SN74AC374N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power, octal D-type flip-flop
• Package: DIP (Dual In-line Package)
• Essence: A versatile and reliable IC used for storing and transferring data in digital systems
• Packaging/Quantity: Available in tubes or reels, with varying quantities depending on the supplier

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Current: -24mA
• Low-Level Output Current: 24mA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74AC374N has a total of 20 pins, which are arranged 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: Clock Enable Input (CE)
11. Pin 11: Output Enable Input (OE)
12. Pin 12: Master Reset Input (MR)
13. Pin 13: Q0 Output
14. Pin 14: Q1 Output
15. Pin 15: Q2 Output
16. Pin 16: Q3 Output
17. Pin 17: Q4 Output
18. Pin 18: Q5 Output
19. Pin 19: Q6 Output
20. Pin 20: Q7 Output

Functional Features

• High-speed operation allows for efficient data transfer in digital systems.
• Low-power consumption makes it suitable for battery-powered devices.
• Octal D-type flip-flop design enables the storage and transfer of eight bits of data simultaneously.
• Clock enable and output enable inputs provide control over the timing and activation of the flip-flop.
• Master reset input allows for resetting all flip-flop outputs to a known state.

Advantages and Disadvantages

Advantages

• High-speed operation enhances the overall performance of digital systems.
• Low-power consumption prolongs battery life in portable devices.
• Versatile functionality allows for various applications in different digital systems.
• Reliable and durable design ensures long-term operation.

Disadvantages

• Limited number of flip-flops (eight) may restrict its use in larger-scale systems.
• DIP package may not be suitable for space-constrained applications.
• Lack of built-in protection features may require additional circuitry for robust operation.

Working Principles

The SN74AC374N operates based on the principles of positive-edge-triggered D-type flip-flops. It stores and transfers data using clock signals and control inputs. When the clock signal transitions from low to high (positive edge), the data present at the input pins is latched and transferred to the corresponding output pins. The clock enable, output enable, and master reset inputs provide additional control over the flip-flop's behavior.

Detailed Application Field Plans

The SN74AC374N finds applications in various digital systems, including:

1. Microcontrollers and microprocessors
2. Data storage and retrieval systems
3. Communication equipment
4. Industrial automation systems
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

1. SN74AC574: Similar to SN74AC374N, but with tri-state outputs.
2. 74HC374: CMOS-based octal D-type flip-flop with similar functionality.
3. CD4013: Dual D-type flip-flop with complementary outputs.

These alternative models offer similar functionality and can be used as replacements for the SN74AC374N in different applications.

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