MC74VHC126DTR2G

Overview

Category: Integrated Circuit (IC)

Use: Logic Gate Buffer/Driver

Characteristics: - High-speed CMOS technology - Quad 3-state non-inverting buffer - Wide operating voltage range: 2.0V to 5.5V - High noise immunity - Low power consumption - Schmitt-trigger input for noise suppression - 14-pin TSSOP package

Essence: The MC74VHC126DTR2G is a quad 3-state non-inverting buffer IC that operates on high-speed CMOS technology. It is commonly used as a buffer/driver in digital logic circuits.

Packaging/Quantity: The MC74VHC126DTR2G is available in a 14-pin Thin Shrink Small Outline Package (TSSOP). It is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Input Current: ±10mA
• Maximum Output Current: ±8mA
• Propagation Delay Time: 4.3ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MC74VHC126DTR2G has a 14-pin TSSOP package with the following pin configuration:

__ __ A1 | 1 14 | VCC B1 | 2 13 | Y1 A2 | 3 12 | Y2 B2 | 4 11 | Y3 A3 | 5 10 | Y4 B3 | 6 9 | GND OE1 | 7 8 | OE2 ‾‾ ‾‾

Functional Features

• Quad non-inverting buffer: The MC74VHC126DTR2G consists of four independent non-inverting buffer circuits.
• 3-state outputs: The outputs (Y1, Y2, Y3, Y4) can be put into a high-impedance state by enabling the output enable inputs (OE1, OE2).
• Schmitt-trigger input: The inputs (A1, A2, A3, B1, B2, B3) have Schmitt-trigger characteristics, providing noise immunity and allowing for reliable operation in noisy environments.

Advantages and Disadvantages

Advantages: - High-speed operation: The MC74VHC126DTR2G offers fast propagation delay times, making it suitable for high-frequency applications. - Wide operating voltage range: It can operate within a wide voltage range, providing flexibility in various circuit designs. - Low power consumption: The IC consumes low power, contributing to energy-efficient designs. - Noise immunity: The Schmitt-trigger inputs help suppress noise and ensure reliable signal processing.

Disadvantages: - Limited output current: The maximum output current of ±8mA may not be sufficient for driving certain loads. - Temperature limitations: The operating temperature range of -40°C to +85°C may restrict its use in extreme temperature conditions.

Working Principles

The MC74VHC126DTR2G operates as a buffer/driver in digital logic circuits. It takes input signals from the A1, A2, A3, B1, B2, and B3 pins and provides amplified and inverted/non-inverted outputs on the Y1, Y2, Y3, and Y4 pins. The output enable inputs (OE1, OE2) control the state of the outputs. When the output enable is high, the outputs are active; when it is low, the outputs are in a high-impedance state.

Detailed Application Field Plans

The MC74VHC126DTR2G can be used in various applications, including: 1. Microprocessor systems 2. Data communication systems 3. Industrial automation 4. Automotive electronics 5. Consumer electronics 6. Medical equipment 7. Robotics

In microprocessor systems, it can be used for address and data bus buffering. In data communication systems, it can be utilized for signal amplification and level shifting. In industrial automation, it can serve as a buffer/driver for control signals. In automotive electronics, it can be employed in engine control units and infotainment systems. In consumer electronics, it can be used for signal conditioning and interfacing. In medical equipment, it can be utilized for sensor signal processing. In robotics, it can be employed for motor control and sensor interfacing.

Detailed and Complete Alternative Models

Some alternative models to