CD74HCT253MT

Product Overview

Category: Integrated Circuit
Use: Multiplexer/Demultiplexer
Characteristics: High-speed, TTL-compatible, dual 4-to-1 multiplexer/demultiplexer
Package: TSSOP-16
Essence: Logic IC for data routing and selection
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Supply Voltage Range: 4.5V 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: 15ns (typical)
Output Current: ±6mA
Input Capacitance: 3.5pF (typical)

Detailed Pin Configuration

The CD74HCT253MT has a total of 16 pins arranged as follows:

__ __ A1 -| 1 16 |- VCC B1 -| 2 15 |- Y1 C1 -| 3 14 |- Y2 D1 -| 4 13 |- GND D2 -| 5 12 |- D1 C2 -| 6 11 |- D2 B2 -| 7 10 |- S A2 -| 8 9 |- OE ¯¯ ¯¯

Functional Features

Dual 4-to-1 multiplexer/demultiplexer functionality
High-speed operation suitable for time-critical applications
TTL-compatible inputs for easy integration with existing systems
Low power consumption for energy-efficient designs
Wide operating temperature range for versatile usage scenarios

Advantages and Disadvantages

Advantages

High-speed operation enables efficient data routing
TTL compatibility simplifies integration with existing systems
Low power consumption contributes to energy efficiency
Wide operating temperature range allows for versatile usage

Disadvantages

Limited number of input/output channels compared to larger multiplexers/demultiplexers
Requires external control signals for proper operation

Working Principles

The CD74HCT253MT is a dual 4-to-1 multiplexer/demultiplexer integrated circuit. It operates by selecting one of the four input channels and routing it to the output based on the control signals provided. The device is designed to work with TTL logic levels, making it compatible with a wide range of digital systems. It operates at high speeds, allowing for efficient data selection and routing.

Detailed Application Field Plans

The CD74HCT253MT can be used in various applications that require data routing and selection. Some potential application fields include:

Data communication systems: The IC can be used to route data between different communication channels, such as serial and parallel interfaces.
Digital signal processing: It can be employed in signal processing systems to select specific data streams for further analysis or manipulation.
Multiplexed displays: The IC can be utilized to switch between multiple display inputs, enabling the use of a single display for different sources.
Industrial automation: It can be integrated into control systems to route signals between different sensors, actuators, and controllers.

Detailed and Complete Alternative Models

CD74HC153E: Dual 4-to-1 multiplexer/demultiplexer with similar characteristics and pin configuration.
SN74HCT253N: Dual 4-to-1 multiplexer/demultiplexer from a different manufacturer, offering comparable functionality.

These alternative models can be considered based on specific requirements, availability, and pricing considerations.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací CD74HCT253MT v technických řešeních

Sure! Here are 10 common questions and answers related to the application of CD74HCT253MT in technical solutions:

Q: What is CD74HCT253MT? A: CD74HCT253MT is a dual 4-input multiplexer with 3-state outputs, commonly used in digital logic circuits.
Q: What is the purpose of CD74HCT253MT? A: CD74HCT253MT is used to select one of four data inputs based on the control inputs, allowing for efficient data routing in digital systems.
Q: What is the voltage range supported by CD74HCT253MT? A: CD74HCT253MT supports a voltage range of 2V to 6V, making it compatible with a wide range of digital systems.
Q: Can CD74HCT253MT handle high-speed data signals? A: Yes, CD74HCT253MT has a fast propagation delay and can handle high-speed data signals effectively.
Q: How many output states does CD74HCT253MT have? A: CD74HCT253MT has three output states - HIGH, LOW, and high-impedance (3-state), providing flexibility in data routing.
Q: Can CD74HCT253MT be cascaded to increase the number of inputs? A: Yes, multiple CD74HCT253MT chips can be cascaded together to increase the number of inputs and achieve more complex data routing.
Q: Is CD74HCT253MT suitable for battery-powered applications? A: Yes, CD74HCT253MT is designed to operate at low power consumption, making it suitable for battery-powered applications.
Q: Does CD74HCT253MT have built-in protection features? A: CD74HCT253MT has built-in diode protection on all inputs, which helps prevent damage due to electrostatic discharge (ESD).
Q: Can CD74HCT253MT be used in both commercial and industrial applications? A: Yes, CD74HCT253MT is designed to meet the requirements of both commercial and industrial applications.
Q: Are there any recommended application circuits available for CD74HCT253MT? A: Yes, the datasheet of CD74HCT253MT provides recommended application circuits that can help users understand its usage in various scenarios.

Please note that these answers are general and may vary depending on specific design considerations and requirements.