PCA9306DC,125

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level shifting and voltage translation between different logic levels
• Characteristics:
  • Bidirectional voltage-level translator
  • Supports I2C-bus and SMBus applications
  • Provides bidirectional voltage translation with no direction pin required
  • Low standby current consumption
• Package: SOIC-8
• Essence: Voltage level shifting and translation
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V on A-side, 1.65V to 5.5V on B-side
• Operating Temperature Range: -40°C to +85°C
• Input High-Level Voltage (VIH): 0.7 x VDDB to VDDB+0.3V
• Input Low-Level Voltage (VIL): -0.3V to 0.3 x VDDA
• Output High-Level Voltage (VOH): 0.7 x VDDA to VDDA
• Output Low-Level Voltage (VOL): 0V to 0.4V

Detailed Pin Configuration

1. OE (Output Enable)
2. A-side SDA (Serial Data)
3. A-side SCL (Serial Clock)
4. GND (Ground)
5. B-side SCL (Serial Clock)
6. B-side SDA (Serial Data)
7. VDDA (Voltage Supply for A-side)
8. VDDB (Voltage Supply for B-side)

Functional Features

• Bidirectional voltage-level translation without the need for a direction pin
• Automatic direction sensing
• Supports I2C-bus and SMBus applications
• Low power consumption in standby mode
• Compatible with various logic levels

Advantages

• Simplifies level shifting between different voltage domains
• Eliminates the need for additional components or complex circuitry
• Supports bidirectional communication between devices with different voltage levels
• Provides automatic direction sensing, reducing design complexity

Disadvantages

• Limited to voltage translation between 1.2V and 3.6V on A-side and 1.65V to 5.5V on B-side
• Not suitable for applications requiring voltage translation outside the specified ranges

Working Principles

The PCA9306DC,125 is a bidirectional voltage-level translator designed to facilitate communication between devices operating at different logic levels. It utilizes a level-shifting mechanism to convert signals from one voltage domain to another. The device automatically senses the direction of data flow and adjusts the voltage translation accordingly.

Detailed Application Field Plans

The PCA9306DC,125 can be used in various applications that require voltage level shifting and translation. Some potential application fields include: - Interfacing microcontrollers with different voltage requirements - Communication between sensors and microprocessors operating at different logic levels - Connecting I2C-bus or SMBus devices with varying voltage levels - Level shifting in battery-powered devices with multiple voltage domains

Detailed and Complete Alternative Models

1. PCA9306DP,118: Similar functionality and specifications, available in TSSOP-8 package
2. TXB0104PWR: Quad bidirectional voltage-level translator, supports wider voltage range, available in TSSOP-14 package
3. SN74LVC4245APW: Octal dual-supply bus transceiver with configurable voltage translation, available in TSSOP-24 package

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