PCA9515D,112

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level shifting and translating between different voltage levels in I2C bus systems
• Characteristics:
  • Bidirectional voltage-level translator
  • Supports I2C Fast Mode Plus (Fm+) and Standard Mode (Sm)
  • Compatible with both 3.3V and 5V systems
  • Low standby current consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Facilitates communication between devices operating at different voltage levels in I2C bus systems
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Data Rate: 1 Mbps
• Number of Channels: 2
• Input High-Level Voltage (VIH): 0.7 x VDD
• Input Low-Level Voltage (VIL): 0.3 x VDD
• Output High-Level Voltage (VOH): 0.9 x VDD
• Output Low-Level Voltage (VOL): 0.1 x VDD

Detailed Pin Configuration

The PCA9515D,112 IC has a total of 8 pins arranged as follows:

___________ | | 1 | | 8 |___________|

Pin Description: 1. SDA1: Serial Data Line 1 2. SCL1: Serial Clock Line 1 3. GND: Ground 4. OE: Output Enable 5. SDA2: Serial Data Line 2 6. SCL2: Serial Clock Line 2 7. VREF: Reference Voltage 8. VCC: Supply Voltage

Functional Features

• Bidirectional voltage-level translation between two I2C buses operating at different voltage levels
• Automatic direction sensing and control
• Supports multiple devices on the same bus
• Low standby current consumption for power efficiency
• Compatible with both 3.3V and 5V systems

Advantages and Disadvantages

Advantages: - Enables communication between devices with different voltage levels in I2C bus systems - Supports high-speed data transfer up to 1 Mbps - Easy to use and integrate into existing systems - Low power consumption in standby mode

Disadvantages: - Limited to level shifting and translating within I2C bus systems only - Not suitable for applications requiring voltage translation beyond the specified range

Working Principles

The PCA9515D,112 is a bidirectional voltage-level translator specifically designed for I2C bus systems. It allows devices operating at different voltage levels to communicate seamlessly by converting the logic levels of the serial data (SDA) and clock (SCL) lines.

The IC automatically senses the direction of data flow and adjusts the voltage levels accordingly. It supports both I2C Fast Mode Plus (Fm+) and Standard Mode (Sm), making it compatible with a wide range of devices.

Detailed Application Field Plans

The PCA9515D,112 is commonly used in various applications where voltage-level translation is required in I2C bus systems. Some typical application fields include: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

• PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator
• TXB0108: 8-bit bidirectional voltage-level translator with automatic direction sensing

These alternative models offer similar functionality and can be considered as alternatives to the PCA9515D,112 depending on specific requirements and system constraints.

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