PI4IOE5V9673ZDEX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Input/Output Expander
• Characteristics:
  • Low-voltage level shifting
  • Bidirectional voltage translation
  • High-speed operation
  • Small package size
• Package: 20-pin SSOP (Shrink Small Outline Package)
• Essence: IO expander with voltage level shifting capabilities
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 1.65V to 5.5V
• Number of I/Os: 16
• I/O Voltage Levels: 1.8V, 2.5V, 3.3V, and 5V
• Maximum Frequency: 400 MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PI4IOE5V9673ZDEX has a total of 20 pins. The pin configuration is as follows:

1. VCCA - Power supply for the A-side I/Os
2. GND - Ground
3. SDA - Serial Data Line
4. SCL - Serial Clock Line
5. RESET - Reset Input
6. INT - Interrupt Output
7. OE - Output Enable Input
8. VCCB - Power supply for the B-side I/Os 9-24. I/O0-I/O15 - Bidirectional I/O Pins

Functional Features

• Bidirectional voltage translation between different voltage levels
• Supports multiple voltage levels (1.8V, 2.5V, 3.3V, and 5V)
• High-speed operation for efficient data transfer
• Low-voltage level shifting for compatibility with different logic families
• Configurable interrupt output for event-driven applications
• Reset input for system initialization
• Output enable input for controlling the direction of data flow

Advantages and Disadvantages

Advantages: - Enables interfacing between devices operating at different voltage levels - Compact package size allows for space-efficient designs - High-speed operation ensures efficient data transfer - Configurable interrupt output enhances event-driven applications

Disadvantages: - Limited number of I/O pins (16 in total) - Requires external pull-up resistors for I2C communication

Working Principles

The PI4IOE5V9673ZDEX is an input/output expander that facilitates voltage level shifting between different logic families. It operates by translating signals from one voltage level to another, allowing devices with incompatible voltage requirements to communicate seamlessly.

The device utilizes bidirectional voltage translation, enabling both input and output operations. It supports multiple voltage levels, making it versatile for various applications. The integrated circuit incorporates low-voltage level shifting techniques to ensure compatibility between different logic families.

The PI4IOE5V9673ZDEX also features an interrupt output that can be configured for event-driven applications. Additionally, it includes a reset input for system initialization and an output enable input for controlling the direction of data flow.

Detailed Application Field Plans

The PI4IOE5V9673ZDEX finds application in various fields, including:

1. Embedded Systems: Used to interface microcontrollers or processors operating at different voltage levels.
2. Industrial Automation: Facilitates communication between devices with varying voltage requirements in industrial control systems.
3. Consumer Electronics: Enables connectivity between devices such as smartphones, tablets, and peripherals.
4. Internet of Things (IoT): Supports voltage level translation in IoT devices, allowing seamless integration into different networks.
5. Automotive Electronics: Used in automotive applications where different voltage levels need to be translated for communication between modules.

Detailed and Complete Alternative Models

1. PCA9306: Bidirectional I2C-bus and SMBus voltage-level translator with automatic direction sensing.
2. TXB0108: 8-bit bidirectional voltage-level translator with automatic direction sensing.
3. SN74LVC1T45: Single-bit dual-supply bus transceiver with configurable voltage translation.

These alternative models offer similar functionality to the PI4IOE5V9673ZDEX and can be considered as alternatives based on specific application requirements.

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