SN74AS258N

Product Overview

Category

SN74AS258N belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital logic applications.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with various logic families

Package

SN74AS258N is available in a 16-pin DIP (Dual Inline Package) format.

Essence

The essence of SN74AS258N lies in its ability to perform multiplexing functions in digital systems.

Packaging/Quantity

SN74AS258N is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Logic Family: AS
• Number of Inputs: 8
• Number of Outputs: 1
• Operating Temperature Range: -40°C to 85°C
• Propagation Delay Time: 9ns (max)
• Output Current: ±24mA

Detailed Pin Configuration

┌───┬───┐ 1 │A0 │Y │ 16 2 │A1 │B │ 15 3 │A2 │C │ 14 4 │A3 │D │ 13 5 │A4 │E │ 12 6 │A5 │F │ 11 7 │A6 │G │ 10 8 │A7 │H │ 9 └───┴───┘

Functional Features

SN74AS258N is a quad 2-input multiplexer that allows selection between four data inputs (A0-A7) using two select inputs (B and C). The selected input is then routed to the output (Y).

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing.
• Low power consumption helps in reducing energy requirements.
• Wide operating voltage range allows compatibility with various systems.
• Compatibility with different logic families enhances versatility.

Disadvantages

• Limited number of inputs and outputs restricts its application in complex systems.
• Propagation delay time may affect real-time applications.

Working Principles

SN74AS258N operates based on the principles of digital multiplexing. The select inputs determine which data input is connected to the output. The selected input is then transmitted to the output pin, allowing for efficient data routing.

Detailed Application Field Plans

SN74AS258N finds applications in various digital systems, including: 1. Data multiplexing in microcontrollers and microprocessors. 2. Address decoding in memory systems. 3. Signal routing in communication devices. 4. Input selection in analog-to-digital converters. 5. Control signal routing in industrial automation systems.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SN74AS258N are: - CD4051B: 8-channel analog multiplexer/demultiplexer IC. - 74HC151: 8-input multiplexer IC. - SN74LS157: Quad 2-line to 1-line data selector/multiplexer IC.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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