PCA9514DP,118

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level shifting and voltage translation between different I2C bus voltages
• Characteristics:
  • Bidirectional voltage-level translator for I2C-bus applications
  • Supports I2C Fast Mode Plus (Fm+) with a data rate of up to 1 Mbps
  • Compatible with both 3.3V and 5V systems
  • Low standby current consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Facilitates communication between I2C devices operating at different voltage levels
• Packaging/Quantity: Available in reels or tubes, quantity varies based on supplier

Specifications

• Supply Voltage Range: 2.3V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Data Rate: 1 Mbps
• Number of Channels: 4
• Input Logic Compatibility: 1.8V, 2.5V, 3.3V, 5V
• Output Logic Compatibility: 1.8V, 2.5V, 3.3V, 5V

Detailed Pin Configuration

The PCA9514DP,118 IC has a total of 14 pins. The pin configuration is as follows:

Pin 1: SDA0 - Channel 0 Serial Data Line Pin 2: SCL0 - Channel 0 Serial Clock Line Pin 3: GND - Ground Pin 4: VCC - Power Supply Pin 5: SDA1 - Channel 1 Serial Data Line Pin 6: SCL1 - Channel 1 Serial Clock Line Pin 7: OE - Output Enable Pin 8: SDA2 - Channel 2 Serial Data Line Pin 9: SCL2 - Channel 2 Serial Clock Line Pin 10: SDA3 - Channel 3 Serial Data Line Pin 11: SCL3 - Channel 3 Serial Clock Line Pin 12: VREF - Voltage Reference Pin 13: NC - No Connection Pin 14: GND - Ground

Functional Features

• Bidirectional voltage-level translation between I2C buses operating at different voltages
• Automatic direction sensing and control
• Supports I2C Fast Mode Plus (Fm+) for high-speed data transfer
• Low standby current consumption for power efficiency
• Enables communication between 3.3V and 5V I2C devices

Advantages and Disadvantages

Advantages

• Simplifies interfacing between I2C devices with different voltage levels
• Supports high-speed data transfer up to 1 Mbps
• Compatible with both 3.3V and 5V systems
• Low power consumption in standby mode

Disadvantages

• Limited to I2C bus applications and not suitable for other protocols
• May require additional components for level shifting in certain scenarios

Working Principles

The PCA9514DP,118 is designed to facilitate communication between I2C devices operating at different voltage levels. It acts as a bidirectional voltage-level translator, allowing I2C signals to be properly translated and understood by devices with varying voltage requirements.

The IC automatically senses the direction of data flow and adjusts the voltage levels accordingly. It supports I2C Fast Mode Plus (Fm+), enabling high-speed data transfer up to 1 Mbps. The device is compatible with both 3.3V and 5V systems, making it versatile for various applications.

Detailed Application Field Plans

The PCA9514DP,118 is commonly used in applications where there is a need to interface I2C devices operating at different voltage levels. Some specific application fields include: - Embedded systems - Consumer electronics - Industrial automation - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

• PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator
• TXB0104: 4-bit bidirectional voltage-level translator with automatic direction sensing

These alternative models offer similar functionality and can be considered as alternatives to the PCA9514DP,118 based on specific requirements.

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