Encyclopedia Entry: 74AC273SC

Product Overview

Category

The 74AC273SC belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This IC is commonly used in digital electronics for storing and manipulating binary data. It serves as a D-type flip-flop, which can store a single bit of information.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels

Package

The 74AC273SC is available in a standard 20-pin small-outline package (SOIC). This package offers compactness and ease of integration into electronic circuits.

Essence

The essence of the 74AC273SC lies in its ability to retain and control the state of a single bit of data, making it an essential component in sequential logic circuits.

Packaging/Quantity

The 74AC273SC is typically sold in reels or tubes containing multiple units. The exact quantity may vary 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 Clock Frequency: 100 MHz
• Propagation Delay Time: 5 ns (typical)

Detailed Pin Configuration

The 74AC273SC has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

1. CP (Clock Pulse) - Input
2. D0-D7 (Data Inputs) - Inputs
3. Q0-Q7 (Data Outputs) - Outputs
4. GND (Ground) - Ground
5. Q7' (Complementary Output) - Output
6. MR (Master Reset) - Input
7. OE (Output Enable) - Input
8. Vcc (Supply Voltage) - Power

Functional Features

• Positive-edge triggered flip-flop
• Synchronous operation with the clock pulse
• Master reset functionality to clear all outputs
• Output enable control for tri-state output operation
• Complementary output (Q7') for additional flexibility in circuit design

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data storage and manipulation
• Low power consumption contributes to energy-efficient designs
• Wide operating voltage range provides compatibility with various systems
• Compatibility with TTL and CMOS logic levels simplifies integration into existing circuits

Disadvantages

• Limited number of data inputs and outputs (8 bits)
• Propagation delay time may affect timing-sensitive applications

Working Principles

The 74AC273SC operates based on the principles of sequential logic. It utilizes positive-edge triggering, meaning that the stored data is updated only when a rising edge is detected on the clock pulse input. The master reset input allows for clearing all outputs to a known state. The output enable input controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The 74AC273SC finds application in various digital systems, including but not limited to: - Microcontrollers - Data storage devices - Communication systems - Arithmetic logic units (ALUs) - Memory address registers

Alternative Models

For those seeking alternatives to the 74AC273SC, several similar ICs are available in the market. Some notable alternatives include: - 74HC273: A CMOS version with similar functionality - 74LS273: A TTL version with comparable characteristics - 74F273: A high-speed version with faster propagation delay

These alternative models offer similar functionality and can be used as replacements depending on specific requirements.

In conclusion, the 74AC273SC is a versatile flip-flop IC widely used in digital electronics for storing and manipulating binary data. Its high-speed operation, low power consumption, and compatibility with different logic levels make it an essential component in various applications.

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