74LVC2T45GD,125

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Translator
• Characteristics: Bi-directional voltage level shifting and translation, low power consumption, high-speed operation
• Package: VSSOP (Very Small Outline Package)
• Essence: Dual-bit, dual-supply voltage level shifter
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 0.7 x VCC to VCC + 0.3V
• Low-Level Input Voltage: -0.3V to 0.3V
• High-Level Output Voltage: 0.7 x VCC to VCC + 0.3V
• Low-Level Output Voltage: -0.3V to 0.3V
• Maximum Operating Frequency: 400 MHz
• Maximum Propagation Delay: 4.5 ns

Detailed Pin Configuration

The 74LVC2T45GD,125 has a total of 12 pins: - Pin 1: A1 (Input/Output) - Pin 2: GND (Ground) - Pin 3: B1 (Input/Output) - Pin 4: OE (Output Enable) - Pin 5: VCC (Supply Voltage) - Pin 6: B2 (Input/Output) - Pin 7: A2 (Input/Output) - Pin 8: GND (Ground) - Pin 9: B3 (Input/Output) - Pin 10: OE (Output Enable) - Pin 11: VCC (Supply Voltage) - Pin 12: B4 (Input/Output)

Functional Features

• Bi-directional voltage level shifting between two independent power supply rails
• Automatic direction control based on the voltage levels of the input signals
• Wide supply voltage range allows compatibility with various systems
• High-speed operation enables efficient data transmission
• Low power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages: - Bi-directional level shifting simplifies interfacing between different voltage domains - Wide supply voltage range enhances versatility in system integration - High-speed operation facilitates fast data transfer - Low power consumption contributes to energy efficiency

Disadvantages: - Limited maximum operating frequency compared to some other level shifters - Not suitable for applications requiring very high voltage translation

Working Principles

The 74LVC2T45GD,125 utilizes a combination of MOSFETs and CMOS technology to achieve bi-directional voltage level shifting. The direction of the signal flow is automatically controlled based on the voltage levels of the input signals. When the OE (Output Enable) pin is low, the device is enabled, allowing the signals to be translated bidirectionally. The VCC pins provide the necessary power supply voltages for proper operation.

Detailed Application Field Plans

The 74LVC2T45GD,125 is commonly used in various applications that require voltage level shifting and translation. Some typical application fields include: 1. Communication Systems: Used for interfacing between different voltage domains in communication protocols such as UART, I2C, SPI, etc. 2. Embedded Systems: Facilitates communication between microcontrollers operating at different voltage levels. 3. Consumer Electronics: Enables compatibility between devices with varying voltage requirements, such as smartphones, tablets, and digital cameras. 4. Industrial Automation: Used in industrial control systems to interface between different voltage levels in sensors, actuators, and control circuits. 5. Automotive Electronics: Facilitates voltage level translation in automotive systems, including infotainment systems, engine control units, and body control modules.

Detailed and Complete Alternative Models

1. SN74LVC2T45: Similar dual-bit, dual-supply voltage level shifter from Texas Instruments.
2. NC7WZT125: Bi-directional level shifter with similar characteristics from Fairchild Semiconductor.
3. 74AHC2G07: Dual non-inverting buffer with open-drain outputs, suitable for level shifting applications.

(Note: The above alternative models are provided for reference and may have slight differences in specifications and pin configuration. It is recommended to consult the respective datasheets for detailed information.)

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