SN74LS38DBR

Product Overview

Category

SN74LS38DBR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital logic applications.

Characteristics

• Low-power Schottky technology
• Quad 2-input NAND gate with open collector outputs
• High-speed operation
• Wide operating voltage range: 4.75V to 5.25V
• Low power consumption

Package

SN74LS38DBR is available in a small-outline package (SOIC) with 14 pins.

Essence

The essence of SN74LS38DBR lies in its ability to perform logical operations and provide open collector outputs.

Packaging/Quantity

SN74LS38DBR is typically packaged in reels, with each reel containing 2500 units.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 9ns (max)
• Power Dissipation: 50mW (max)

Detailed Pin Configuration

1. A Input 1
2. B Input 1
3. Y Output 1
4. A Input 2
5. B Input 2
6. Y Output 2
7. GND (Ground)
8. Y Output 3
9. A Input 3
10. B Input 3
11. Y Output 4
12. A Input 4
13. B Input 4
14. VCC (Supply Voltage)

Functional Features

• Quad 2-input NAND gates: The SN74LS38DBR consists of four independent 2-input NAND gates.
• Open collector outputs: The outputs of the NAND gates are open collector, allowing for wired-OR connections.

Advantages and Disadvantages

Advantages

• Low power consumption: SN74LS38DBR operates at low power, making it suitable for battery-powered devices.
• High-speed operation: The product offers fast propagation delay times, enabling efficient data processing.

Disadvantages

• Limited voltage range: SN74LS38DBR has a relatively narrow operating voltage range, which may restrict its use in certain applications.
• Open collector outputs: While open collector outputs provide flexibility, they require additional pull-up resistors for proper signal handling.

Working Principles

SN74LS38DBR operates based on the principles of digital logic. It takes input signals from the A and B pins, performs NAND operations, and provides corresponding output signals on the Y pins. The open collector outputs allow multiple devices to be connected together, forming logical combinations.

Detailed Application Field Plans

SN74LS38DBR finds applications in various fields, including: 1. Digital electronics 2. Microcontrollers 3. Communication systems 4. Industrial automation 5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as replacements for SN74LS38DBR include: - 74HC00: Quad 2-input NAND gate with CMOS technology - CD4011: Quad 2-input NAND gate with CMOS technology - SN74LS00: Quad 2-input NAND gate with TTL technology - MC14011: Quad 2-input NAND gate with CMOS technology

These alternatives offer similar functionality and can be used interchangeably depending on specific requirements.

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