Encyclopedia Entry: 74HCT273D/AUJ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Device
• Characteristics: High-Speed, CMOS Technology
• Package: SOIC-20
• Essence: Octal D-Type Flip-Flop with Clear

The 74HCT273D/AUJ is an integrated circuit belonging to the category of digital logic devices. It is specifically designed as an octal D-type flip-flop with clear functionality. This IC is widely used in various electronic applications that require sequential logic operations.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HCT
• Number of Flip-Flops: 8
• Input/Output Compatibility: TTL and CMOS
• Propagation Delay: 13 ns (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The 74HCT273D/AUJ has a total of 20 pins arranged in a Small Outline Integrated Circuit (SOIC) package. The detailed pin configuration is as follows:

1. CLR (Clear Input)
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. Q7 (Flip-Flop Output 7)
12. Q6 (Flip-Flop Output 6)
13. Q5 (Flip-Flop Output 5)
14. Q4 (Flip-Flop Output 4)
15. Q3 (Flip-Flop Output 3)
16. Q2 (Flip-Flop Output 2)
17. Q1 (Flip-Flop Output 1)
18. Q0 (Flip-Flop Output 0)
19. CP (Clock Pulse Input)
20. VCC (Supply Voltage)

Functional Features

• Octal D-Type Flip-Flop: The 74HCT273D/AUJ consists of eight individual D-type flip-flops, allowing for the storage and manipulation of eight bits of data.
• Clear Functionality: The CLR input allows for the synchronous clearing of all flip-flops, resetting them to a known state.
• High-Speed Operation: This IC utilizes HCT logic family technology, enabling fast switching times and efficient performance.
• Wide Supply Voltage Range: The 74HCT273D/AUJ can operate within a supply voltage range of 2V to 6V, providing flexibility in various electronic systems.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data processing. - Clear functionality allows for easy reset of flip-flops. - Wide supply voltage range provides versatility in different applications. - Compatibility with both TTL and CMOS logic levels enhances compatibility with other devices.

Disadvantages: - Limited number of flip-flops may restrict its use in applications requiring larger data storage. - Propagation delay of 13 ns may be relatively high for certain high-speed applications.

Working Principles

The 74HCT273D/AUJ operates based on the principles of sequential logic. It stores and manipulates digital data using eight D-type flip-flops. The clock pulse input (CP) triggers the transfer of data from the input pins (D0-D7) to the corresponding flip-flop outputs (Q0-Q7). The clear input (CLR) synchronously resets all flip-flops to a known state when activated.

Application Field Plans

The 74HCT273D/AUJ finds applications in various electronic systems that require sequential logic operations. Some potential application fields include: - Data storage and retrieval systems - Address decoding circuits - State machine designs - Digital counters and registers

Alternative Models

• 74HC273: Similar octal D-type flip-flop with clear, but operates at a higher voltage range (2V to 6V).
• 74LS273: Octal D-type flip-flop with clear, compatible with TTL logic levels.
• CD4013: Dual D-type flip-flop with clear, operates at a wider supply voltage range (3V to 18V).

These alternative models offer similar functionality to the 74HCT273D/AUJ and can be considered as substitutes depending on specific requirements.

In conclusion, the 74HCT273D/AUJ is a versatile integrated circuit used for sequential logic operations. Its high-speed operation, clear functionality, and wide supply voltage range make it suitable for various applications. However, its limited number of flip-flops and