Encyclopedia Entry: 74AC374SCX

Product Overview

Category

The 74AC374SCX belongs to the category of integrated circuits (ICs), specifically flip-flops.

Use

This product is commonly used in digital electronics for storing and transferring data in sequential logic circuits.

Characteristics

• The 74AC374SCX is a high-speed, octal D-type flip-flop with a transparent latch.
• It operates on a wide voltage range, typically between 2V and 6V.
• This IC offers low power consumption and high noise immunity.
• It is designed to be compatible with both TTL and CMOS logic families.

Package

The 74AC374SCX is available in a small-outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to store and transfer data reliably within digital circuits.

Packaging/Quantity

Typically, the 74AC374SCX is sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to Vcc
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: Vcc - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 125 MHz
• Propagation Delay Time: 4 ns

Detailed Pin Configuration

The 74AC374SCX has a total of 20 pins, which are assigned specific functions 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 74AC374SCX offers the following functional features:

• Transparent latch design allows real-time data transfer when the clock signal is active.
• High-speed operation enables efficient data storage and retrieval.
• Compatibility with TTL and CMOS logic families ensures versatility in circuit design.
• Low power consumption makes it suitable for battery-powered devices.
• High noise immunity enhances reliability in noisy environments.

Advantages and Disadvantages

Advantages

• High-speed operation
• Wide voltage range compatibility
• Low power consumption
• Versatility in circuit design
• Reliable performance in noisy environments

Disadvantages

• Limited number of outputs (8 in total)
• Not suitable for applications requiring a large number of flip-flops

Working Principles

The 74AC374SCX operates based on the principles of sequential logic. When the clock input (CLK) is active, the data inputs (D0-D7) are latched and stored in their corresponding flip-flop outputs (Q0-Q7). The transparent latch design allows real-time data transfer, ensuring accurate and synchronized information flow within the circuit.

Detailed Application Field Plans

The 74AC374SCX finds applications in various digital systems, including but not limited to: - Microprocessors - Data storage devices - Communication systems - Control units - Digital signal processing

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74AC374SCX include: - 74HC374: A CMOS version with a wider supply voltage range. - 74LS374: A TTL version with lower power consumption. - CD4013: A dual D-type flip-flop IC with complementary outputs.

These alternative models can be considered based on specific project requirements, such as voltage compatibility, power consumption, or cost considerations.

In conclusion, the 74AC374SCX is a high-speed octal D-type flip-flop IC used for data storage and transfer in digital circuits. Its versatile characteristics, compact package, and reliable performance make it suitable for various applications in the field of digital electronics.