SN74ALS38BD

Product Overview

Category: Integrated Circuit (IC)
Use: Logic Gate
Characteristics: Quad 2-input NAND buffer gate
Package: DIP-14 (Dual In-line Package with 14 pins)
Essence: Buffering and amplifying digital signals
Packaging/Quantity: Tube packaging, 25 pieces per tube

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: 9ns (typical)
High-Level Output Current: -0.4mA (max)
Low-Level Output Current: 8mA (max)

Detailed Pin Configuration

The SN74ALS38BD has a total of 14 pins arranged as follows:

A1: Input A1
B1: Input B1
Y1: Output Y1
GND: Ground
Y2: Output Y2
B2: Input B2
A2: Input A2
VCC: Power Supply
Y3: Output Y3
B3: Input B3
A3: Input A3
Y4: Output Y4
B4: Input B4
A4: Input A4

Functional Features

Quad 2-input NAND buffer gate
Provides buffering and amplification of digital signals
High noise immunity
Compatible with TTL (Transistor-Transistor Logic) inputs
Open-collector outputs for wired-OR applications
Schmitt-trigger input for improved noise rejection

Advantages and Disadvantages

Advantages: - High noise immunity ensures reliable signal transmission - Open-collector outputs allow for wired-OR applications - Schmitt-trigger input enhances noise rejection

Disadvantages: - Limited to 2-input NAND gate functionality - Not suitable for high-speed applications

Working Principles

The SN74ALS38BD is a quad 2-input NAND buffer gate. It takes two input signals, A and B, and produces the logical NAND of these inputs at the corresponding output pins Y1, Y2, Y3, and Y4. The device operates on a supply voltage range of 4.5V to 5.5V and provides high noise immunity due to its Schmitt-trigger input.

Detailed Application Field Plans

The SN74ALS38BD can be used in various digital logic applications, including but not limited to: - Data processing systems - Arithmetic circuits - Memory address decoding - Control systems - Clock distribution networks

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to the SN74ALS38BD are: - SN74LS00: Quad 2-input NAND gate - SN74HC00: Quad 2-input NAND gate with CMOS technology - SN74HCT00: Quad 2-input NAND gate with CMOS technology and TTL compatibility

These alternative models offer different characteristics and may be suitable for specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74ALS38BD v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74ALS38BD in technical solutions:

Q: What is SN74ALS38BD? A: SN74ALS38BD is a quad 2-input NAND buffer/driver IC (integrated circuit) commonly used in digital logic applications.
Q: What is the purpose of SN74ALS38BD? A: SN74ALS38BD is used to amplify and buffer digital signals, providing signal conditioning and driving capability for various electronic circuits.
Q: What is the voltage supply range for SN74ALS38BD? A: SN74ALS38BD operates with a voltage supply range of 4.5V to 5.5V.
Q: How many inputs does SN74ALS38BD have? A: SN74ALS38BD has four independent 2-input NAND gates, totaling eight input pins.
Q: What is the maximum output current of SN74ALS38BD? A: The maximum output current per gate of SN74ALS38BD is typically 24mA.
Q: Can SN74ALS38BD be used for level shifting? A: Yes, SN74ALS38BD can be used for level shifting by connecting its inputs and outputs to different voltage domains.
Q: What is the propagation delay of SN74ALS38BD? A: The typical propagation delay of SN74ALS38BD is around 9ns.
Q: Is SN74ALS38BD compatible with TTL (Transistor-Transistor Logic) inputs? A: Yes, SN74ALS38BD is compatible with TTL inputs, making it suitable for interfacing between TTL and CMOS (Complementary Metal-Oxide-Semiconductor) logic.
Q: Can SN74ALS38BD be used in high-speed applications? A: Yes, SN74ALS38BD can be used in high-speed applications due to its fast propagation delay and compatibility with TTL inputs.
Q: What is the package type of SN74ALS38BD? A: SN74ALS38BD is available in a 14-pin DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.