CD74ACT574MG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: High-speed, octal D-type flip-flop with 3-state outputs
• Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Flip-flop with 3-state outputs for digital signal storage and manipulation
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Logic Family: ACT
• Logic Type: D-Type Flip-Flop
• Number of Elements: 8
• Number of Bits per Element: 1
• Clock Edge: Positive-Edge
• Propagation Delay Time: 5.5 ns (typical)
• Operating Voltage Range: 2 V to 6 V
• Output Current: ±24 mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74ACT574MG4 has a total of 20 pins, which are assigned as follows:

1. GND (Ground)
2. D0 (Data Input 0)
3. D1 (Data Input 1)
4. D2 (Data Input 2)
5. D3 (Data Input 3)
6. D4 (Data Input 4)
7. D5 (Data Input 5)
8. D6 (Data Input 6)
9. D7 (Data Input 7)
10. OE (Output Enable)
11. CP (Clock Pulse)
12. Q0 (Flip-Flop Output 0)
13. Q1 (Flip-Flop Output 1)
14. Q2 (Flip-Flop Output 2)
15. Q3 (Flip-Flop Output 3)
16. Q4 (Flip-Flop Output 4)
17. Q5 (Flip-Flop Output 5)
18. Q6 (Flip-Flop Output 6)
19. Q7 (Flip-Flop Output 7)
20. VCC (Power Supply)

Functional Features

• High-speed operation: The CD74ACT574MG4 is designed for high-speed digital logic applications, allowing for quick data storage and manipulation.
• 3-state outputs: The flip-flop outputs can be put into a high-impedance state, enabling multiple devices to share the same bus without interference.
• Positive-edge clocking: The flip-flop captures and stores the input data on the rising edge of the clock signal.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing.
• 3-state outputs enable bus sharing and reduce signal interference.
• Compact TSSOP package saves board space.
• Wide operating voltage range provides flexibility in various applications.

Disadvantages

• Limited number of flip-flops per IC (8 in this case).
• Requires an external clock signal for proper operation.
• Not suitable for low-power applications due to relatively high power consumption.

Working Principles

The CD74ACT574MG4 is a positive-edge triggered D-type flip-flop. It stores and outputs digital data based on the clock signal. When the clock signal transitions from low to high (rising edge), the flip-flop captures the input data and stores it until the next clock cycle. The stored data is then available at the output pins. The 3-state outputs allow the flip-flop to be disabled, putting the outputs in a high-impedance state.

Detailed Application Field Plans

The CD74ACT574MG4 is commonly used in various digital systems and applications, including:

1. Microprocessors and microcontrollers
2. Data storage and retrieval systems
3. Communication equipment
4. Industrial automation and control systems
5. Test and measurement instruments
6. Automotive electronics

Detailed and Complete Alternative Models

1. SN74ACT574: Similar octal D-type flip-flop with 3-state outputs, offered by Texas Instruments.
2. MC74ACT574: Octal D-type flip-flop with 3-state outputs, provided by ON Semiconductor.
3. CD74HCT574: Octal D-type flip-flop with 3-state outputs, available from Texas Instruments.

These alternative models offer similar functionality and can be used as replacements for the CD74ACT574MG4 in various applications.

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