Encyclopedia Entry: 74ACT258MTCX

Product Overview

Category

The 74ACT258MTCX belongs to the category of integrated circuits (ICs) and specifically falls under the family of multiplexers.

Use

This product is primarily used in digital electronic systems for data selection and routing purposes. It allows multiple input signals to be directed to a single output line, based on control inputs.

Characteristics

• High-speed operation: The 74ACT258MTCX is designed to operate at high speeds, making it suitable for applications that require fast data processing.
• Low power consumption: This IC is designed to minimize power consumption, making it energy-efficient.
• Wide operating voltage range: It can operate within a wide voltage range, typically between 2V and 6V.
• Compact package: The 74ACT258MTCX is available in a small surface-mount package, which makes it suitable for space-constrained applications.
• RoHS compliant: This product meets the Restriction of Hazardous Substances directive, ensuring its environmental friendliness.

Package and Quantity

The 74ACT258MTCX is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package). It is typically sold in reels or tubes containing multiple units, with quantities varying depending on the supplier.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 5 ns
• Maximum Input Capacitance: 10 pF
• Maximum Quiescent Current: 4 mA

Pin Configuration

The 74ACT258MTCX has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

Pin 1: Control Input A Pin 2: Control Input B Pin 3: Control Input C Pin 4: Control Input D Pin 5: Output Enable (OE) Pin 6: Data Input 0 (D0) Pin 7: Data Input 1 (D1) Pin 8: Data Input 2 (D2) Pin 9: Data Input 3 (D3) Pin 10: Ground (GND) Pin 11: Data Output Y Pin 12: VCC Pin 13: Data Input 4 (D4) Pin 14: Data Input 5 (D5) Pin 15: Data Input 6 (D6) Pin 16: Data Input 7 (D7)

Functional Features

The 74ACT258MTCX offers the following functional features:

• Data selection: It allows for the selection of one of the eight input lines to be routed to the output line based on the control inputs.
• Output enable: The OE pin enables or disables the output, providing control over when the selected data is propagated to the output line.
• High-speed operation: This IC operates at high speeds, ensuring efficient data processing in digital systems.
• Low power consumption: It consumes minimal power, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• High-speed operation enables fast data processing.
• Low power consumption makes it energy-efficient.
• Wide operating voltage range provides flexibility in various applications.
• Compact package allows for space-saving designs.
• RoHS compliance ensures environmental friendliness.

Disadvantages

• Limited number of input lines (eight) may not be sufficient for certain complex applications.
• Lack of built-in protection features against voltage spikes or ESD events.

Working Principles

The 74ACT258MTCX is a multiplexer that operates based on control inputs. The control inputs (A, B, C, and D) determine which of the eight data inputs (D0 to D7) is selected and routed to the output line (Y). The OE pin controls the output enable function, allowing the selected data to be propagated to the output line when enabled.

Application Field Plans

The 74ACT258MTCX finds applications in various fields, including:

1. Digital communication systems: It can be used for data routing and selection in communication equipment.
2. Computer systems: This IC enables efficient data switching and selection within computer architectures.
3. Industrial automation: It can be utilized in control systems for selecting and routing sensor data.
4. Consumer electronics: The 74ACT258MTCX can be employed in devices such as TVs, set-top boxes, and gaming consoles for data processing and selection.

Alternative Models

For users seeking alternatives to the 74ACT258MTCX, the following models can be considered