SN74AHCT158DBRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multiplexer
• Characteristics: High-speed, low-power, 2-input multiplexer
• Package: SSOP-16
• Essence: Logic gate that selects one of two input signals and routes it to a single output
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 6 ns (typical)
• Maximum Quiescent Current: 1 µA

Detailed Pin Configuration

The SN74AHCT158DBRE4 has a total of 16 pins arranged as follows:

___________ A1 --| |-- VCC B1 --| |-- A0 B2 --| |-- B0 A2 --| |-- GND Y --| |-- B3 GND --| |-- A3 /E --| |-- B3 /Y --| |-- A3 B3 --| |-- B2 A3 --| |-- A2 B0 --| |-- B1 A0 --| |-- A1 GND --| |-- /OE GND --| |-- /Y VCC --|___________|-- Y

Functional Features

• High-speed operation allows for efficient signal routing.
• Low power consumption makes it suitable for battery-powered devices.
• 2-input multiplexer enables selection between two input signals.
• Output signal is routed to a single output pin.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick signal switching. - Low power consumption extends battery life in portable devices. - Small package size saves board space. - Wide supply voltage range provides flexibility in various applications.

Disadvantages: - Limited to 2-input multiplexing, not suitable for more complex routing needs. - Propagation delay may introduce slight timing issues in certain applications.

Working Principles

The SN74AHCT158DBRE4 operates as a 2-input multiplexer. It selects one of the two input signals (A or B) based on the control inputs (/E) and routes it to the output pin (Y). When the enable input (/E) is low, the multiplexer is active, and the selected input is passed through to the output. When the enable input (/E) is high, the multiplexer is disabled, and the output is in a high-impedance state.

Detailed Application Field Plans

The SN74AHCT158DBRE4 can be used in various applications, including:

1. Data communication systems: Multiplexing different data streams onto a single transmission line.
2. Audio/video equipment: Switching between multiple audio or video sources.
3. Industrial automation: Selecting between different sensor inputs for monitoring and control purposes.
4. Automotive electronics: Routing signals from various sensors to the central processing unit.
5. Consumer electronics: Enabling user selection between different input sources (e.g., remote control).

Detailed and Complete Alternative Models

1. SN74AHCT157DBRE4: Similar to SN74AHCT158DBRE4 but with 4-input multiplexing capability.
2. SN74AHCT138DBRE4: 3-to-8 decoder/demultiplexer with similar characteristics.
3. SN74AHCT125DBRE4: Quad buffer/line driver with similar package and characteristics.

These alternative models offer different functionalities and can be considered based on specific application requirements.

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