SN74LVTH125DGVR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, and low-power consumption
• Package: VSSOP (Very Small Outline Package)
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Logic Voltage Levels: 1.8V and 3.3V
• Number of Channels: 4
• Input/Output Type: Tri-State
• Propagation Delay: 2.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH125DGVR has a total of 14 pins, which are assigned as follows:

• Pin 1: Output Y1
• Pin 2: Input A1
• Pin 3: Input B1
• Pin 4: GND (Ground)
• Pin 5: Input B2
• Pin 6: Input A2
• Pin 7: Output Y2
• Pin 8: VCC (Supply Voltage)
• Pin 9: Output Y3
• Pin 10: Input A3
• Pin 11: Input B3
• Pin 12: GND (Ground)
• Pin 13: Input B4
• Pin 14: Input A4

Functional Features

• Bidirectional level translation between 1.8V and 3.3V logic signals
• Allows interfacing between devices operating at different voltage levels
• Supports high-speed data transmission
• Tri-state outputs for easy bus sharing
• Low power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation enables fast data transfer - Tri-state outputs facilitate bus sharing in multi-device systems - Low power consumption extends battery life in portable devices

Disadvantages: - Limited to translating between 1.8V and 3.3V logic levels - Not suitable for applications requiring translation between other voltage domains

Working Principles

The SN74LVTH125DGVR utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional level translation. It employs a voltage divider network to shift the logic levels from one voltage domain to another. The device operates by monitoring the input signal levels and adjusting the output levels accordingly, ensuring proper communication between devices operating at different voltages.

Detailed Application Field Plans

The SN74LVTH125DGVR is commonly used in various applications, including:

1. Microcontroller interfacing: Allows communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Facilitates data exchange between sensors and control units with varying voltage requirements.
3. Industrial automation: Enables integration of different subsystems operating at different voltage domains.
4. Battery-powered devices: Provides level translation for efficient power management in portable electronics.
5. Communication systems: Supports voltage level conversion in networking equipment and communication protocols.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-bit dual-supply voltage level translator with similar characteristics and package.
2. SN74AVC4T245PW: Four-bit voltage level translator with tri-state outputs and a wider supply voltage range.
3. SN74HCT125N: Quad buffer/line driver with tri-state outputs, suitable for level shifting applications.

These alternative models offer similar functionality and can be considered as substitutes for the SN74LVTH125DGVR based on specific requirements and system constraints.

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