SN74AHC157RGYR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Multiplexer
• Characteristics: High-speed, Low-power, Quad 2-input Multiplexer
• Package: 16-pin VQFN package
• Essence: A multiplexer is a digital circuit that selects one of several input signals and forwards it to a single output line.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: AHC
• Number of Inputs: 8
• Number of Outputs: 1
• Supply Voltage Range: 2V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4.5 ns (typical)
• Output Drive Capability: ±24 mA
• Input Capacitance: 3 pF (typical)

Pin Configuration

The SN74AHC157RGYR has a 16-pin VQFN package with the following pin configuration:

__ __ Y1 |1 \/ 16| VCC A1 |2 15| B1 A2 |3 14| B2 Y2 |4 13| GND A3 |5 12| B3 A4 |6 11| B4 Y3 |7 10| G1 A0 |8 9| G2 -- --

Functional Features

• Quad 2-input multiplexer with common select inputs (G1, G2)
• Each multiplexer has two data inputs (A, B) and one output (Y)
• The select inputs (G1, G2) determine which data input is connected to the output
• High-speed operation with low power consumption
• Wide supply voltage range allows compatibility with various systems

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing - Low-power consumption reduces energy requirements - Wide supply voltage range provides flexibility in system integration

Disadvantages: - Limited number of inputs and outputs restricts the complexity of multiplexing operations - Propagation delay may affect real-time applications requiring immediate response

Working Principles

The SN74AHC157RGYR operates as a quad 2-input multiplexer. It selects one of the two data inputs (A, B) based on the values of the select inputs (G1, G2). The selected data input is then forwarded to the output (Y). The device operates at high speed while consuming low power, making it suitable for various digital applications.

Detailed Application Field Plans

The SN74AHC157RGYR can be used in a wide range of applications, including:

1. Data routing and selection in microcontrollers and microprocessors
2. Address decoding in memory systems
3. Input signal selection in communication systems
4. Multiplexing control in digital audio and video equipment
5. Logic circuit design and prototyping

Detailed and Complete Alternative Models

1. CD74HC157E: Quad 2-input Multiplexer, DIP-16 package
2. MC74HC157AN: Quad 2-input Multiplexer, PDIP-16 package
3. 74AHC157PW: Quad 2-input Multiplexer, TSSOP-16 package
4. SN74LVC157APWR: Quad 2-input Multiplexer, TSSOP-16 package

These alternative models offer similar functionality and can be used as substitutes for the SN74AHC157RGYR in various applications.

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