Encyclopedia Entry: 74HCT273DB,118

Product Overview

Category

The 74HCT273DB,118 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for storing and manipulating binary data. It serves as a D-type flip-flop with eight individual flip-flops within a single package.

Characteristics

• High-speed operation
• Low power consumption
• Compatibility with both TTL and CMOS logic levels
• Wide operating voltage range
• Compact package size

Package

The 74HCT273DB,118 is available in a standard 20-pin SSOP (Shrink Small Outline Package) format.

Essence

The essence of this product lies in its ability to store and retain digital information, making it an essential component in various electronic devices and systems.

Packaging/Quantity

The 74HCT273DB,118 is typically packaged in reels or tubes, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

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 +125°C
• Maximum Clock Frequency: 25 MHz
• Propagation Delay Time: 15 ns (typical)

Detailed Pin Configuration

The 74HCT273DB,118 features a total of 20 pins, each serving a specific function. The pin configuration is as follows:

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

Functional Features

The 74HCT273DB,118 offers the following functional features:

• Eight individual D-type flip-flops
• Asynchronous clear input (CLR) for resetting all flip-flops
• Synchronous parallel loading of data inputs (D0-D7)
• Positive-edge triggered clock input (CLK)
• Enable input (EN) for controlling the operation of the flip-flops
• Buffered outputs (Q0-Q7) for accessing stored data

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data storage and retrieval.
• Low power consumption makes it suitable for battery-powered devices.
• Compatibility with both TTL and CMOS logic levels ensures versatility in various circuit designs.
• Wide operating voltage range provides flexibility in different power supply configurations.
• Compact package size saves valuable board space.

Disadvantages

• Limited number of flip-flops (eight) may not be sufficient for certain applications requiring larger data storage capacity.
• Propagation delay time may introduce timing issues in high-frequency applications.

Working Principles

The 74HCT273DB,118 operates based on the principles of sequential logic. It utilizes D-type flip-flops to store and retain binary data. The clock input triggers the transfer of data from the input pins (D0-D7) to the corresponding output pins (Q0-Q7). The enable input controls the operation of the flip-flops, allowing for synchronous or asynchronous loading of data. The clear input resets all flip-flops to a known state.

Detailed Application Field Plans

The 74HCT273DB,118 finds applications in various fields, including:

1. Microcontrollers and microprocessors
2. Memory systems
3. Data storage devices
4. Communication systems
5. Digital signal processing
6. Industrial automation
7. Robotics
8. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HCT273DB,118 include:

1. SN74LS273: This IC is compatible with TTL logic levels and offers eight D-type flip-flops.
2. CD4013B: A CMOS-based IC with dual D-type flip-flops and additional features like set and reset inputs.
3. MC74HC373A: An octal transparent latch with three-state outputs, suitable for bus-oriented applications.

These alternative models can be considered based on specific requirements and compatibility with existing circuit designs.

In conclusion, the 74HCT273DB,118 is a versatile integrated circuit used for storing and manipulating binary data. Its high-speed operation, low power consumption,