CD74HCT253E

Product Overview

Category

CD74HCT253E belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic circuits for data multiplexing and demultiplexing applications.

Characteristics

• High-speed operation
• Wide operating voltage range
• Low power consumption
• Schmitt-trigger inputs for noise immunity
• TTL-compatible input levels
• Balanced propagation delays
• Symmetrical output impedance

Package

CD74HCT253E is available in a 16-pin dual in-line package (DIP).

Essence

The essence of CD74HCT253E lies in its ability to efficiently multiplex and demultiplex data signals in digital circuits.

Packaging/Quantity

CD74HCT253E is typically packaged in tubes or reels, with quantities varying depending on the supplier.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 25 ns
• Maximum Quiescent Current: 4 μA

Detailed Pin Configuration

1. A0: Data input A
2. A1: Data input B
3. GND: Ground
4. Y0: Multiplexer output
5. Y1: Demultiplexer output
6. E: Enable input
7. C: Common select input
8. B0: Data input C
9. B1: Data input D
10. VCC: Supply voltage
11. Y2: Demultiplexer output
12. Y3: Demultiplexer output
13. F: Flip-flop input
14. CLR: Clear input
15. CLK: Clock input
16. VCC: Supply voltage

Functional Features

• CD74HCT253E is a dual 4-to-1 multiplexer/demultiplexer with common select inputs.
• It can be used to select one of four data inputs and route it to the output.
• The selection is controlled by the common select inputs (C).
• The enable input (E) allows for the activation or deactivation of the device.
• The flip-flop input (F) enables the storage of the selected data.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing.
• Wide operating voltage range provides flexibility in various applications.
• Low power consumption contributes to energy efficiency.
• Schmitt-trigger inputs enhance noise immunity.
• TTL-compatible input levels ensure compatibility with other digital circuits.
• Balanced propagation delays enable accurate signal transmission.
• Symmetrical output impedance simplifies circuit design.

Disadvantages

• Limited number of data inputs and outputs may restrict certain applications.
• Availability and pricing may vary depending on the supplier.

Working Principles

CD74HCT253E operates based on the principles of multiplexing and demultiplexing. When the enable input (E) is active, the common select inputs (C) determine which data inputs (A0-A1 or B0-B1) are routed to the corresponding outputs (Y0-Y3). The flip-flop input (F) allows for the storage of the selected data, ensuring its stability until the next selection occurs.

Detailed Application Field Plans

CD74HCT253E finds application in various digital electronic systems, including but not limited to: - Data communication systems - Multiplexed data transmission - Address decoding - Data routing and switching - Control systems

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to CD74HCT253E include: - 74HC153 - 74LS151 - CD4051B - SN74HC157

These models offer comparable features and can be used as substitutes depending on specific requirements.

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