SN74LVC157AQPWREP

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Multiplexer
• Characteristics: Low-voltage, Quad 2-input multiplexer
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: High-speed CMOS logic device for data routing and selection
• 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: 3.8ns (typical)
• Maximum Frequency: 100MHz

Detailed Pin Configuration

The SN74LVC157AQPWREP 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. A Input 2
6. B Input 2
7. Y Output 2
8. GND (Ground)
9. Y Output 3
10. B Input 3
11. A Input 3
12. VCC (Power Supply)
13. Y Output 4
14. B Input 4
15. A Input 4
16. G Input (Enable)

Functional Features

• Quad 2-input multiplexer with common select inputs (A and B)
• Four independent data inputs (Y outputs)
• Enable input (G) for controlling the output state
• Low-voltage operation suitable for battery-powered devices
• High-speed operation for efficient data routing

Advantages and Disadvantages

Advantages: - Low-voltage operation allows for compatibility with various systems - High-speed performance enables efficient data selection and routing - Compact TSSOP package saves board space - Enable input provides control over output state

Disadvantages: - Limited number of inputs and outputs (4:1 multiplexer) - Not suitable for high-frequency applications above 100MHz

Working Principles

The SN74LVC157AQPWREP is a quad 2-input multiplexer that routes one of the four data inputs to the output based on the select inputs (A and B). The enable input (G) controls the output state. When G is low, the outputs are in a high-impedance state. When G is high, the selected data input is passed through to the corresponding output.

Detailed Application Field Plans

The SN74LVC157AQPWREP can be used in various applications, including:

1. Data Routing: Selecting between multiple data sources for processing or transmission.
2. Signal Multiplexing: Combining multiple signals into a single output.
3. Address Decoding: Choosing specific memory locations based on address inputs.
4. Data Selection: Switching between different data inputs based on control signals.

Detailed and Complete Alternative Models

1. CD74HC157E: Quad 2-input multiplexer with similar characteristics and pin configuration.
2. MC74VHC157DTR2G: High-speed CMOS logic device with quad 2-input multiplexer functionality.
3. SN74LVCH257ADBR: Quad 2-input multiplexer with 3-state outputs for bus-oriented applications.

(Note: These alternative models may have slight variations in specifications and package options.)

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