SN74ALS158D

Product Overview

Category

SN74ALS158D belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for data multiplexing applications.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with TTL logic levels

Package

SN74ALS158D is available in a 16-pin dual in-line package (DIP).

Essence

The essence of SN74ALS158D lies in its ability to efficiently multiplex data signals, enabling effective data transmission and manipulation.

Packaging/Quantity

SN74ALS158D is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input Voltage High: 2.0V (min), 0.8V (max)
• Input Voltage Low: 0.8V (min), 0.4V (max)
• Output Voltage High: 2.7V (min), 2.4V (max)
• Output Voltage Low: 0.5V (min), 0.1V (max)

Detailed Pin Configuration

SN74ALS158D consists of 16 pins, each serving a specific function:

1. A0: Address input bit 0
2. A1: Address input bit 1
3. A2: Address input bit 2
4. A3: Address input bit 3
5. E: Enable input
6. Y0: Multiplexed output 0
7. Y1: Multiplexed output 1
8. Y2: Multiplexed output 2
9. Y3: Multiplexed output 3
10. GND: Ground
11. Y4: Multiplexed output 4
12. Y5: Multiplexed output 5
13. Y6: Multiplexed output 6
14. Y7: Multiplexed output 7
15. VCC: Power supply
16. NC: No connection

Functional Features

SN74ALS158D offers the following functional features:

• 1-of-8 data selection using address inputs (A0-A3)
• Enable input (E) for controlling data transmission
• Multiplexed outputs (Y0-Y7) for efficient data routing

Advantages and Disadvantages

Advantages

• High-speed operation allows for rapid data processing
• Low power consumption reduces energy requirements
• Wide operating voltage range enhances versatility
• Compatibility with TTL logic levels simplifies integration into existing systems

Disadvantages

• Limited number of multiplexed outputs restricts the complexity of data routing
• Lack of built-in protection features may require additional circuitry for robust operation

Working Principles

SN74ALS158D operates based on the principle of data multiplexing. The address inputs (A0-A3) determine which of the eight multiplexed outputs (Y0-Y7) will receive the input data. The enable input (E) controls the transmission of data, allowing for selective routing.

Detailed Application Field Plans

SN74ALS158D finds applications in various fields, including:

1. Data communication systems
2. Digital signal processing
3. Industrial automation
4. Robotics
5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to SN74ALS158D that offer similar functionality include:

1. CD4051B: 8-channel analog multiplexer/demultiplexer
2. MC14051B: 8-channel analog multiplexer/demultiplexer
3. 74HC151: 8-input multiplexer

These alternative models can be considered based on specific project requirements and availability.

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