Encyclopedia Entry: 74AHCT273PW-Q100J

Product Overview

Category

The 74AHCT273PW-Q100J belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with TTL (Transistor-Transistor Logic) inputs
• Robustness against noise and interference

Package

The 74AHCT273PW-Q100J is available in a standard 20-pin TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of this product lies in its ability to store and process digital information efficiently and reliably.

Packaging/Quantity

The 74AHCT273PW-Q100J is typically packaged in reels or tubes, containing a quantity of 250 units per package.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Output Current: ±8mA
• Propagation Delay: 6ns (max)
• Input Capacitance: 3.5pF (typ)

Detailed Pin Configuration

The 74AHCT273PW-Q100J 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. Q7 (Output 7)
12. Q6 (Output 6)
13. Q5 (Output 5)
14. Q4 (Output 4)
15. Q3 (Output 3)
16. Q2 (Output 2)
17. Q1 (Output 1)
18. Q0 (Output 0)
19. CP (Clock Pulse)
20. VCC (Supply Voltage)

Functional Features

The 74AHCT273PW-Q100J offers the following functional features:

• Data storage: The IC can store up to 8 bits of digital data.
• Clock-triggered operation: The stored data can be latched and updated based on clock pulses.
• Asynchronous clear: The CLR pin allows for clearing the stored data when required.
• TTL compatibility: The IC is designed to work seamlessly with TTL logic levels.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range allows for versatile applications.
• Robustness against noise and interference ensures reliable performance.

Disadvantages

• Limited storage capacity of 8 bits may not suffice for certain applications requiring larger data storage.
• The TSSOP package may pose challenges in terms of soldering and handling for some users.

Working Principles

The 74AHCT273PW-Q100J operates based on the principles of flip-flops and clock-triggered latches. When a clock pulse is received, the input data is latched and stored in the internal memory. The stored data remains unchanged until the next clock pulse triggers an update. The asynchronous clear function allows for resetting the stored data independently of the clock signal.

Detailed Application Field Plans

The 74AHCT273PW-Q100J finds applications in various digital systems, including but not limited to:

1. Microcontrollers and microprocessors
2. Data storage devices
3. Communication systems
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

• 74HC273: Similar functionality, but operates at a higher voltage range (2V to 6V).
• 74LS273: Compatible with TTL logic levels, but has slower operation speed compared to the AHCT series.
• CD4027: Dual flip-flop IC with additional features like set and reset inputs.

These alternative models provide similar functionality to the 74AHCT273PW-Q100J, catering to different voltage requirements and performance characteristics.

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