Encyclopedia Entry: 74ABT273CSJ

Product Overview

Category

The 74ABT273CSJ belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• High-speed operation
• Low power consumption
• Compatibility with TTL (Transistor-Transistor Logic) inputs
• Schmitt-trigger action on all inputs
• Edge-triggered D-type flip-flop

Package

The 74ABT273CSJ is available in a small outline package (SOIC) format.

Essence

The essence of this product lies in its ability to store and control binary information, making it an essential component in various digital applications.

Packaging/Quantity

The 74ABT273CSJ is typically packaged in reels or tubes, containing a quantity of 250 units per package.

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: ±24mA
• Propagation delay: 3.5ns (max)
• Output capacitance: 50pF (typ)

Detailed Pin Configuration

The 74ABT273CSJ has 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 74ABT273CSJ is a positive-edge-triggered D-type flip-flop with an asynchronous clear input (CLR) and an enable input (EN). It can store one bit of data and transfer it to the output upon receiving a clock signal. The enable input allows for controlling the operation of the flip-flop.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing.
• Low power consumption contributes to energy efficiency.
• Compatibility with TTL inputs allows for easy integration into existing systems.
• Schmitt-trigger action on all inputs ensures reliable signal processing.

Disadvantages

• Limited output current may restrict certain applications requiring higher current capabilities.
• Propagation delay of 3.5ns (max) may affect timing-sensitive operations.

Working Principles

The 74ABT273CSJ operates based on the principles of sequential logic. When the clock input receives a rising edge, the data present at the D inputs is transferred to the corresponding Q outputs. The enable input controls whether the flip-flop responds to the clock signal. The asynchronous clear input resets the flip-flop to a known state when activated.

Detailed Application Field Plans

The 74ABT273CSJ finds applications in various digital systems, including but not limited to: - Microprocessors and microcontrollers - Memory units - Data storage devices - Communication systems - Control circuits

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to the 74ABT273CSJ include: - 74HC273: A CMOS-based octal D-type flip-flop with similar characteristics and pin configuration. - 74LS273: A TTL-based octal D-type flip-flop with comparable features and pin layout.

These alternative models can be considered based on specific project requirements and compatibility with existing systems.

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