MC74LVX126M

Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate Buffer/Driver
• Characteristics: High-speed, low-voltage, quad buffer with 3-state outputs
• Package: SOIC-14
• Essence: The MC74LVX126M is a versatile logic gate buffer/driver that provides high-speed signal buffering and driving capabilities. It is designed to operate at low voltage levels and offers 3-state outputs for added flexibility.
• Packaging/Quantity: The MC74LVX126M is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 2.0V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4.5ns (typical)
• Output Current: ±24mA
• Input Capacitance: 3pF (typical)
• Output Capacitance: 6pF (typical)

Pin Configuration

The MC74LVX126M has a total of 14 pins, which are assigned as follows:

1. 1A (Input A)
2. 1Y (Output A)
3. GND (Ground)
4. 2Y (Output B)
5. 2A (Input B)
6. 3A (Input C)
7. 3Y (Output C)
8. VCC (Power Supply)
9. 4Y (Output D)
10. 4A (Input D)
11. OE (Output Enable)
12. NC (No Connection)
13. NC (No Connection)
14. GND (Ground)

Functional Features

• Quad buffer with 3-state outputs
• High-speed operation suitable for various applications
• Low-voltage operation allows compatibility with modern integrated circuits
• Output enable pin (OE) for controlling the output state
• Schmitt trigger inputs for improved noise immunity
• Balanced propagation delays for all four channels

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient signal buffering and driving
• Low-voltage capability ensures compatibility with modern ICs
• 3-state outputs provide flexibility in controlling signal flow
• Schmitt trigger inputs enhance noise immunity
• Balanced propagation delays ensure synchronized signal transmission

Disadvantages

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

Working Principles

The MC74LVX126M operates as a buffer/driver by receiving input signals from the A, B, C, and D pins. These signals are then amplified and transmitted to the corresponding Y pins. The output enable (OE) pin controls the state of the outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

The MC74LVX126M is commonly used in various digital systems and electronic devices where signal buffering and driving capabilities are required. Some application fields include:

1. Microcontrollers and microprocessors
2. Communication systems
3. Data acquisition systems
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

1. SN74LVX126: Similar quad buffer/driver IC with 3-state outputs, offered by Texas Instruments.
2. CD74LVX126: Another alternative quad buffer/driver IC with 3-state outputs, available from Texas Instruments.
3. 74HC126: Quad buffer/driver IC with 3-state outputs, offered by various manufacturers.

These alternative models provide similar functionality and can be used as substitutes for the MC74LVX126M in various applications.

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