CD74AC574M

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power consumption
• Package: 20-pin SOIC (Small Outline Integrated Circuit)
• Essence: D-type flip-flop with 3-state outputs
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: AC
• Number of Flip-Flops: 8
• Input Voltage: 2V to 6V
• Output Voltage: 0V to Vcc
• Propagation Delay: 5.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74AC574M has a total of 20 pins, which are assigned as follows:

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

Functional Features

• D-type flip-flop with 3-state outputs
• High-speed operation
• Low-power consumption
• Non-inverting outputs
• Master Reset (MR) for synchronous reset
• Output Enable (OE) for tri-state output control

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing
• Low-power consumption helps in reducing energy usage
• 3-state outputs provide flexibility in connecting multiple devices
• Non-inverting outputs simplify circuit design
• Master Reset enables synchronous reset functionality

Disadvantages

• Limited number of flip-flops (8 in this case)
• Requires external components for complete circuit implementation
• Sensitive to voltage fluctuations

Working Principles

The CD74AC574M is a D-type flip-flop that stores and transfers data based on clock signals. It operates on the rising edge of the clock input (CP) and stores the data present at the data inputs (D0-D7) at that instant. The stored data is then available at the corresponding outputs (Q0-Q7).

The Master Reset (MR) input allows for synchronous reset, clearing all flip-flops to a known state when activated. The Output Enable (OE) input controls the tri-state outputs, enabling or disabling their connection to other devices.

Detailed Application Field Plans

The CD74AC574M is widely used in various digital systems and applications, including:

1. Microprocessors and microcontrollers
2. Data storage systems
3. Communication equipment
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Its ability to store and transfer data efficiently makes it suitable for applications requiring sequential data processing and synchronization.

Detailed and Complete Alternative Models

1. SN74AC574: Similar functionality, different package (DIP-20)
2. MC74AC574: Similar functionality, different manufacturer (Motorola)
3. 74HC574: Lower power consumption, compatible with CMOS logic levels
4. CD4013: Dual D-type flip-flop with similar characteristics

These alternative models offer similar functionality and can be used as replacements for the CD74AC574M based on specific requirements and availability.

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