SN74LVC157APWE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Selector/Multiplexer
• Characteristics:
  • Low-voltage CMOS technology
  • 2-input multiplexer with 3-state outputs
  • Wide operating voltage range: 1.65V to 5.5V
  • High-speed operation: 5.4 ns propagation delay at 3.3V
• Package: TSSOP-16
• Essence: The SN74LVC157APWE4 is a versatile data selector/multiplexer IC that allows the selection of one of four data inputs and routes it to a single output line.
• Packaging/Quantity: Available in reels of 2500 units.

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
• Maximum Propagation Delay: 5.4 ns at 3.3V
• Maximum Quiescent Current: 10 μA
• Maximum Output Current: ±24 mA

Detailed Pin Configuration

The SN74LVC157APWE4 has a total of 16 pins, which are assigned as follows:

1. A Input 1
2. B Input 2
3. C Input 3
4. D Input 4
5. GND Ground
6. Y Output
7. E Enable Input
8. F Select Input
9. NC Not Connected
10. NC Not Connected
11. NC Not Connected
12. NC Not Connected
13. VCC Power Supply
14. NC Not Connected
15. NC Not Connected
16. NC Not Connected

Functional Features

• 2-input multiplexer with 3-state outputs
• Allows selection of one of four data inputs (A, B, C, D) using the select input (F)
• Output (Y) is determined by the selected input and can be enabled or disabled using the enable input (E)
• High-speed operation allows for efficient data routing in various applications
• Low-voltage CMOS technology ensures compatibility with a wide range of devices

Advantages and Disadvantages

Advantages: - Versatile data selector/multiplexer IC suitable for various applications - Wide operating voltage range allows for compatibility with different power supply levels - High-speed operation enables efficient data routing - Low quiescent current minimizes power consumption

Disadvantages: - Limited to 2-input multiplexing, may not be suitable for more complex applications requiring higher input counts - TSSOP-16 package may require careful handling during assembly

Working Principles

The SN74LVC157APWE4 operates as a 2-input multiplexer with 3-state outputs. The select input (F) determines which of the four data inputs (A, B, C, D) is routed to the output (Y). The enable input (E) controls whether the output is enabled or disabled. When the enable input is high, the selected input is passed to the output. When the enable input is low, the output is in a high-impedance state.

Detailed Application Field Plans

The SN74LVC157APWE4 finds application in various fields, including:

1. Data routing and selection in digital systems
2. Multiplexing multiple data sources into a single output
3. Address decoding in microcontrollers and memory systems
4. Signal switching in communication systems
5. Logic level translation between different voltage domains

Detailed and Complete Alternative Models

1. CD74HC157E: 2-input multiplexer with 3-state outputs, operates at a higher voltage range (2V to 6V)
2. SN74LVC158APWE4: 4-input multiplexer with 3-state outputs, offers additional input selection options
3. CD4052BE: Dual 4-channel analog multiplexer/demultiplexer, suitable for analog signal routing

These alternative models provide similar functionality and can be considered based on specific requirements and compatibility with the system.

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