MC74VHCT125AMEL

Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-Speed, Low-Power, Quad Bus Buffer
• Package: SOIC-14
• Essence: The MC74VHCT125AMEL is a quad bus buffer designed for logic level shifting applications. It provides high-speed and low-power operation, making it suitable for various digital systems.
• Packaging/Quantity: Available in reels of 2500 units.

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: 4.3ns (typical)
• Output Drive Capability: ±8mA

Pin Configuration

The MC74VHCT125AMEL has a standard SOIC-14 package with the following pin configuration:

__ __ A1 | 1 14 | VCC B1 | 2 13 | Y1 A2 | 3 12 | GND B2 | 4 11 | Y2 A3 | 5 10 | G1 B3 | 6 9 | Y3 OE1 | 7 8 | G2 --------

Functional Features

• Quad bus buffer with independent control for each buffer
• Logic level shifting capability for interfacing different voltage domains
• High-speed operation allows for efficient data transfer
• Low-power consumption for energy-efficient designs
• Output drive capability ensures reliable signal transmission

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer in digital systems. - Low-power consumption helps in designing energy-efficient devices. - Independent control for each buffer provides flexibility in interfacing different voltage domains.

Disadvantages: - Limited output drive capability may not be suitable for applications requiring higher current levels. - The SOIC-14 package may not be ideal for space-constrained designs.

Working Principles

The MC74VHCT125AMEL operates as a quad bus buffer, allowing for logic level shifting between different voltage domains. Each buffer can be independently controlled using the OE1 pin. When OE1 is low, the corresponding buffer is enabled, and the input signal is passed to the output. When OE1 is high, the buffer is disabled, and the output is in a high-impedance state.

The device operates within a supply voltage range of 2.0V to 5.5V, making it compatible with various digital systems. It has a fast propagation delay of 4.3ns (typical), ensuring quick signal transmission.

Detailed Application Field Plans

The MC74VHCT125AMEL finds applications in various digital systems that require logic level shifting. Some common application fields include:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling communication between them.
2. Sensor Interfaces: It can be employed to interface sensors with different voltage requirements, allowing seamless integration into a system.
3. Communication Systems: The device facilitates level shifting in communication systems, ensuring compatibility between different voltage domains.
4. Industrial Automation: It can be utilized in industrial automation systems to interface different components operating at different voltage levels.

Detailed and Complete Alternative Models

1. SN74LVC125A: Quad Bus Buffer with 3-state outputs, available in TSSOP-14 package.
2. 74HC125: Quad Bus Buffer with 3-state outputs, available in DIP-14 package.
3. CD74HCT125E: Quad Bus Buffer with Schmitt-trigger inputs, available in PDIP-14 package.

These alternative models offer similar functionality and can be considered based on specific design requirements.

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