DM74ALS257SJX

Product Overview

Category

DM74ALS257SJX belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital electronics and computer systems for data multiplexing applications.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with TTL logic levels

Package

DM74ALS257SJX is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of DM74ALS257SJX lies in its ability to efficiently multiplex data signals, enabling effective data transmission and processing.

Packaging/Quantity

DM74ALS257SJX is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of ICs.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Logic Family: ALS
• Number of Channels: 1
• Input/Output Type: Tri-State
• Package Type: SOIC

Detailed Pin Configuration

1. A0: Data input A
2. A1: Data input B
3. A2: Data input C
4. A3: Data input D
5. G: Enable input
6. Y: Multiplexed output
7. VCC: Positive supply voltage
8. GND: Ground

Functional Features

• Data multiplexing: DM74ALS257SJX allows multiple data inputs to be selectively transmitted through a single output line.
• Tri-state outputs: The tri-state output feature enables the output to be disconnected from the bus when not in use, preventing interference.

Advantages and Disadvantages

Advantages

• High-speed operation facilitates efficient data transmission.
• Low power consumption helps conserve energy.
• Wide operating voltage range allows for versatile applications.
• Compatibility with TTL logic levels ensures seamless integration with existing systems.

Disadvantages

• Limited number of channels restricts the simultaneous multiplexing of multiple data inputs.
• The SOIC package may not be suitable for all application scenarios.

Working Principles

DM74ALS257SJX operates by selectively enabling one of the four data inputs (A0 to A3) based on the control input (G). The selected data input is then transmitted through the output pin (Y), while the remaining inputs are disconnected from the output line.

Detailed Application Field Plans

DM74ALS257SJX finds extensive use in various digital systems, including: 1. Data communication networks 2. Microprocessor-based systems 3. Industrial automation 4. Instrumentation and measurement equipment 5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to DM74ALS257SJX include: 1. SN74ALS257: Manufactured by Texas Instruments 2. MC74ALS257: Manufactured by ON Semiconductor 3. CD74ALS257: Manufactured by Texas Instruments

These alternative models can be considered based on specific requirements and availability.

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