PCA9555D,112
Manufacturer No:
PCA9555D,112
Manufacturer:
Description:
IC XPNDR 400KHZ I2C SMBUS 24SO
Datasheet:
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In Stock : 2113
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PCA9555D,112 Specifications
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TypeParameter
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Supplier Device Package24-SO
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Package / Case24-SOIC (0.295", 7.50mm 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/O16
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DigiKey ProgrammableNot Verified
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PackagingTube
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Product StatusActive
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Series-
The PCA9555D,112 is an integrated circuit (IC) chip provided by NXP Semiconductors. It is a 16-bit I/O expander with an I2C interface and is commonly used in various electronic applications. Here are the advantages and application scenarios of the PCA9555D,112 IC chips:Advantages:1. Increased I/O Ports: The PCA9555D,112 expands the number of available I/O ports on a microcontroller or any device with limited I/O pins. It provides an additional 16 I/O channels, relieving the microcontroller from the burden of handling individual I/Os.2. Simplified Design: By utilizing the PCA9555D,112, engineers can simplify the design of their systems, especially when the target microcontroller has insufficient I/O pins or when multiple devices need to be connected with limited pins available.3. Compatibility: The IC chip is compatible with the I2C interface, a popular communication protocol used in embedded systems, making it easy to interface with a microcontroller or other ICs that support I2C.4. Interrupt Functionality: The PCA9555D,112 has interrupt pins that can be used to signal changes in the status of the I/O ports. This feature helps in reducing the continuous polling of I/O ports by the microcontroller, saving processing power and enhancing efficiency.Application Scenarios:1. Industrial Control Systems: The PCA9555D,112 can be used in industrial control systems where multiple sensors, actuators, and digital outputs need to be controlled by a microcontroller. It aids in expanding the I/O capability of the microcontroller, minimizing the need for additional hardware.2. Home Automation: In home automation systems, the PCA9555D,112 can be utilized to interface with various devices such as switches, relays, sensors, and other peripherals. It simplifies the connection between the microcontroller and multiple I/O devices, enabling efficient control and monitoring.3. Automotive Electronics: The IC chip is also applicable in automotive systems, where control modules often have limited I/O pins to connect to various sensors and actuators. The PCA9555D,112 helps to increase the available GPIOs while utilizing the existing I2C interface.4. Test and Measurement Equipment: Test and measurement equipment may require a large number of I/O pins to connect to multiple signals, sensors, and test points. The PCA9555D,112 IC chip offers an efficient approach to expand the I/O capability of the measurement equipment without the need for extensive changes in the hardware design.Overall, the PCA9555D,112 integrated circuit chip provides a cost-effective solution for expanding the I/O capacity of microcontrollers, assisting in simplifying hardware designs, improving compatibility, and enhancing overall system performance in various application scenarios.
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