SN74AHCT158NSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multiplexer
• Characteristics: High-speed, low-power, 4-to-1 data selector/multiplexer
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic gate implementation of a multiplexer
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 6 ns (typical)
• Input Capacitance: 3 pF (typical)
• Output Capacitance: 8 pF (typical)

Detailed Pin Configuration

The SN74AHCT158NSR has a total of 16 pins. The pin configuration is as follows:

1. A0: Data input 0
2. A1: Data input 1
3. A2: Data input 2
4. A3: Data input 3
5. G: Enable input
6. Y: Multiplexed output
7. B: Data input 0
8. C: Data input 1
9. D: Data input 2
10. E: Data input 3
11. F: Enable input
12. Y: Multiplexed output
13. VCC: Positive power supply
14. GND: Ground
15. NC: No connection
16. NC: No connection

Functional Features

• High-speed operation allows for efficient data selection and multiplexing.
• Low-power consumption makes it suitable for battery-powered devices.
• 4-to-1 data selection/multiplexing capability simplifies circuit design.
• Enable inputs provide control over the multiplexer operation.

Advantages and Disadvantages

Advantages: - High-speed operation enables fast data selection. - Low-power consumption extends battery life in portable devices. - Compact SOIC package allows for space-efficient integration. - Versatile 4-to-1 multiplexing capability simplifies circuit design.

Disadvantages: - Limited to 4-to-1 multiplexing, may not be suitable for applications requiring higher input/output count. - Not suitable for high-voltage applications due to limited supply voltage range.

Working Principles

The SN74AHCT158NSR is a logic gate implementation of a 4-to-1 multiplexer. It selects one of the four input data lines based on the combination of select inputs (A0, A1, A2, A3) and enable inputs (G, F). The selected data is then output through the Y pin. The multiplexer operates at high speed and low power, making it suitable for various digital applications.

Detailed Application Field Plans

The SN74AHCT158NSR can be used in a wide range of applications, including:

1. Data routing and selection in microcontrollers and microprocessors.
2. Address decoding in memory systems.
3. Input signal selection in communication systems.
4. Data bus multiplexing in digital systems.
5. Control signal routing in industrial automation.

Detailed and Complete Alternative Models

1. CD74HC157E: Quad 2-to-1 multiplexer with similar characteristics and pin configuration.
2. MC74HC153N: Dual 4-to-1 multiplexer with complementary outputs.
3. 74HCT4052D: Dual 4-channel analog multiplexer/demultiplexer with wider voltage range.

These alternative models offer similar functionality and can be considered as substitutes for the SN74AHCT158NSR in various applications.

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