Encyclopedia Entry: 74AC273PC

Product Overview

Category

The 74AC273PC belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for storing and manipulating binary data.

Characteristics

• The 74AC273PC is a high-speed octal D-type flip-flop with a common clock and reset.
• It operates on a wide voltage range, typically between 2V and 6V.
• This IC offers low power consumption and high noise immunity.
• It is designed to be compatible with both TTL and CMOS logic families.

Package

The 74AC273PC is available in a 20-pin plastic dual in-line package (PDIP).

Essence

The essence of the 74AC273PC lies in its ability to store and synchronize digital data, making it an essential component in various electronic systems.

Packaging/Quantity

The 74AC273PC 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
• High-Level Input Voltage: 2V to Vcc
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: Vcc - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 125 MHz
• Propagation Delay Time: 7 ns (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74AC273PC has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

1. D0: Data input 0
2. D1: Data input 1
3. D2: Data input 2
4. D3: Data input 3
5. D4: Data input 4
6. D5: Data input 5
7. D6: Data input 6
8. D7: Data input 7
9. GND: Ground
10. Q0: Output 0
11. Q1: Output 1
12. Q2: Output 2
13. Q3: Output 3
14. Q4: Output 4
15. Q5: Output 5
16. Q6: Output 6
17. Q7: Output 7
18. CP: Clock input
19. MR: Master reset input
20. Vcc: Power supply

Functional Features

The 74AC273PC offers the following functional features:

• Octal D-type flip-flop with common clock and reset.
• Positive-edge triggered clock input for synchronous operation.
• Asynchronous master reset input for clearing all flip-flops simultaneously.
• High-speed operation suitable for various digital applications.
• Compatibility with both TTL and CMOS logic families.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data storage and manipulation.
• Wide voltage range compatibility enhances versatility in different electronic systems.
• Low power consumption contributes to energy efficiency.
• High noise immunity ensures reliable performance in noisy environments.

Disadvantages

• Limited number of inputs and outputs may restrict complex circuit designs.
• Propagation delay time may affect real-time applications requiring immediate response.

Working Principles

The 74AC273PC operates based on the principles of sequential logic. It stores binary data using flip-flops and synchronizes the data with a common clock signal. The master reset input allows for clearing all flip-flops simultaneously, enabling a fresh start when needed. The positive-edge triggered clock input ensures synchronous operation, ensuring data integrity and reliable performance.

Detailed Application Field Plans

The 74AC273PC finds applications in various digital systems, including but not limited to:

1. Microprocessors and microcontrollers
2. Memory units and registers
3. Data storage and retrieval systems
4. Communication devices and networks
5. Control systems and automation

Its versatility and compatibility make it suitable for a wide range of electronic applications.

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74AC273PC. Some notable alternatives include:

1. 74HC273: A CMOS logic family equivalent with slightly different voltage specifications.
2. CD4013: A dual D-type flip-flop IC with additional features like set and reset inputs.
3. SN74LS273: A TTL logic family equivalent with different voltage and speed characteristics.

These alternative models can be considered based on specific project requirements and compatibility with existing systems.

In conclusion, the 74AC273PC is a versatile and widely used integrated circuit in digital electronics. Its high-speed operation, low power consumption, and compatibility with multiple logic families make it an essential component