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PCA9554ADB,112

PCA9554ADB,112

Product Overview

Category

PCA9554ADB,112 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for input/output (I/O) expansion in various electronic devices.

Characteristics

  • I2C-bus interface compatibility
  • 8-bit remote I/O port with interrupt and reset
  • Low standby current consumption
  • Schmitt trigger action on all inputs
  • Open-drain interrupt output
  • Noise filter on SDA/SCL inputs
  • Latched outputs with high-current drive capability
  • ESD protection exceeds JESD 22

Package

PCA9554ADB,112 is available in a small outline package (SO) with 16 pins.

Essence

The essence of PCA9554ADB,112 lies in its ability to provide additional I/O ports for electronic devices, enhancing their functionality and flexibility.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of PCA9554ADB,112 ICs.

Specifications

  • Supply voltage: 2.3 V to 5.5 V
  • Input voltage range: -0.5 V to VDD + 0.5 V
  • Output voltage range: -0.5 V to VDD + 0.5 V
  • Operating temperature range: -40°C to +85°C
  • Maximum clock frequency: 400 kHz

Detailed Pin Configuration

  1. A0: Address input pin
  2. A1: Address input pin
  3. A2: Address input pin
  4. P0: I/O port 0
  5. P1: I/O port 1
  6. P2: I/O port 2
  7. P3: I/O port 3
  8. P4: I/O port 4
  9. P5: I/O port 5
  10. P6: I/O port 6
  11. P7: I/O port 7
  12. INT: Interrupt output pin
  13. SDA: Serial data input/output
  14. SCL: Serial clock input
  15. GND: Ground
  16. VDD: Supply voltage

Functional Features

  • I2C-bus interface allows easy integration with other devices
  • Schmitt trigger action ensures reliable input signal detection
  • Open-drain interrupt output for efficient communication
  • Noise filter on SDA/SCL inputs reduces interference
  • Latched outputs with high-current drive capability enable control of external devices

Advantages and Disadvantages

Advantages

  • Provides additional I/O ports for enhanced device functionality
  • Low standby current consumption helps conserve power
  • Compatibility with I2C-bus interface simplifies integration
  • Schmitt trigger action ensures reliable signal detection

Disadvantages

  • Limited number of I/O ports may restrict the scope of applications
  • Requires knowledge of I2C-bus protocol for proper utilization

Working Principles

PCA9554ADB,112 operates by receiving commands and data through the I2C-bus interface. It processes these instructions to control the input/output ports accordingly. The device can be configured to generate interrupts based on specific conditions, providing efficient communication between the integrated circuit and the host system.

Detailed Application Field Plans

PCA9554ADB,112 finds application in various fields, including but not limited to: 1. Consumer electronics 2. Industrial automation 3. Automotive systems 4. Medical devices 5. Internet of Things (IoT) devices

In consumer electronics, this IC can be used to expand the number of available I/O ports in smart home devices, allowing seamless integration with different sensors and actuators. In industrial automation, PCA9554ADB,112 enables efficient control of peripheral devices and sensors. Automotive systems can benefit from this IC by utilizing it for I/O expansion in vehicle control units. Medical devices can leverage PCA9554ADB,112 to enhance their functionality and connectivity. Lastly, in the IoT domain, this IC facilitates the integration of various devices and sensors, enabling effective data collection and analysis.

Detailed and Complete Alternative Models

  1. PCA9554APW,118
  2. PCA9554DB,112
  3. PCA9554PW,118
  4. PCA9554RGYR
  5. PCA9554RTWR

These alternative models offer similar functionality and features to PCA9554ADB,112, providing users with a range of options based on their specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací PCA9554ADB,112 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of PCA9554ADB,112 in technical solutions:

  1. Q: What is PCA9554ADB,112? A: PCA9554ADB,112 is a 8-bit I/O expander with I2C-bus/SMBus interface, which provides general-purpose remote I/O expansion for most microcontroller families.

  2. Q: What is the maximum voltage that PCA9554ADB,112 can handle? A: PCA9554ADB,112 can handle a maximum voltage of 5.5V.

  3. Q: How many I/O pins does PCA9554ADB,112 have? A: PCA9554ADB,112 has 8 I/O pins that can be configured as inputs or outputs.

  4. Q: Can PCA9554ADB,112 be used with both 3.3V and 5V microcontrollers? A: Yes, PCA9554ADB,112 is compatible with both 3.3V and 5V microcontrollers.

  5. Q: How is PCA9554ADB,112 controlled? A: PCA9554ADB,112 is controlled through the I2C-bus/SMBus interface, allowing for easy integration with microcontrollers.

  6. Q: Can PCA9554ADB,112 be used to drive LEDs? A: Yes, PCA9554ADB,112 can be used to drive LEDs as it can sink up to 25mA per I/O pin.

  7. Q: Is PCA9554ADB,112 capable of generating interrupts? A: Yes, PCA9554ADB,112 has interrupt capability, allowing it to notify the microcontroller when an input changes state.

  8. Q: Can PCA9554ADB,112 be cascaded to expand the number of I/O pins? A: Yes, multiple PCA9554ADB,112 devices can be cascaded together to expand the number of available I/O pins.

  9. Q: What is the operating temperature range of PCA9554ADB,112? A: PCA9554ADB,112 has an operating temperature range of -40°C to +85°C.

  10. Q: Are there any evaluation boards or development kits available for PCA9554ADB,112? A: Yes, NXP provides evaluation boards and development kits that can be used to prototype and test applications using PCA9554ADB,112.

Please note that the specific details and features may vary depending on the manufacturer's documentation and datasheet for PCA9554ADB,112.