SN74LVC157AQDREP

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Multiplexer
• Characteristics: Low-voltage, Quad 2-input multiplexer
• Package: 16-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: High-speed CMOS logic device for data selection and routing
• 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 SN74LVC157AQDREP has a total of 16 pins, numbered as follows:

1. A1 (Input A1)
2. B1 (Input B1)
3. Y1 (Output Y1)
4. GND (Ground)
5. A0 (Input A0)
6. B0 (Input B0)
7. Y0 (Output Y0)
8. E (Enable Input)
9. Y3 (Output Y3)
10. B3 (Input B3)
11. A3 (Input A3)
12. Y2 (Output Y2)
13. VCC (Supply Voltage)
14. B2 (Input B2)
15. A2 (Input A2)
16. GND (Ground)

Functional Features

The SN74LVC157AQDREP is a quad 2-input multiplexer that allows the selection of one out of four data inputs to be routed to the output. It operates at low voltage levels and offers high-speed performance. The device is designed using CMOS technology, which provides low power consumption and high noise immunity.

Advantages and Disadvantages

Advantages: - Low-voltage operation allows compatibility with a wide range of systems - High-speed performance enables efficient data selection and routing - CMOS technology ensures low power consumption and high noise immunity

Disadvantages: - Limited to 2-input multiplexing, not suitable for applications requiring more inputs - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74LVC157AQDREP works by enabling one of the four input channels based on the control signal provided at the Enable (E) pin. When E is set to logic high, the selected input is routed to the corresponding output. The device operates within the specified voltage range and converts the input signals into the desired output logic levels.

Detailed Application Field Plans

The SN74LVC157AQDREP can be used in various applications that require data multiplexing, such as:

1. Data communication systems
2. Digital audio/video equipment
3. Computer peripherals
4. Industrial automation
5. Automotive electronics

In these applications, the device enables efficient data selection and routing, allowing multiple sources to be connected to a single destination.

Detailed and Complete Alternative Models

1. CD74HC157E: Quad 2-input multiplexer, operates at higher voltage levels (2V to 6V)
2. MC74LVX157: Quad 2-input multiplexer, offers lower propagation delay (2.5ns typical)
3. SN74LVC157A: Quad 2-input multiplexer, available in different package options (SOIC, TSSOP, etc.)

These alternative models provide similar functionality to the SN74LVC157AQDREP but may have variations in voltage range, speed, or package type.

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