CD74HC251EG4

Product Overview

Category

CD74HC251EG4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for data selection and multiplexing purposes.

Characteristics

• High-speed operation
• Wide operating voltage range
• Low power consumption
• Compatibility with TTL inputs
• Schmitt-trigger action on all inputs
• Balanced propagation delays

Package

CD74HC251EG4 is available in a 16-pin TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of CD74HC251EG4 lies in its ability to efficiently select and route data signals in digital systems.

Packaging/Quantity

This IC is typically packaged in reels, with each reel containing a specific quantity of units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

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

Detailed Pin Configuration

The CD74HC251EG4 IC has a total of 16 pins, which are labeled as follows:

1. A0
2. A1
3. A2
4. GND
5. B0
6. B1
7. B2
8. Y
9. GND
10. S0
11. S1
12. OE
13. VCC
14. B3
15. A3
16. A4

Functional Features

• Data selection: CD74HC251EG4 allows for the selection of one out of eight data inputs based on the control inputs.
• Multiplexing: It can multiplex multiple data inputs onto a single output line.
• Schmitt-trigger action: The IC incorporates Schmitt-trigger action on all its inputs, ensuring noise immunity and reliable operation.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data selection and multiplexing.
• Wide operating voltage range allows for compatibility with various digital systems.
• Low power consumption helps in reducing overall energy consumption.
• TTL compatibility ensures seamless integration with existing digital circuits.
• Balanced propagation delays ensure accurate timing of signals.

Disadvantages

• Limited number of data inputs (eight) may restrict certain applications requiring more inputs.
• Availability and pricing may vary depending on the supplier and market conditions.

Working Principles

CD74HC251EG4 operates based on the principles of digital logic. The control inputs (S0, S1, and OE) determine which data input is selected and routed to the output pin (Y). The selected data input is then available at the output for further processing or transmission.

Detailed Application Field Plans

CD74HC251EG4 finds applications in various fields, including but not limited to: - Data communication systems - Industrial automation - Consumer electronics - Automotive electronics - Medical devices

In data communication systems, this IC can be used for data routing and multiplexing between different channels. In industrial automation, it can facilitate the selection of different sensor inputs for monitoring and control purposes. In consumer electronics, CD74HC251EG4 can be utilized for signal routing in audio/video equipment. In automotive electronics, it can enable data selection in vehicle control systems. In medical devices, this IC can assist in multiplexing various sensor inputs for patient monitoring.

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to CD74HC251EG4 include: - 74HC151 - CD4051 - SN74LS157 - MC14051

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

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