CD74HCT157M96E4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multiplexer
• Characteristics: High-speed, CMOS logic, 2-input multiplexer
• Package: SOIC-16
• Essence: The CD74HCT157M96E4 is a high-speed CMOS logic IC that functions as a 2-input multiplexer. It is commonly used in digital electronic circuits to select one of two input signals and route it to the output based on a control signal.
• Packaging/Quantity: The CD74HCT157M96E4 is available in a standard SOIC-16 package and is typically sold in reels or tubes containing multiple units.

Specifications

• Logic Family: HCT
• Number of Inputs: 2
• Number of Outputs: 1
• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 10 ns (typical)
• Output Current: ±4 mA
• Input Capacitance: 3.5 pF (typical)

Detailed Pin Configuration

The CD74HCT157M96E4 has a total of 16 pins arranged in a dual in-line package (DIP). The pin configuration is as follows:

+---+--+---+ A1 --|1 +--+ 16|-- VCC B1 --|2 15|-- Y A2 --|3 14|-- B B2 --|4 13|-- A G1 --|5 12|-- GND G2 --|6 11|-- C Y1 --|7 10|-- D Y2 --|8 9|-- C1 +----------+

Functional Features

• The CD74HCT157M96E4 is a versatile multiplexer that can select one of two input signals based on the control inputs.
• It operates at high speed, making it suitable for applications requiring fast switching between input signals.
• The HCT logic family ensures compatibility with both TTL and CMOS logic levels.
• The IC has low power consumption and is capable of driving standard TTL loads.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick signal switching. - Versatile functionality enables various applications. - Compatibility with both TTL and CMOS logic levels provides flexibility in circuit design. - Low power consumption helps conserve energy.

Disadvantages: - Limited number of inputs and outputs restricts its use in complex systems. - Propagation delay may introduce timing issues in certain applications. - Sensitivity to voltage fluctuations may affect performance in noisy environments.

Working Principles

The CD74HCT157M96E4 operates as a 2-input multiplexer by selecting one of the two input signals (A or B) based on the control inputs (C and G). When the control inputs are set appropriately, the selected input signal is routed to the output pin (Y). The IC uses CMOS technology, which allows for high-speed operation and compatibility with both TTL and CMOS logic levels.

Detailed Application Field Plans

The CD74HCT157M96E4 finds application in various digital electronic circuits where signal selection is required. Some common application fields include:

1. Data Multiplexing: The IC can be used to select between multiple data sources and route the desired data to a single output line.
2. Address Decoding: It can be employed in address decoding circuits to select specific memory locations based on control signals.
3. Signal Routing: The multiplexer can be used to switch between different signal sources in audio or video routing systems.
4. Control Systems: It finds application in control systems where the selection of control signals is necessary for proper operation.

Detailed and Complete Alternative Models

1. CD74HCT157E: This is a similar 2-input multiplexer from Texas Instruments, offering comparable specifications and functionality.
2. SN74HCT157N: Another alternative from Texas Instruments, this IC provides the same functionality with slightly different pin configuration.
3. MC74HCT157AN: A multiplexer IC from ON Semiconductor, offering similar characteristics and performance.

These alternative models can be considered as substitutes for the CD74HCT157M96E4, depending on availability and specific requirements.

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