74HC157BQ-Q100,115

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Data Selector/Multiplexer
• Characteristics: High-speed operation, low power consumption, wide operating voltage range
• Package: 16-pin SOIC (Small Outline Integrated Circuit)
• Essence: A quad 2-input multiplexer with common select inputs and individual enable inputs
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay: 10 ns (typical)
• Maximum Quiescent Current: 4 µA at 5V
• Maximum Output Current: ±25 mA

Detailed Pin Configuration

1. A1: Input A1
2. B1: Input B1
3. Y1: Output Y1
4. GND: Ground
5. A2: Input A2
6. B2: Input B2
7. Y2: Output Y2
8. E: Enable Input
9. Y3: Output Y3
10. B3: Input B3
11. A3: Input A3
12. Y4: Output Y4
13. S1: Select Input 1
14. S0: Select Input 0
15. VCC: Positive Power Supply
16. NC: No Connection

Functional Features

• Quad 2-input multiplexer with common select inputs (S1, S0) and individual enable input (E)
• Can select one of the four data inputs (A1, A2, A3, B3) to be routed to the output (Y1, Y2, Y3, Y4)
• Enable input (E) allows for disabling the outputs and placing them in a high-impedance state
• High-speed operation allows for efficient data selection/multiplexing
• Low power consumption makes it suitable for battery-powered devices
• Wide operating voltage range provides flexibility in various applications

Advantages and Disadvantages

Advantages

• Fast switching speed enables quick data selection
• Low power consumption extends battery life in portable devices
• Wide operating voltage range allows for compatibility with different systems
• Small package size saves board space

Disadvantages

• Limited number of inputs and outputs restricts its application in complex systems
• Lack of built-in protection features may require additional circuitry for robust operation

Working Principles

The 74HC157BQ-Q100,115 is a multiplexer IC that selects one of the four data inputs based on the select inputs (S1, S0). The selected data is then routed to the corresponding output. The enable input (E) controls the output state, allowing the outputs to be disabled and placed in a high-impedance state when necessary.

Detailed Application Field Plans

• Data routing and selection in digital systems
• Address decoding in microcontrollers and memory devices
• Signal multiplexing in communication systems
• Input selection in audio/video equipment
• Logic function implementation in various electronic circuits

Detailed and Complete Alternative Models

• 74HC153: Dual 4-input multiplexer
• 74HC238: 3-to-8 line decoder/demultiplexer
• 74HC4051: 8-channel analog multiplexer/demultiplexer
• CD4052: Dual 4-channel analog multiplexer/demultiplexer
• CD74HC4067: 16-channel analog multiplexer/demultiplexer

(Note: These alternative models serve similar functions but may have different specifications and pin configurations.)

This concludes the encyclopedia entry for the 74HC157BQ-Q100,115.