PCA9554ADB,112
Manufacturer No:
PCA9554ADB,112
Manufacturer:
Description:
IC XPNDR 400KHZ I2C SMBUS 16SSOP
Datasheet:
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PCA9554ADB,112 Specifications
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TypeParameter
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Supplier Device Package16-SSOP
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Package / Case16-SSOP (0.209", 5.30mm Width)
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Mounting TypeSurface Mount
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Operating Temperature-40°C ~ 85°C
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Voltage - Supply2.3V ~ 5.5V
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Clock Frequency400 kHz
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Current - Output Source/Sink10mA, 25mA
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Output TypePush-Pull
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FeaturesPOR
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Interrupt OutputYes
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InterfaceI²C, SMBus
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Number of I/O8
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DigiKey ProgrammableNot Verified
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PackagingTube
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PackagingTube
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Product StatusObsolete
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Series-
The PCA9554ADB,112 is an integrated circuit chip from Texas Instruments based on the PCA9554A device. It is a 8-bit I2C-bus and SMBus I/O expander that provides remote I/O expansion for most microcontroller or microprocessor systems. It has a wide range of applications and offers several advantages:1. I2C Interface: The chip communicates using the I2C-bus interface, which allows for easy integration with various microcontrollers and microprocessors that support this interface.2. Digital I/O Expansion: The PCA9554ADB,112 provides 8 input/output (I/O) pins that can be individually configured as input or output. This enables system designers to expand the number of available I/O pins on their microcontroller or microprocessor.3. Interrupt Functionality: The chip has interrupt functionality that can be used to generate an interrupt at the microcontroller when any of the input pins experience a change in their logic level. This feature is useful for applications that require real-time response to external events.4. Low Standby Current: The device has a low standby current consumption, making it suitable for power-constrained applications where power savings are crucial.5. Address Selectability: The PCA9554ADB,112 supports up to 8 different I2C addresses, allowing multiple devices to be connected on the same I2C-bus. This feature is useful in systems that require multiple I/O expanders to accommodate a larger number of I/O pins.Some application scenarios where the PCA9554ADB,112 can be used effectively include:1. Home Automation: The chip can be utilized to interface with sensors, switches, and control devices in home automation systems. It enables expansion of the available I/O pins on microcontrollers, allowing for easier integration and control of various home automation devices.2. Industrial Controls: The device can be employed in industrial control systems to increase the number of available I/O pins for interfacing with sensors, actuators, and other control devices. It can help in monitoring and controlling different parameters in industrial processes.3. IoT Devices: In Internet of Things (IoT) applications, the PCA9554ADB,112 can be used to expand the I/O capabilities of microcontrollers or microprocessors used in IoT devices. It allows for easy integration of additional sensors, actuators, or communication modules.4. Robotics: The chip can be beneficial in robotics applications for expanding the I/O capabilities of the control system. It enables connecting and controlling multiple sensors, motors, and other peripherals used in robotic systems.5. Smart Lighting Systems: With the PCA9554ADB,112, it is possible to interface with multiple LEDs, sensors, and controllers in smart lighting systems. It enables control and customization of lighting effects and allows for remote management.Overall, the PCA9554ADB,112 offers a compact and flexible solution for I/O expansion in various applications, providing increased functionality, ease of integration, and efficient utilization of resources.
PCA9554ADB,112 Relevant information
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Burr Brown