Encyclopedia Entry: 74ABT374CMSA

Product Overview

Category

The 74ABT374CMSA belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for various applications, including data storage and signal buffering.

Characteristics

• High-speed operation
• Low power consumption
• Compatibility with TTL (Transistor-Transistor Logic) inputs
• Output capability of driving up to 15 LS-TTL loads
• Schmitt-trigger action on all inputs

Package

The 74ABT374CMSA is available in a small outline integrated circuit (SOIC) package.

Essence

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

Packaging/Quantity

The 74ABT374CMSA is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Supply voltage: 4.5V to 5.5V
• Input voltage: 0V to VCC
• Operating temperature range: -40°C to +85°C
• Output current: ±24mA
• Propagation delay: 3.8ns (max)
• Output capacitance: 50pF (typ)

Detailed Pin Configuration

The 74ABT374CMSA has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

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

Functional Features

The 74ABT374CMSA offers the following functional features:

• Transparent latch operation
• Asynchronous master reset
• Tri-state outputs for bus-oriented applications
• High-speed data transfer

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited output current may restrict certain high-power applications.
• Propagation delay of 3.8ns (max) may introduce slight timing issues in critical applications.

Working Principles

The 74ABT374CMSA operates based on the principles of digital logic circuits. It utilizes transparent latch operation to store and transfer data. The clock input (CLK) triggers the latch, allowing the data inputs (D0-D7) to be latched and stored in the corresponding flip-flops. The stored data can then be accessed through the output pins (Q0-Q7). The master reset (MR) input asynchronously resets the latch, clearing the stored data.

Detailed Application Field Plans

The 74ABT374CMSA finds applications in various fields, including:

1. Microprocessor systems
2. Data communication systems
3. Industrial automation
4. Consumer electronics
5. Automotive electronics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74ABT374CMSA. Some notable alternatives include:

1. 74HC374: A CMOS-based octal D-type flip-flop with similar characteristics.
2. 74LS374: A TTL-based octal D-type flip-flop with comparable features.
3. CD74ACT374: An advanced CMOS octal D-type flip-flop with enhanced performance.

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

In conclusion, the 74ABT374CMSA is a high-speed, low-power integrated circuit commonly used for data storage and signal buffering in digital electronics. Its transparent latch operation, compatibility with TTL inputs, and Schmitt-trigger action make it a versatile choice for various applications. While it offers advantages such as high-speed operation and low power consumption, it also has limitations in terms of output current and propagation