Encyclopedia Entry: 74ACT158PC

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Multiplexer
• Characteristics: High-speed, low-power consumption
• Package: DIP (Dual In-line Package)
• Essence: Logic gate multiplexer
• Packaging/Quantity: Available in tubes or reels, quantity varies based on supplier

Specifications

• Logic Family: ACT
• Number of Inputs: 4
• Number of Outputs: 1
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 3.8 ns (typical)
• Input Capacitance: 3 pF (typical)
• Output Current: ±24 mA (maximum)

Detailed Pin Configuration

The 74ACT158PC has a total of 16 pins, which are assigned specific functions as follows:

1. A0: Input A0
2. A1: Input A1
3. A2: Input A2
4. A3: Input A3
5. B: Input B
6. C: Input C
7. D: Input D
8. GND: Ground
9. Y: Output Y
10. E: Enable Input
11. VCC: Supply Voltage
12. NC: No Connection
13. NC: No Connection
14. NC: No Connection
15. NC: No Connection
16. NC: No Connection

Functional Features

The 74ACT158PC is a quad 2-input multiplexer that selects one of four data inputs and routes it to a single output based on the select inputs. It operates at high speed while consuming low power, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Wide operating temperature range - Compact DIP package for easy integration

Disadvantages: - Limited number of inputs and outputs - Requires external enable input for proper functioning

Working Principles

The 74ACT158PC operates based on the principles of digital logic. It uses a combination of select inputs (A0, A1, A2, A3) to determine which data input (B, C, D) is routed to the output (Y). The enable input (E) controls the overall functionality of the multiplexer.

Detailed Application Field Plans

The 74ACT158PC finds applications in various fields where data selection and routing are required. Some common application areas include:

1. Data communication systems
2. Digital signal processing
3. Microprocessor-based systems
4. Industrial automation
5. Instrumentation and measurement equipment

Detailed and Complete Alternative Models

There are several alternative models available that serve similar functions to the 74ACT158PC. Some notable alternatives include:

1. 74HC158: Similar quad 2-input multiplexer with CMOS technology.
2. CD4051: Analog multiplexer/demultiplexer with 8 channels.
3. SN54/74LS157: Quad 2-line to 1-line data selectors/multiplexers.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific requirements.

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