MC74VHC50D

Product Overview

• Category: Integrated Circuit
• Use: Logic Gate
• Characteristics: High-Speed, Low-Power, CMOS Technology
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Hex Buffer/Driver with High Voltage CMOS Logic Level Shifter
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: VHC (Very High-Speed CMOS)
• Number of Buffers/Drivers: 6
• Input Voltage Range: 2.0V to 5.5V
• Output Voltage Range: 2.0V to 5.5V
• Propagation Delay Time: 4.3 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MC74VHC50D has a total of 16 pins, numbered as follows:

1. Input A1
2. Output Y1
3. Input A2
4. Output Y2
5. Input A3
6. Output Y3
7. GND (Ground)
8. Output Y4
9. Input A4
10. Output Y5
11. Input A5
12. Output Y6
13. VCC (Power Supply)
14. Input A6
15. Enable (Active Low)
16. NC (No Connection)

Functional Features

• Hex buffer/driver with high voltage CMOS logic level shifting capability
• Provides non-inverting buffering for six independent input signals
• Converts low voltage logic signals to higher voltage levels
• Enables interfacing between different logic families or voltage domains
• High-speed operation suitable for applications requiring fast signal propagation
• Low power consumption ideal for battery-powered devices
• Wide operating voltage range allows compatibility with various systems

Advantages and Disadvantages

Advantages

• High-speed operation ensures efficient signal transmission
• Low power consumption extends battery life in portable devices
• Wide operating voltage range provides versatility in different applications
• Small package size saves board space and simplifies integration
• CMOS technology offers improved noise immunity and reduced power dissipation

Disadvantages

• Limited number of buffers/drivers (6) may not be sufficient for complex systems
• Propagation delay time may affect timing-sensitive applications
• Requires careful consideration of input and output voltage levels to prevent damage

Working Principles

The MC74VHC50D is designed using Very High-Speed CMOS technology, which combines the advantages of both CMOS and TTL logic families. It operates as a hex buffer/driver, providing non-inverting buffering for six independent input signals. The device can convert low voltage logic signals to higher voltage levels, enabling seamless interfacing between different logic families or voltage domains.

The chip's internal circuitry consists of multiple CMOS transistors that control the flow of current through the device. When an input signal is applied to one of the input pins, the corresponding output pin replicates the input signal with the same logic level but at a higher voltage. This feature makes it suitable for applications requiring fast signal propagation and compatibility between different voltage levels.

Detailed Application Field Plans

The MC74VHC50D finds applications in various fields where logic level shifting and buffering are required. Some of the common application areas include:

1. Microcontrollers and Digital Systems: The device facilitates communication between microcontrollers operating at different voltage levels.
2. Interface Circuits: It enables interfacing between different logic families, such as CMOS and TTL, ensuring compatibility and signal integrity.
3. Sensor Networks: The MC74VHC50D can be used to interface sensors with microcontrollers, allowing seamless integration of different sensor technologies.
4. Industrial Automation: It finds applications in industrial control systems, where it helps interface between different components operating at varying voltage levels.
5. Consumer Electronics: The device is suitable for various consumer electronic devices, including smartphones, tablets, and gaming consoles, where it ensures proper signal translation and compatibility.

Detailed and Complete Alternative Models

1. SN74VHC50D: Similar hex buffer/driver with high voltage CMOS logic level shifting capability, offered by Texas Instruments.
2. CD74VHC50E: Hex buffer/driver with high-speed CMOS technology, provided by ON Semiconductor.
3. 74HCT50: Hex non-inverting buffer/driver with TTL logic level shifting capability, available from multiple manufacturers.

These alternative models offer similar functionality and can be considered as substitutes for the MC74VHC50D based on specific requirements and availability.

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