Encyclopedia Entry: 74AHCT1G125DBVRE4

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-Speed, Low-Power, Non-Inverting, Tri-State
• Package: SOT-23-5
• Essence: Single Gate Buffer with 3-State Output
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The 74AHCT1G125DBVRE4 is a high-speed CMOS buffer/driver IC designed for general-purpose logic-level translation applications. It operates at a voltage range of 2.0V to 5.5V, making it compatible with both 3.3V and 5V systems. This IC features a non-inverting tri-state output, allowing multiple devices to be connected to a common bus.

Detailed Pin Configuration

The 74AHCT1G125DBVRE4 has a compact SOT-23-5 package with the following pin configuration:

____ OE --| |-- VCC IN1 --| |-- GND OUT --| |-- NC IN2 --| | |____|

• OE: Output Enable (Active Low)
• IN1: Input 1
• OUT: Output
• IN2: Input 2
• VCC: Power Supply Voltage
• GND: Ground
• NC: No Connection

Functional Features

• High-Speed Operation: The 74AHCT1G125DBVRE4 offers fast switching times, making it suitable for applications requiring quick signal propagation.
• Low-Power Consumption: This IC is designed to minimize power consumption, making it ideal for battery-powered devices.
• Non-Inverting Buffer: The buffer provides a high impedance input and a low impedance output, ensuring signal integrity and driving capability.
• Tri-State Output: The tri-state feature allows the output to be disabled, effectively disconnecting it from the bus, reducing contention issues.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - Low-power consumption prolongs battery life in portable devices. - Non-inverting buffer maintains signal integrity. - Tri-state output reduces bus contention.

Disadvantages: - Limited number of inputs/outputs (single gate). - SOT-23-5 package may require careful handling during assembly.

Working Principles

The 74AHCT1G125DBVRE4 operates based on CMOS technology. It utilizes a combination of MOSFET transistors to achieve high-speed switching and low power consumption. The non-inverting buffer amplifies and reproduces the input signal at the output while maintaining signal integrity. The tri-state output allows for easy bus sharing by enabling or disabling the output as needed.

Detailed Application Field Plans

The 74AHCT1G125DBVRE4 is commonly used in various digital systems and applications, including but not limited to:

1. Microcontrollers and Microprocessors
2. Communication Systems
3. Data Acquisition Systems
4. Industrial Automation
5. Consumer Electronics
6. Automotive Electronics

Detailed and Complete Alternative Models

• SN74LVC1G125DBVR
• MC74VHC1GT125DF1G
• TC7SZ125FU

These alternative models offer similar functionality and can be used as replacements for the 74AHCT1G125DBVRE4 in various applications.

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