The PCF8575DBRE4 is widely used in many applications such as industrial automation and robotics, medical devices, embedded systems, and automotive applications. Its small footprint and low power consumption make it an ideal choice for a variety of applications. Some of the features offered by the IC include bidirectional data transfer, 16-bit port configuration, addressable interrupts, and open collector outputs.

The PCF8575DBRE4 I/O Expander offers the best of both worlds: it is small and requires little power, yet it packs enough pins to interface with many systems. Its simple operation and high level of integration make it a good choice for many different applications.

The specific data is subject to PDF, and the above content is for reference

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