PCA9554ADB,112

Series:	--
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Number of I/O:	8
Interface:	I²C, SMBus
Interrupt Output:	Yes
Features:	POR
Output Type:	Push-Pull
Current - Output Source/Sink:	10mA, 25mA
Clock Frequency:	400kHz
Voltage - Supply:	2.3 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-SSOP (0.209", 5.30mm Width)
Supplier Device Package:	16-SSOP
Base Part Number:	PCA9554

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PCA9554ADB,112 Application Field and Working Principle

The PCA9554ADB,112 is an I/O expander designed to increase the number of I/O ports available to a microcontroller or an FPGA. It is capable of multiple communication protocols and can be used in a wide variety of applications.

Overview

The PCA9554ADB,112 is an I/O expander incorporating a total of 112 I/O ports. These I/O ports can be configured as either digital inputs or outputs. The I/O interrupts of the PCA9554ADB,112 supports level sensitive, edge sensitive and bi-directional interrupt types. In addition, the device supports direct binary addressing for both 8-bit and 16-bit data transfers.The PCA9554ADB,112 is an integrated circuit with an adjustable output current drive, allowing it to interface with a variety of digital components and FPGAs. It contains an internal voltage regulator with open drain pin that limits the output overvoltage protection to 4.8V.

Features

The PCA9554ADB,112 is an I/O expander featuring a total of 112 I/O ports. These I/O ports can be configured as either digital inputs or outputs, allowing the device to be used in many applications. The device is capable of interfacing with a variety of digital components and FPGAs, as well as delivering an adjustable output current. The I/O interrupts of the PCA9554ADB,112 supports a range of interrupt types, such as level sensitive, edge sensitive and bi-directional interrupts. The device also supports direct binary addressing, allowing for both 8-bit and 16-bit data transfers. In addition, the PCA9554ADB,112 features an internal voltage regulator with an open drain pin that provides overvoltage protection up to 4.8V.

Application Fields

The PCA9554ADB,112 is the ideal device for applications where an increased number of I/O ports is required. The device is often used in automation, sensing and control applications. These applications are generally found in industrial and automotive fields , such as monitoring equipment, alarm systems and access control systems. In addition, the PCA9554ADB,112 is often used in consumer electronics, such as televisions, radios and home automation devices. The device is also commonly used in audio applications, such as amplifiers and amplifiers with multiple inputs and outputs.

Working Principle

The PCA9554ADB,112 is an I/O expander designed to enable a microcontroller or an FPGA to communicate with more I/O ports than it is normally able to. The device works by increasing the number of I/O ports available to the microcontroller or FPGA.The device features 112 I/O ports that can be configured as either digital inputs or outputs. The I/O interrupts support a range of interrupt types, and the device supports direct binary addressing for 8-bit and 16-bit data transfers. The PCA9554ADB,112 is also equipped with an adjustable output current drive, allowing it to interface with a variety of digital components and FPGAs. An internal voltage regulator provides overvoltage protection up to 4.8V.

Conclusion

The PCA9554ADB,112 is a powerful I/O expander. It is ideal for applications where an increased number of I/O ports is required. The device supports a range of communication protocols, a wide range of I/O interrupt types and direct binary addressing for both 8-bit and 16-bit data transfers. In addition, the device is capable of interfacing with a variety of digital components and FPGAs, and it features an internal voltage regulator with an open drain pin that limits the output overvoltage protection to 4.8V. The PCA9554ADB,112 is thus an excellent choice for a wide range of interface and I/O expander applications.

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