Encyclopedia Entry: 74AHCT273D,112

Product Overview

Category

The 74AHCT273D,112 belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This product is commonly used in digital electronics for storing and manipulating binary data. It serves as a fundamental building block in various applications such as registers, counters, and memory units.

Characteristics

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

Package

The 74AHCT273D,112 is available in a standard 20-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of this product lies in its ability to store and retain binary information, allowing for sequential logic operations in digital systems.

Packaging/Quantity

The 74AHCT273D,112 is typically packaged in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±8mA
• Propagation Delay Time: 7ns (max)
• Flip-Flop Type: D-Type (Positive Edge-Triggered)

Detailed Pin Configuration

The 74AHCT273D,112 has a total of 20 pins, each serving a specific function. The 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

The key functional features of the 74AHCT273D,112 include:

• Positive edge-triggered operation
• Asynchronous clear input (CLR) for resetting the flip-flop
• Data inputs (D0-D7) for storing binary information
• Clock pulse input (CP) for synchronizing data transfer
• Output pins (Q0-Q7) for retrieving stored data

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing
• Low power consumption contributes to energy efficiency
• Wide operating voltage range allows for compatibility with various systems
• Compatibility with TTL and CMOS logic families enhances versatility

Disadvantages

• Limited output current may restrict certain applications requiring higher drive capabilities
• Propagation delay time may affect timing-sensitive operations in some designs

Working Principles

The 74AHCT273D,112 operates based on positive edge-triggered flip-flop functionality. When a clock pulse is received at the CP pin, the data present at the D0-D7 inputs is transferred and stored in the corresponding Q0-Q7 output pins. The stored data remains unchanged until the next clock pulse triggers a new data transfer.

Detailed Application Field Plans

The 74AHCT273D,112 finds extensive application in various digital systems, including but not limited to:

1. Register circuits for temporary data storage
2. Counter circuits for counting events or generating timing signals
3. Memory units for storing binary information
4. Control circuits for sequential logic operations

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74AHCT273D,112 include:

1. SN74HC273N by Texas Instruments
2. CD74HCT273E by Texas Instruments
3. MC74HC273AN by ON Semiconductor
4. 74LS273 by Fairchild Semiconductor

These alternatives can be considered based on specific requirements and availability.

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