74LVC2T45GT,115

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter/Translator
• Characteristics: Bi-directional voltage level shifting, low power consumption, high-speed operation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC is designed to shift voltage levels between two different logic families, allowing communication between devices operating at different voltage levels.
• Packaging/Quantity: Available in reels of 2500 pieces

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 70% of VCC
• Low-Level Input Voltage: 30% of VCC
• High-Level Output Voltage: 90% of VCC
• Low-Level Output Voltage: 10% of VCC
• Maximum Operating Frequency: 400 MHz
• Maximum Propagation Delay: 4.3 ns

Detailed Pin Configuration

The 74LVC2T45GT,115 has a total of 12 pins: 1. OE (Output Enable) - Active LOW output enable input 2. A1 - Data input/output channel A 3. GND - Ground 4. B1 - Data input/output channel B 5. VCCA - Power supply for channel A 6. VCCB - Power supply for channel B 7. DIR - Direction control input 8. NC (No Connection) - No internal connection 9. B2 - Data input/output channel B 10. GND - Ground 11. A2 - Data input/output channel A 12. VCC - Positive power supply

Functional Features

• Bi-directional voltage level shifting: Allows bidirectional data transfer between devices operating at different voltage levels.
• Automatic direction control: The DIR pin determines the direction of data flow.
• Output enable control: The OE pin can be used to disable the outputs when not in use, reducing power consumption.

Advantages

• Wide supply voltage range allows compatibility with various logic families.
• High-speed operation enables fast data transfer.
• Low power consumption makes it suitable for battery-powered devices.
• Small package size saves board space.

Disadvantages

• Limited number of channels (2 channels).
• Not suitable for level shifting between very high voltage differences.

Working Principles

The 74LVC2T45GT,115 is a voltage level shifter that uses a combination of MOSFETs and CMOS technology. It operates by translating the logic levels of input signals from one voltage domain to another. The DIR pin determines the direction of data flow, while the OE pin controls the output enable function.

Detailed Application Field Plans

The 74LVC2T45GT,115 is commonly used in various applications where voltage level translation is required. Some of its typical application fields include: - Interfacing between microcontrollers operating at different voltage levels. - Communication between different logic families, such as TTL and CMOS. - Level shifting in I2C, SPI, or UART communication interfaces. - Signal conversion in mixed-voltage systems.

Detailed and Complete Alternative Models

• SN74LVC2T45DCT - TSSOP package, similar specifications
• NC7WZT245K8X - SOT-23 package, similar functionality
• TXB0102DCUR - VSSOP package, dual-bit level translator

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