SN74AHCT158DRG4

Product Overview

• Category: Integrated Circuit
• Use: Multiplexer/Demultiplexer
• Characteristics: High-speed, low-power, 2-input/1-output multiplexer/demultiplexer
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic gate with multiple input and output options
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V 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)
• Maximum Quiescent Current: 8 µA
• Maximum Output Current: ±8 mA

Pin Configuration

The SN74AHCT158DRG4 has a total of 16 pins, which are assigned as follows:

1. A Input 1
2. B Input 1
3. C Input 1
4. D Input 1
5. GND (Ground)
6. Y Output 1
7. E Enable Input
8. F Input 2
9. G Input 2
10. H Input 2
11. VCC (Supply Voltage)
12. Y Output 2
13. I Input 2
14. J Input 2
15. K Input 2
16. GND (Ground)

Functional Features

• The SN74AHCT158DRG4 is a 2-input/1-output multiplexer/demultiplexer.
• It allows the selection of one of two data inputs to be routed to the output.
• The selection is controlled by the enable input.
• The device operates at high speed and low power consumption.
• It is compatible with TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data routing. - Low-power consumption reduces energy requirements. - Compatibility with TTL and CMOS logic levels ensures versatility in various applications. - Small package size enables space-saving designs.

Disadvantages: - Limited to 2-input/1-output configuration, may not be suitable for more complex multiplexing/demultiplexing needs. - Propagation delay time of 6 ns may introduce slight latency in certain applications.

Working Principles

The SN74AHCT158DRG4 operates based on the principles of digital logic. The enable input controls the selection between the two data inputs. When the enable input is high, the data from Input 1 is routed to the output. Conversely, when the enable input is low, the data from Input 2 is selected and transmitted to the output. The device utilizes internal circuitry to ensure proper signal routing and voltage compatibility.

Detailed Application Field Plans

The SN74AHCT158DRG4 can be used in various applications, including:

1. Data Multiplexing: Selecting between multiple data sources to be transmitted through a single channel.
2. Data Demultiplexing: Distributing a single data source to multiple channels based on control signals.
3. Signal Routing: Controlling the flow of signals in electronic systems.
4. Address Decoding: Selecting specific memory locations or peripheral devices based on address inputs.
5. Control Logic: Implementing logical operations and decision-making processes in digital systems.

Detailed and Complete Alternative Models

1. CD4051B: 8-channel analog multiplexer/demultiplexer.
2. 74HC151: 8-input multiplexer with 3-state outputs.
3. SN74LS138: 3-line to 8-line decoder/demultiplexer.

These alternative models offer different features and configurations, providing options for specific application requirements.

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