Encyclopedia Entry: 74VHC273SJX

Product Overview

Category

The 74VHC273SJX 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 and transfer it to an output based on clock signals.

Characteristics

• High-speed operation: The 74VHC273SJX offers fast switching times, making it suitable for applications requiring quick data storage and retrieval.
• Low power consumption: This IC is designed to operate efficiently with minimal power requirements.
• Wide operating voltage range: It can function reliably within a voltage range of 2V to 5.5V.
• Compatibility: The 74VHC273SJX is compatible with various logic families, allowing for seamless integration into different digital systems.

Package and Quantity

The 74VHC273SJX is available in a small outline integrated circuit (SOIC) package. Each package contains one IC.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance: 3pF (typical)
• Output Current: ±8mA (maximum)

Pin Configuration

The 74VHC273SJX has a total of 20 pins, each serving a specific function. The detailed pin configuration is as follows:

1. CLR (Clear)
2. D0 (Data Input 0)
3. D1 (Data Input 1)
4. D2 (Data Input 2)
5. D3 (Data Input 3)
6. D4 (Data Input 4)
7. D5 (Data Input 5)
8. D6 (Data Input 6)
9. D7 (Data Input 7)
10. GND (Ground)
11. Q0 (Output 0)
12. Q1 (Output 1)
13. Q2 (Output 2)
14. Q3 (Output 3)
15. Q4 (Output 4)
16. Q5 (Output 5)
17. Q6 (Output 6)
18. Q7 (Output 7)
19. CP (Clock Pulse)
20. VCC (Supply Voltage)

Functional Features

• Data storage: The 74VHC273SJX can store data on its inputs and retain it until a clock pulse triggers the transfer to the outputs.
• Clock-controlled operation: The IC responds to clock signals, ensuring synchronized data transfer and reliable operation in digital systems.
• Clear function: The CLR pin allows for the simultaneous clearing of all flip-flop outputs, resetting them to a known state.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data handling in time-critical applications.
• Low power consumption contributes to energy-efficient designs.
• Wide operating voltage range offers flexibility in various electronic systems.
• Compatibility with different logic families simplifies integration.

Disadvantages

• Limited output current may restrict usage in certain high-current applications.
• The small outline package may require additional precautions during assembly and handling.

Working Principles

The 74VHC273SJX operates based on the principles of sequential logic. It utilizes positive-edge-triggered flip-flops to store and transfer data. When a clock pulse is received, the input data is latched and transferred to the corresponding output pins. The stored data remains unchanged until the next clock pulse triggers a new transfer.

Application Field Plans

The 74VHC273SJX finds application in various digital systems, including: - Microcontrollers and microprocessors - Data storage devices - Communication systems - Industrial automation - Consumer electronics

Alternative Models

For those seeking alternatives to the 74VHC273SJX, several similar ICs are available in the market. Some notable alternatives include: - 74HC273: A compatible IC from the HC logic family. - 74LS273: A low-power Schottky version of the flip-flop IC. - CD4013: A CMOS-based dual D-type flip-flop.

These alternative models offer similar functionality and can be considered based on specific project requirements.

In conclusion, the 74VHC273SJX is a high-speed, low-power flip-flop IC used for data storage and transfer in digital systems. Its compatibility, wide voltage range, and compact package make it suitable for various applications across different industries.

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