Encyclopedia Entry: 74VHCT126D,118

Product Overview

Category

The 74VHCT126D,118 belongs to the category of integrated circuits (ICs) and specifically falls under the family of logic gates.

Use

This IC is commonly used in digital electronics for signal buffering and line driving applications. It provides a high-speed, low-power solution for voltage level translation between different logic levels.

Characteristics

• High-Speed Operation: The 74VHCT126D,118 offers fast switching times, making it suitable for high-frequency applications.
• Low Power Consumption: This IC is designed to operate at low power levels, ensuring energy efficiency.
• Wide Operating Voltage Range: It can accommodate a wide range of input and output voltage levels, enhancing its versatility.
• Compact Package: The 74VHCT126D,118 is available in a small outline package (SOP), which allows for space-saving integration into electronic circuits.
• RoHS Compliant: This IC is manufactured using materials that comply with the Restriction of Hazardous Substances (RoHS) directive.

Packaging/Quantity

The 74VHCT126D,118 is typically packaged in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100MHz
• Number of Pins: 14
• Logic Family: VHCT
• Logic Type: Quad Buffer/Line Driver

Detailed Pin Configuration

The 74VHCT126D,118 IC consists of 14 pins, each serving a specific function. The pin configuration is as follows:

1. Pin 1: Output (Y1)
2. Pin 2: Input (A1)
3. Pin 3: Enable (G1)
4. Pin 4: Ground (GND)
5. Pin 5: Output (Y2)
6. Pin 6: Input (A2)
7. Pin 7: Enable (G2)
8. Pin 8: VCC
9. Pin 9: Output (Y3)
10. Pin 10: Input (A3)
11. Pin 11: Enable (G3)
12. Pin 12: NC (Not Connected)
13. Pin 13: Output (Y4)
14. Pin 14: Input (A4)

Functional Features

The 74VHCT126D,118 offers the following functional features:

• Quad Buffer/Line Driver: It can buffer and drive up to four independent logic signals simultaneously.
• High-Speed Operation: The IC ensures fast signal propagation, minimizing delays in digital circuits.
• Output Enable Control: The enable pins (G1, G2, G3) allow for individual control of each output, providing flexibility in signal routing.

Advantages and Disadvantages

Advantages

• Fast switching times enable high-speed data transmission.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range allows compatibility with various logic levels.
• Compact package facilitates space-saving integration into electronic designs.

Disadvantages

• Limited number of input/output channels compared to other ICs in the same category.
• May require additional external components for specific applications.

Working Principles

The 74VHCT126D,118 operates based on the principles of voltage level translation and signal buffering. It receives input signals from one logic level and translates them to another logic level, ensuring proper compatibility between different parts of a digital circuit. The IC amplifies and drives the output signals to their respective destinations, maintaining signal integrity and minimizing noise.

Detailed Application Field Plans

The 74VHCT126D,118 finds applications in various fields, including:

1. Microcontroller Interfacing: It can be used to interface microcontrollers with different logic level devices, such as sensors, actuators, and displays.
2. Communication Systems: The IC facilitates voltage level translation in communication systems, ensuring seamless data transfer between different modules.
3. Industrial Automation: It is suitable for buffering and driving signals in industrial automation applications, such as motor control circuits and PLCs.
4. Consumer Electronics: The IC can be utilized in consumer electronic devices, including smartphones, tablets, and gaming consoles, for voltage level conversion and signal routing.

Detailed and Complete Alternative Models

• 74HC126: This IC offers similar functionality but operates at a higher voltage range (2V to 6V).
• SN74LVC126A: An alternative IC that provides voltage level translation with lower power consumption and wider operating temperature range.

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