PCA9674PW,112

Product Overview

Category

PCA9674PW,112 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for controlling and expanding the number of input/output (I/O) ports in electronic devices.

Characteristics

• The PCA9674PW,112 is a 16-bit I/O expander with an I2C-bus interface.
• It provides an easy way to increase the number of I/O ports available in a system.
• This IC is designed to operate at a voltage range of 2.3V to 5.5V.
• It offers high-speed I2C-bus communication, allowing for efficient data transfer.

Package

The PCA9674PW,112 is available in a TSSOP package.

Essence

The essence of PCA9674PW,112 lies in its ability to expand the number of I/O ports in electronic devices, providing flexibility and convenience in system design.

Packaging/Quantity

This product is typically packaged in reels, with a quantity of 2500 units per reel.

Specifications

• Number of I/O Ports: 16
• Supply Voltage Range: 2.3V to 5.5V
• Communication Interface: I2C-bus
• Operating Temperature Range: -40°C to +85°C
• Package Type: TSSOP

Detailed Pin Configuration

The PCA9674PW,112 has a total of 24 pins. The pin configuration is as follows:

1. SDA (Serial Data)
2. SCL (Serial Clock)
3. A0 (Address Bit 0)
4. A1 (Address Bit 1)
5. A2 (Address Bit 2)
6. RESET (Reset Input)
7. INT (Interrupt Output)
8. P00 (Port 0, Bit 0)
9. P01 (Port 0, Bit 1)
10. P02 (Port 0, Bit 2)
11. P03 (Port 0, Bit 3)
12. P04 (Port 0, Bit 4)
13. P05 (Port 0, Bit 5)
14. P06 (Port 0, Bit 6)
15. P07 (Port 0, Bit 7)
16. P10 (Port 1, Bit 0)
17. P11 (Port 1, Bit 1)
18. P12 (Port 1, Bit 2)
19. P13 (Port 1, Bit 3)
20. P14 (Port 1, Bit 4)
21. P15 (Port 1, Bit 5)
22. P16 (Port 1, Bit 6)
23. P17 (Port 1, Bit 7)
24. GND (Ground)

Functional Features

• I2C-bus interface for easy integration into existing systems.
• Configurable as inputs or outputs on a per-port basis.
• Programmable interrupt output for efficient event handling.
• Low standby current consumption for power efficiency.
• Internal power-on reset for reliable operation.

Advantages and Disadvantages

Advantages

• Provides additional I/O ports without the need for complex circuitry.
• Easy integration into existing systems with I2C-bus interface.
• Flexible configuration of ports as inputs or outputs.
• Efficient event handling with programmable interrupt output.
• Low power consumption in standby mode.

Disadvantages

• Limited to 16 I/O ports, may not be suitable for applications requiring a higher number of ports.
• Requires knowledge of I2C-bus communication protocol for proper implementation.

Working Principles

The PCA9674PW,112 operates by communicating with a microcontroller or other devices through the I2C-bus interface. It can be configured as either an input or output port on a per-port basis. The device is controlled by sending commands and data over the I2C-bus, allowing for flexible control of the I/O ports.

Detailed Application Field Plans

The PCA9674PW,112 finds applications in various fields, including but not limited to:

1. Industrial automation: Used for controlling sensors, actuators, and other devices in industrial systems.
2. Home automation: Enables expansion of I/O ports in smart home devices for enhanced functionality.
3. Automotive electronics: Integrated into automotive systems for controlling lights, switches, and other components.
4. Consumer electronics: Provides additional I/O ports in devices such as gaming consoles, audio systems, and home appliances.

Detailed and Complete Alternative Models

1. PCA9538PW,118
2. MCP23017-E/SP
3. MAX7313ATG+
4. TCA9539PW,118
5. PCF8574T/3,518

These alternative models offer similar