SN74HC253QDREP

Product Overview

Category

SN74HC253QDREP belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for data multiplexing and demultiplexing applications.

Characteristics

• High-speed operation
• Wide operating voltage range
• Low power consumption
• Schmitt-trigger inputs for noise immunity
• Compatible with TTL logic levels
• Available in various package options

Package

SN74HC253QDREP is available in a quad flat package (QFP) with 16 pins.

Essence

The essence of SN74HC253QDREP lies in its ability to efficiently multiplex and demultiplex data signals in electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 15 ns (max)
• Output Current: ±25 mA

Detailed Pin Configuration

1. A1: Multiplexer Input A
2. B1: Multiplexer Input B
3. GND: Ground
4. Y1: Multiplexer Output
5. Y2: Demultiplexer Output
6. B2: Demultiplexer Input B
7. A2: Demultiplexer Input A
8. VCC: Power Supply

Functional Features

SN74HC253QDREP is a dual 4-input multiplexer/demultiplexer IC. It allows the selection of one out of four input signals using the multiplexer function and the distribution of one input signal to any of the four outputs using the demultiplexer function. The selection is controlled by the inputs A1 and B1 for the multiplexer, and A2 and B2 for the demultiplexer.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing.
• Wide operating voltage range allows compatibility with various electronic systems.
• Low power consumption helps in energy-efficient designs.
• Schmitt-trigger inputs provide noise immunity, ensuring reliable signal processing.
• Compatibility with TTL logic levels simplifies integration into existing circuits.

Disadvantages

• Limited number of input/output channels compared to other multiplexer/demultiplexer ICs.
• Propagation delay time may affect real-time applications requiring immediate response.

Working Principles

SN74HC253QDREP operates based on the principles of digital logic. The multiplexer function selects one of the four input signals based on the control inputs A1 and B1. The demultiplexer function distributes one input signal to any of the four outputs based on the control inputs A2 and B2. The internal circuitry of the IC ensures proper signal routing and isolation between the inputs and outputs.

Detailed Application Field Plans

SN74HC253QDREP finds applications in various fields, including: 1. Data communication systems 2. Digital audio/video equipment 3. Industrial automation 4. Automotive electronics 5. Medical devices

In data communication systems, this IC can be used for channel selection and signal routing. In digital audio/video equipment, it can facilitate the distribution of audio or video signals to multiple outputs. In industrial automation, it can enable efficient data multiplexing and demultiplexing in control systems. In automotive electronics, it can be utilized for signal routing in infotainment systems. In medical devices, it can assist in data selection and distribution for monitoring and diagnostic purposes.

Detailed and Complete Alternative Models

1. CD74HC253E: Similar functionality and characteristics, available in a DIP package.
2. SN54HC253J: Equivalent performance, available in a ceramic DIP package.
3. MC74HC253N: Comparable specifications, available in a plastic DIP package.

These alternative models provide similar features and can be used as substitutes for SN74HC253QDREP based on specific requirements and availability.

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