MC74VHCT157ADT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multiplexer
• Characteristics:
  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
• Package: SOIC-16
• Essence: This IC is a quad 2-input multiplexer with 3-state outputs.
• Packaging/Quantity: Available 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
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 6 ns (typical)

Pin Configuration

The MC74VHCT157ADT has a total of 16 pins, which are assigned as follows:

1. A Input 1
2. B Input 1
3. Y Output 1
4. G Input 1
5. A Input 2
6. B Input 2
7. Y Output 2
8. G Input 2
9. Y Output 3
10. G Input 3
11. A Input 3
12. B Input 3
13. Y Output 4
14. G Input 4
15. Select Input
16. Ground

Functional Features

• Quad 2-input multiplexer with 3-state outputs
• Allows selection between four data inputs using the select input
• Outputs can be put into high-impedance state when not enabled
• High-speed operation allows for efficient data switching

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data switching - Low power consumption helps in reducing energy usage - Wide operating voltage range allows for compatibility with various systems

Disadvantages: - Limited number of inputs and outputs - Propagation delay time may affect timing-sensitive applications

Working Principles

The MC74VHCT157ADT is a multiplexer IC that selects one of four data inputs based on the select input. The selected data is then routed to the corresponding output. The outputs can be put into a high-impedance state when not enabled, allowing for efficient data transmission.

Detailed Application Field Plans

The MC74VHCT157ADT can be used in various applications, including:

1. Data routing and selection in digital systems
2. Address decoding in memory systems
3. Input/output expansion in microcontrollers
4. Signal multiplexing in communication systems

Detailed and Complete Alternative Models

1. SN74HC157N by Texas Instruments

   • Similar functionality and pin configuration
   • Available in DIP-16 package
   • Operating temperature range: -40°C to +85°C

2. CD74HC157E by ON Semiconductor

   • Quad 2-input multiplexer with 3-state outputs
   • Available in PDIP-16 package
   • Supply voltage range: 2.0V to 6.0V

3. 74HCT157 by NXP Semiconductors

   • High-speed CMOS logic quad 2-input multiplexer
   • Available in SOIC-16 package
   • Operating temperature range: -40°C to +125°C

These alternative models provide similar functionality to the MC74VHCT157ADT and can be considered as replacements depending on specific requirements.

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