Encyclopedia Entry: 74ACT253MTCX

Product Overview

Category

The 74ACT253MTCX belongs to the category of integrated circuits (ICs) and specifically falls under the family of digital logic multiplexers.

Use

This IC is primarily used for data selection and routing purposes in various electronic applications. It allows multiple input signals to be selectively routed to a single output based on control inputs.

Characteristics

• High-speed operation: The 74ACT253MTCX is designed to operate at high clock frequencies, making it suitable for time-critical applications.
• Low power consumption: This IC is optimized for low power consumption, ensuring efficient energy usage.
• Wide operating voltage range: It can operate within a wide voltage range, typically between 2V and 6V.
• Compatibility: The 74ACT253MTCX is compatible with both TTL and CMOS logic families, allowing for easy integration into existing systems.

Package and Quantity

The 74ACT253MTCX is available in a small outline integrated circuit (SOIC) package. It is supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Number of Inputs: 4
• Number of Control Inputs: 2
• Number of Outputs: 1
• Logic Family: ACT
• Operating Voltage Range: 2V - 6V
• Propagation Delay: 5 ns (typical)
• Maximum Operating Frequency: 125 MHz

Pin Configuration

The pin configuration of the 74ACT253MTCX is as follows:

+---+--+---+ S0 -|1 +--+ 16|- VCC S1 -|2 15|- GND A0 -|3 14|- B A1 -|4 13|- Y I0 -|5 12|- I3 I1 -|6 11|- I2 I2 -|7 10|- I1 I3 -|8 9|- I0 +----------+

Functional Features

The 74ACT253MTCX offers the following functional features:

• Data selection: It allows for the selection of one of the four input signals based on the control inputs.
• Multiplexing: The IC can route the selected input signal to the output pin.
• Edge-triggered operation: The data selection and routing occur on the rising edge of the clock signal, ensuring synchronized operation.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing in time-critical applications.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range allows for compatibility with various systems.
• Compatibility with TTL and CMOS logic families simplifies integration.

Disadvantages

• Limited number of inputs and outputs may restrict its application in complex systems requiring more extensive data routing capabilities.
• Propagation delay of 5 ns (typical) may introduce slight latency in certain applications.

Working Principles

The 74ACT253MTCX operates based on the principle of multiplexing. The control inputs (S0 and S1) determine which of the four input signals (I0-I3) is selected and routed to the output pin (Y). The selection occurs on the rising edge of the clock signal, ensuring synchronized operation.

Application Field Plans

The 74ACT253MTCX finds applications in various electronic systems, including but not limited to: - Data communication systems - Digital multiplexers - Arithmetic logic units (ALUs) - Address decoding circuits - Data routing and selection modules

Alternative Models

Alternative models that offer similar functionality to the 74ACT253MTCX include: - 74HC253: A CMOS logic multiplexer with comparable specifications. - CD4053: A CMOS analog/digital multiplexer with additional features. - SN54/74LS151: A TTL logic multiplexer with a larger number of inputs and outputs.

Note: The above alternative models are provided as examples and may have different pin configurations and specifications. It is recommended to refer to their respective datasheets for detailed information.

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