MC74VHC157DR2G

Product Overview

• Category: Integrated Circuit
• Use: Multiplexer
• Characteristics: High-speed, low-power, 4-channel multiplexer
• Package: SOIC-16
• Essence: Digital logic IC for data selection and routing
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay Time: 6 ns (typical)
• Maximum Quiescent Current: 1 µA

Detailed Pin Configuration

The MC74VHC157DR2G has a total of 16 pins arranged as follows:

__ __ A1 -| 1 16 |- VCC B1 -| 2 15 |- Y1 A2 -| 3 14 |- B2 B2 -| 4 13 |- A3 Y2 -| 5 12 |- B3 A3 -| 6 11 |- Y3 B3 -| 7 10 |- A4 GND -| 8 9 |- B4 ¯¯ ¯¯

Functional Features

• 4-channel multiplexer with common select inputs (A1, A2, A3, A4)
• Individual enable inputs (B1, B2, B3, B4) for each channel
• Outputs (Y1, Y2, Y3) are selected based on the combination of select and enable inputs
• High-speed operation allows for efficient data routing and selection
• Low-power consumption makes it suitable for battery-powered devices

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data selection - Low-power consumption extends battery life in portable devices - Compact SOIC-16 package allows for space-efficient designs

Disadvantages: - Limited to 4 channels, may not be suitable for applications requiring more inputs - Propagation delay time of 6 ns may introduce latency in certain applications

Working Principles

The MC74VHC157DR2G is a multiplexer IC that routes digital data from one of its four input channels (A1-A4) to the output channels (Y1-Y3) based on the select inputs (A1-A4) and enable inputs (B1-B4). The selected output channel carries the input data to the desired destination. The IC operates at high speed and low power, making it suitable for various digital logic applications.

Detailed Application Field Plans

The MC74VHC157DR2G can be used in a wide range of applications, including but not limited to:

1. Data Multiplexing: Selecting and routing data from multiple sources to a single output.
2. Address Decoding: Choosing specific memory locations based on address inputs.
3. Signal Routing: Directing signals to different components or subsystems in a system.
4. Data Selection: Choosing between multiple data sources based on control inputs.

Detailed and Complete Alternative Models

1. SN74LVC157ADR: 4-channel multiplexer with similar characteristics and pin configuration.
2. CD74HCT157E: High-speed CMOS logic IC with 4-channel multiplexer functionality.
3. 74HC157N: Quad 2-input multiplexer with similar specifications and pin arrangement.

These alternative models offer similar features and can be used as substitutes for the MC74VHC157DR2G in various applications.

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