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PCA9554BS3,118
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PCA9554BS3,118

Product Overview

Category

PCA9554BS3,118 belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • I2C-bus interface compatible
  • 8-bit remote I/O port with interrupt
  • Low standby current consumption
  • Schmitt trigger action on all inputs
  • Open-drain active-low interrupt output
  • Noise filter on SDA/SCL inputs
  • Latched outputs with high-current drive capability
  • ESD protection exceeds JESD 22, 2000-V human-body model (A114-A)
  • Package: SOT96-1 (SSOP16)

Packaging/Quantity

PCA9554BS3,118 is typically packaged in a reel. Each reel contains 2500 units.

Specifications

  • Supply voltage range: 2.3 V to 5.5 V
  • Input voltage range: 0 V to VDD
  • Output voltage range: 0 V to VDD
  • Operating temperature range: -40°C to +85°C
  • I2C-bus frequency: 100 kHz and 400 kHz

Detailed Pin Configuration

The PCA9554BS3,118 has a total of 16 pins. The pin configuration is as follows:

```

| | | 1 9 16 | | | | 2 8 15 | | | | 3 7 14 | | | | 4 6 13 | | | | 5 10 12 | |_______________| ```

Functional Features

  • Provides 8 programmable I/O pins
  • Allows bidirectional I/O expansion via the I2C-bus
  • Supports interrupt capability for efficient communication
  • Offers noise filtering on the I2C-bus inputs
  • Provides latched outputs with high-current drive capability

Advantages and Disadvantages

Advantages

  • Compatible with I2C-bus interface, ensuring easy integration into existing systems
  • Low standby current consumption, making it energy-efficient
  • Schmitt trigger action on all inputs improves noise immunity
  • ESD protection exceeds industry standards, enhancing reliability

Disadvantages

  • Limited number of I/O pins (8 in total)
  • Requires an external microcontroller or host device to control and communicate with the PCA9554BS3,118

Working Principles

The PCA9554BS3,118 operates by communicating with a microcontroller or host device through the I2C-bus interface. It provides 8 programmable I/O pins that can be configured as either inputs or outputs. The device supports bidirectional I/O expansion, allowing for flexible connectivity with other devices.

Detailed Application Field Plans

The PCA9554BS3,118 finds applications in various fields, including but not limited to: 1. Industrial automation 2. Consumer electronics 3. Automotive systems 4. Internet of Things (IoT) devices 5. Robotics 6. Medical equipment

Detailed and Complete Alternative Models

Some alternative models to PCA9554BS3,118 include: 1. PCA9554PW,112 2. PCA9554DB,118 3. PCA9554D,112 4. PCA9554PW,118 5. PCA9554BS,118

These models offer similar functionality and can be considered as alternatives based on specific requirements.

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10個與PCA9554BS3,118在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of PCA9554BS3,118:

  1. Question: What is PCA9554BS3,118?
    Answer: PCA9554BS3,118 is a 8-bit I2C-bus and SMBus I/O expander with interrupt output and configuration registers.

  2. Question: What is the purpose of PCA9554BS3,118 in technical solutions?
    Answer: PCA9554BS3,118 is used to expand the number of I/O pins available on a microcontroller or other digital devices.

  3. Question: How many I/O pins does PCA9554BS3,118 provide?
    Answer: PCA9554BS3,118 provides 8 I/O pins that can be configured as inputs or outputs.

  4. Question: Can PCA9554BS3,118 be controlled using I2C or SMBus interface?
    Answer: Yes, PCA9554BS3,118 can be controlled using either I2C or SMBus interface.

  5. Question: What is the maximum voltage that PCA9554BS3,118 can handle?
    Answer: PCA9554BS3,118 can handle a maximum voltage of 5.5V.

  6. Question: Can PCA9554BS3,118 be used for both input and output operations simultaneously?
    Answer: Yes, PCA9554BS3,118 can be configured to perform both input and output operations simultaneously.

  7. Question: Does PCA9554BS3,118 have built-in pull-up resistors?
    Answer: Yes, PCA9554BS3,118 has built-in programmable pull-up resistors for each I/O pin.

  8. Question: Can PCA9554BS3,118 generate interrupts?
    Answer: Yes, PCA9554BS3,118 has an interrupt output pin that can be configured to generate interrupts based on the input status.

  9. Question: What is the operating temperature range of PCA9554BS3,118?
    Answer: PCA9554BS3,118 has an operating temperature range of -40°C to +85°C.

  10. Question: Can multiple PCA9554BS3,118 devices be connected together on the same I2C bus?
    Answer: Yes, multiple PCA9554BS3,118 devices can be connected together on the same I2C bus by assigning unique addresses to each device.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.