Encyclopedia Entry: 74AC257MTC

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Selector/Multiplexer
• Characteristics: High-speed, low-power consumption
• Package: TSSOP-16
• Essence: A versatile IC used for data selection and multiplexing tasks
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Logic Family: AC
• Number of Inputs: 4
• Number of Outputs: 1
• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 5.5 ns (typical)

Detailed Pin Configuration

The 74AC257MTC has a total of 16 pins arranged as follows:

__ __ Y1 --| 1 16 |-- Vcc Y2 --| 2 15 |-- B Y3 --| 3 14 |-- A Y4 --| 4 13 |-- GND /OE --| 5 12 |-- S0 A0 --| 6 11 |-- S1 A1 --| 7 10 |-- S2 A2 --| 8 9 |-- S3 ----------

Functional Features

• The 74AC257MTC is a quad 2-input multiplexer with common select inputs (S0, S1, S2, S3).
• It allows the user to select one of the four data inputs (A0, A1, A2) and route it to the output (Y).
• The output is determined by the combination of select inputs.
• The IC operates at high speed and consumes low power, making it suitable for various applications.

Advantages

• High-speed operation enables efficient data selection and multiplexing.
• Low-power consumption helps in reducing overall system energy requirements.
• Versatile functionality allows for flexible use in different circuit designs.
• Compact TSSOP-16 package offers space-saving benefits.

Disadvantages

• Limited number of inputs and outputs restricts the complexity of multiplexing tasks.
• Propagation delay may affect real-time applications requiring instantaneous response.

Working Principles

The 74AC257MTC works based on the principle of digital multiplexing. It uses select inputs (S0, S1, S2, S3) to determine which data input (A0, A1, A2) is connected to the output (Y). By manipulating the select inputs, the user can choose the desired data source. The IC operates at high speed due to its advanced AC logic family, ensuring efficient data selection and multiplexing.

Detailed Application Field Plans

The 74AC257MTC finds applications in various fields, including: 1. Digital communication systems 2. Data acquisition systems 3. Industrial automation 4. Instrumentation equipment 5. Consumer electronics

Alternative Models

Some alternative models that offer similar functionality to the 74AC257MTC are: - SN74HC257N - CD4051BE - MC14051BCP

These alternatives can be considered based on specific project requirements or availability.

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