TC74HC574APF

Product Overview

• Category: Integrated Circuit
• Use: Flip-Flop / Latch
• Characteristics: High-Speed, Octal D-Type Flip-Flop with 3-State Outputs
• Package: 20-pin Plastic TSSOP (Thin Shrink Small Outline Package)
• Essence: The TC74HC574APF is a high-speed octal D-type flip-flop with 3-state outputs. It is designed for general-purpose storage applications in digital systems.
• Packaging/Quantity: Available in reels of 2,000 pieces

Specifications

• Supply Voltage Range: 2V to 6V
• High-Speed Operation: 25 MHz (Typ.)
• Output Drive Capability: 10 LSTTL Loads
• Low Power Consumption: 80 μA (Max) at 5V
• Schmitt Trigger Action on All Inputs
• Input Capacitance: 3 pF (Typ.)
• Power-Down Protection Provided on Inputs and Outputs
• Pin-Compatible with Other Standard Logic Families

Detailed Pin Configuration

The TC74HC574APF has a total of 20 pins. Here is the detailed pin configuration:

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

Functional Features

• Octal D-Type Flip-Flop: The TC74HC574APF consists of eight D-type flip-flops with 3-state outputs.
• High-Speed Operation: It operates at a high speed of up to 25 MHz, making it suitable for applications requiring fast data storage and retrieval.
• Schmitt Trigger Action: All inputs have Schmitt trigger action, providing improved noise immunity and allowing reliable operation in noisy environments.
• Power-Down Protection: The inputs and outputs are protected against power-down conditions, ensuring data integrity during power fluctuations.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data processing. - Schmitt trigger action on inputs enhances noise immunity. - Power-down protection ensures data integrity during power fluctuations.

Disadvantages: - Limited output drive capability compared to some other ICs. - Requires an external clock pulse input for proper operation.

Working Principles

The TC74HC574APF operates based on the principles of flip-flops and latch circuits. It stores and retains digital data using eight D-type flip-flops. The clock pulse input (CP) controls the timing of data storage, while the output enable (OE) pin enables or disables the outputs. The master reset (MR) input resets all flip-flops to a known state when activated.

Detailed Application Field Plans

The TC74HC574APF is commonly used in various digital systems and applications, including:

1. Microcontrollers: Used for storing and retrieving data from peripheral devices.
2. Data Storage Systems: Enables efficient data storage and retrieval operations.
3. Communication Systems: Facilitates data buffering and synchronization.
4. Industrial Automation: Used in control systems for storing and processing sensor data.
5. Automotive Electronics: Enables data storage and manipulation in automotive applications.

Detailed and Complete Alternative Models

1. SN74HC574N: Similar octal D-type flip-flop with 3-state outputs, offered by Texas Instruments.
2. CD74HC574E: Octal D-type flip-flop with 3-state outputs, provided by Texas Instruments.
3. MC74HC574AN: High-speed octal D-type flip-flop with 3-state outputs, available from ON Semiconductor.

These alternative models offer similar functionality and can be used as replacements for the TC74HC574APF in various applications.

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