Encyclopedia Entry: 74AC04SJ

Product Overview

Category

The 74AC04SJ belongs to the category of integrated circuits (ICs), specifically in the family of logic gates.

Use

This product is commonly used in digital electronics for signal processing and logical operations. It serves as a hex inverter, which means it can invert the input logic levels.

Characteristics

• Hex inverter IC
• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with TTL and CMOS logic families

Package

The 74AC04SJ is available in a small outline integrated circuit (SOIC) package. This package provides compactness and ease of integration into electronic circuits.

Essence

The essence of the 74AC04SJ lies in its ability to perform logical inversion on input signals, making it a fundamental component in digital systems.

Packaging/Quantity

The 74AC04SJ is typically sold in reels or tubes, containing a quantity of 250 or 1000 units per package.

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
• Propagation Delay Time: 5 ns (max)
• Output Current: ±24 mA

Detailed Pin Configuration

The 74AC04SJ has a total of 14 pins, numbered as follows:

1. Input A1
2. Output Y1
3. Input A2
4. Output Y2
5. Ground (GND)
6. Input A3
7. Output Y3
8. Vcc (Supply Voltage)
9. Output Y4
10. Input A4
11. Output Y5
12. Input A5
13. Output Y6
14. Input A6

Functional Features

• Hex inverter with six independent inverters
• High-speed operation allows for efficient signal processing
• Low power consumption makes it suitable for battery-powered devices
• Wide operating voltage range ensures compatibility with various systems
• TTL and CMOS logic family compatibility enables seamless integration

Advantages and Disadvantages

Advantages

• Fast propagation delay time enhances system performance
• Low power consumption prolongs battery life
• Compatibility with multiple logic families simplifies circuit design
• Small package size facilitates space-constrained applications

Disadvantages

• Limited output current may restrict use in high-power applications
• Sensitivity to electrostatic discharge (ESD) requires proper handling precautions

Working Principles

The 74AC04SJ operates based on the principles of complementary metal-oxide-semiconductor (CMOS) technology. Each inverter within the IC consists of a PMOS (p-channel MOS) transistor and an NMOS (n-channel MOS) transistor. When the input voltage is low, the PMOS transistor conducts, allowing the output to be pulled high. Conversely, when the input voltage is high, the NMOS transistor conducts, pulling the output low.

Detailed Application Field Plans

The 74AC04SJ finds extensive application in various digital systems, including but not limited to: - Microcontrollers - Data communication devices - Computer peripherals - Industrial automation equipment - Consumer electronics

Its ability to perform logical inversion makes it valuable in signal processing, data transmission, and control circuits.

Detailed and Complete Alternative Models

There are several alternative models available that serve similar functions to the 74AC04SJ. Some notable alternatives include: - 74HC04: High-speed CMOS hex inverter - CD4069UB: CMOS hex inverter with buffered outputs - SN74LS04: Low-power Schottky TTL hex inverter

These alternatives offer different characteristics and may be preferred based on specific application requirements.

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