MC74ACT157DTR2

Product Overview

Category: Integrated Circuit (IC)

Use: The MC74ACT157DTR2 is a quad 2-input multiplexer designed for digital applications. It allows the selection of one of four data inputs to be routed to a single output, based on the control inputs.

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - Schmitt trigger inputs for noise immunity - Compatible with TTL and CMOS logic levels

Package: The MC74ACT157DTR2 is available in a small outline package (TSSOP-16), which provides a compact and space-saving solution for circuit board designs.

Essence: This IC serves as a versatile multiplexer, enabling efficient data routing in various digital systems.

Packaging/Quantity: The MC74ACT157DTR2 is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 4.5V 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 Time: 6 ns (max)
• Output Current: ±24 mA

Pin Configuration

The MC74ACT157DTR2 features a TSSOP-16 package with the following pin configuration:

+---+--+---+ A1 |1 16| VCC B1 |2 15| Y C1 |3 14| B D1 |4 13| A C2 |5 MC 12| GND B2 |6 74 11| C A2 |7 ACT 10| D GND |8 9| C3 +----------+

Functional Features

• Quad 2-input multiplexer with common select inputs (A, B)
• Output (Y) determined by the control inputs (C, D)
• Schmitt trigger inputs for improved noise immunity
• High-speed operation allows for efficient data routing in digital systems
• Wide operating voltage range ensures compatibility with various logic levels

Advantages and Disadvantages

Advantages: - High-speed operation enables fast data processing - Low power consumption for energy-efficient designs - Wide operating voltage range provides flexibility in system integration - Schmitt trigger inputs enhance noise immunity, ensuring reliable performance

Disadvantages: - Limited to quad 2-input multiplexing functionality - May require additional components for complex data routing scenarios

Working Principles

The MC74ACT157DTR2 operates as a multiplexer by selecting one of the four data inputs (A, B, C, D) based on the control inputs (C3, C2). The selected input is then routed to the output pin (Y). The IC utilizes Schmitt trigger inputs to improve noise immunity, ensuring accurate data selection even in noisy environments.

Detailed Application Field Plans

The MC74ACT157DTR2 finds applications in various digital systems, including but not limited to: - Data routing and selection in microcontrollers - Address decoding in memory systems - Input signal selection in audio/video equipment - Multiplexing control signals in communication systems

Detailed and Complete Alternative Models

1. SN74ACT157: Similar quad 2-input multiplexer IC from Texas Instruments.
2. CD74ACT157: Quad 2-input multiplexer IC from Texas Instruments with similar characteristics.
3. 74HC157: Quad 2-input multiplexer IC from NXP Semiconductors, compatible with CMOS logic levels.

These alternative models offer similar functionality and can be considered as substitutes for the MC74ACT157DTR2 in various applications.

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