SN74LVC2T45DCTT

Product Overview

Category

The SN74LVC2T45DCTT belongs to the category of integrated circuits (ICs), specifically digital logic level shifters.

Use

This IC is primarily used for voltage level shifting in digital communication systems. It enables bidirectional voltage translation between different voltage domains, making it suitable for interfacing devices operating at different logic levels.

Characteristics

• Bidirectional voltage level shifting
• Supports voltage translation from 1.2V to 5.5V
• Low power consumption
• High-speed operation
• Small form factor
• RoHS compliant

Package

The SN74LVC2T45DCTT is available in a small package known as Thin Shrink Small Outline Package (TSSOP). This package offers a compact footprint and facilitates easy integration into various electronic designs.

Essence

The essence of SN74LVC2T45DCTT lies in its ability to provide seamless voltage level translation, ensuring compatibility between devices operating at different voltage levels.

Packaging/Quantity

The IC is typically supplied in reels or tubes, with each reel or tube containing a specific quantity of SN74LVC2T45DCTT ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage: 1.2V to 5.5V
• Logic Voltage Levels: 1.2V, 1.8V, 2.5V, 3.3V, 5V
• Number of Channels: 2
• Maximum Data Rate: 100 Mbps
• Operating Temperature Range: -40°C to +85°C
• Input/Output Capacitance: 4 pF (typical)
• Propagation Delay: 6 ns (typical)

Detailed Pin Configuration

The SN74LVC2T45DCTT has a total of 12 pins, which are assigned specific functions as follows:

1. OE (Output Enable) - Output enable pin for controlling the direction of data flow.
2. A1 - Channel A input/output pin.
3. GND - Ground reference pin.
4. B1 - Channel B input/output pin.
5. VCCA - Power supply voltage for channel A.
6. VCCB - Power supply voltage for channel B.
7. B2 - Channel B input/output pin.
8. A2 - Channel A input/output pin.
9. GND - Ground reference pin.
10. OE (Output Enable) - Output enable pin for controlling the direction of data flow.
11. B3 - Channel B input/output pin.
12. A3 - Channel A input/output pin.

Functional Features

• Bidirectional voltage level shifting: Allows seamless translation of logic levels between different voltage domains.
• Automatic direction control: The direction of data flow is controlled by the OE (Output Enable) pin.
• High-speed operation: Supports data rates up to 100 Mbps, making it suitable for high-speed digital communication systems.
• Low power consumption: Designed to minimize power consumption, making it ideal for battery-powered applications.
• ESD protection: Provides built-in electrostatic discharge (ESD) protection, ensuring robustness and reliability.

Advantages and Disadvantages

Advantages

• Enables voltage level translation between different logic levels.
• Compact form factor allows for easy integration into various electronic designs.
• Supports bidirectional data flow.
• Wide operating voltage range ensures compatibility with a variety of devices.
• High-speed operation facilitates efficient data transfer.

Disadvantages

• Limited number of channels (2 channels).
• May require additional external components for certain applications.
• Not suitable for voltage translation beyond the specified voltage range.

Working Principles

The SN74LVC2T45DCTT operates based on the principles of voltage level shifting. It utilizes a combination of MOSFETs and control logic to enable bidirectional translation between different voltage domains. The direction of data flow is controlled by the OE (Output Enable) pin, which determines whether the input signals are transmitted from channel A to channel B or vice versa. When the OE pin is high, the IC is in the active state, allowing data transmission. Conversely, when the OE pin is low, the IC is in the high-impedance state, effectively isolating the input and output channels.

Detailed Application Field Plans

The SN74LVC2T45DCTT finds applications in various fields where voltage level translation is required. Some of the common application areas include:

1. Microcontroller interfacing: The IC enables communication between microcontrollers operating at different logic levels.
2. Sensor networks: It facilitates voltage level translation in sensor networks, allowing seamless integration of sensors with different voltage requirements.
3. Industrial automation: The IC can be used in industrial automation systems to interface devices operating at different