SN74LVC157APW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Selector/Multiplexer
• Characteristics: Low-Voltage CMOS Quad 2-Line to 1-Line Data Selector/Multiplexer
• Package: TSSOP-16
• Essence: High-speed, low-power consumption, and compatibility with various logic families
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V 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: 3.8 ns (typical)
• Maximum Quiescent Current: 10 µA
• Maximum Output Current: ±32 mA

Detailed Pin Configuration

The SN74LVC157APW has a total of 16 pins, which are assigned as follows:

1. A Input 1
2. B Input 1
3. Y Output 1
4. G Input (Enable)
5. Y Output 2
6. B Input 2
7. A Input 2
8. VCC (Positive Power Supply)
9. Y Output 3
10. GND (Ground)
11. Y Output 4
12. C Input 1
13. D Input 1
14. Y Output 5
15. C Input 2
16. D Input 2

Functional Features

• Quad 2-line to 1-line data selector/multiplexer
• Wide supply voltage range allows compatibility with different systems
• Low power consumption makes it suitable for battery-powered devices
• High-speed operation enables efficient data selection and multiplexing
• Schmitt-trigger inputs provide noise immunity and hysteresis
• 3-state outputs allow easy connection to a bus system

Advantages and Disadvantages

Advantages

• Versatile and flexible data selection/multiplexing capabilities
• Wide supply voltage range for compatibility with various systems
• Low power consumption extends battery life in portable devices
• High-speed operation enhances overall system performance
• Noise immunity and hysteresis provided by Schmitt-trigger inputs
• 3-state outputs facilitate bus system integration

Disadvantages

• Limited number of input/output lines (4:1 multiplexer)
• Not suitable for applications requiring higher input/output line count
• May require additional external components for specific applications

Working Principles

The SN74LVC157APW is a quad 2-line to 1-line data selector/multiplexer. It allows the selection of one out of four input data lines based on the control inputs. The G input (Enable) controls the output state, while the A and B inputs select the desired data line. The selected data is then available at the corresponding Y output.

Detailed Application Field Plans

The SN74LVC157APW finds applications in various fields, including:

1. Data routing and switching in digital communication systems
2. Address decoding in memory systems
3. Input signal selection in audio/video equipment
4. Multiplexing control signals in industrial automation
5. Logic level conversion in mixed-signal systems

Detailed and Complete Alternative Models

1. CD74HC157E - High-Speed CMOS Quad 2-Line to 1-Line Data Selector/Multiplexer
2. MC74VHC157DTR2G - Quad 2-Line to 1-Line Data Selector/Multiplexer with 3-State Outputs
3. SN74LV4052ADGVR - Dual 4-Channel Analog Multiplexer/Demultiplexer

These alternative models offer similar functionality and can be considered as substitutes for the SN74LVC157APW in different applications.

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