SN74LVTH125D

Product Overview

Category

SN74LVTH125D belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for signal buffering and level shifting in digital electronic circuits.

Characteristics

• Low-voltage operation: Operates at a voltage range of 2.7V to 3.6V.
• High-speed performance: Provides fast switching times, making it suitable for high-frequency applications.
• Tri-state outputs: Allows multiple devices to share a common bus without interference.
• Schmitt-trigger inputs: Ensures reliable input signal transitions even in the presence of noise.
• 3-state outputs: Enables easy connection to other devices without causing conflicts.

Package

SN74LVTH125D is available in a small-outline integrated circuit (SOIC) package.

Essence

The essence of SN74LVTH125D lies in its ability to buffer and shift logic levels, ensuring proper signal integrity in digital circuits.

Packaging/Quantity

SN74LVTH125D is typically packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Logic Family: LVTH
• Number of Channels: 4
• Input/Output Type: Non-Inverting
• Output Current: ±12mA
• Propagation Delay Time: 3.5ns (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

SN74LVTH125D consists of 14 pins, each serving a specific function:

1. OE (Output Enable) - Active low output enable pin.
2. A1 - Input pin for channel 1.
3. Y1 - Output pin for channel 1.
4. GND - Ground reference pin.
5. Y2 - Output pin for channel 2.
6. A2 - Input pin for channel 2.
7. VCC - Positive power supply pin.
8. B1 - Input pin for channel 1.
9. Y3 - Output pin for channel 3.
10. A3 - Input pin for channel 3.
11. B2 - Input pin for channel 2.
12. Y4 - Output pin for channel 4.
13. A4 - Input pin for channel 4.
14. VCC - Positive power supply pin.

Functional Features

• Buffering: SN74LVTH125D acts as a buffer, ensuring signal integrity by isolating the input from the output.
• Level Shifting: It can shift logic levels from one voltage domain to another, allowing compatibility between different parts of a circuit.
• Tri-State Outputs: The tri-state outputs enable multiple devices to share a common bus without causing conflicts or data corruption.
• Schmitt-Trigger Inputs: These inputs provide hysteresis, making the IC less susceptible to noise and ensuring reliable signal transitions.

Advantages and Disadvantages

Advantages

• Low-voltage operation allows for compatibility with modern digital systems.
• High-speed performance makes it suitable for high-frequency applications.
• Tri-state outputs facilitate bus sharing and reduce conflicts.
• Schmitt-trigger inputs ensure reliable signal transitions in noisy environments.

Disadvantages

• Limited number of channels (4) may not be sufficient for complex circuits requiring more inputs/outputs.
• Availability and pricing may vary depending on the supplier.

Working Principles

SN74LVTH125D operates based on the principles of CMOS (Complementary Metal-Oxide-Semiconductor) technology. It utilizes MOSFET transistors to control the flow of current and achieve buffering and level shifting functionalities. The IC's internal circuitry ensures proper voltage translation and signal isolation, allowing for seamless integration into digital circuits.

Detailed Application Field Plans

SN74LVTH125D finds applications in various fields, including:

1. Microcontrollers: It can be used to interface microcontrollers with different voltage levels.
2. Communication Systems: SN74LVTH125D enables level shifting and buffering in communication interfaces such as UART, SPI, and I2C.
3. Industrial Automation: It is suitable for signal conditioning and interfacing in industrial automation systems.
4. Consumer Electronics: The IC can be utilized in devices like smartphones, tablets, and gaming consoles for level shifting and signal buffering.

Detailed and Complete Alternative Models

1. SN74LVC125A: Similar to SN74LVTH125D, but operates at a lower voltage range (1.65V to 5.5V).
2. SN74HCT125: A TTL-compatible alternative with higher output current capability.
3. SN74LV1T125: Single-channel buffer with similar characteristics, suitable for low-power applications.

These alternative models offer similar functionalities to SN74LVTH125D but may have different voltage ranges, package types,