MC74AC574N

Overview

Category: Integrated Circuit (IC)

Use: The MC74AC574N is a flip-flop integrated circuit that is commonly used in digital electronics applications. It is specifically designed for high-speed data storage and transfer.

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - Schmitt trigger inputs for noise immunity - Output drive capability: 24 mA at 5V - Compatible with TTL levels

Package: The MC74AC574N is available in a 20-pin plastic dual in-line package (PDIP). This package provides protection and easy handling of the integrated circuit.

Essence: The essence of the MC74AC574N lies in its ability to store and transfer digital data efficiently and reliably. It is widely used in various electronic devices and systems where sequential data processing is required.

Packaging/Quantity: The MC74AC574N is typically sold in reels or tubes, containing multiple units per package. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Propagation Delay: 7 ns (typical)
• Output Current: 24 mA

Pin Configuration

The MC74AC574N has a total of 20 pins, which are assigned specific functions as follows:

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

Functional Features

The MC74AC574N offers the following functional features:

• Data Storage: The flip-flop design allows the IC to store data at the inputs and retain it until a clock pulse is received.
• Data Transfer: Upon receiving a clock pulse, the stored data is transferred to the corresponding output pins.
• Output Enable Control: The OE pin enables or disables the outputs, providing flexibility in controlling the data flow.
• Schmitt Trigger Inputs: The Schmitt trigger inputs ensure reliable operation by providing noise immunity and hysteresis.

Advantages and Disadvantages

Advantages: - High-speed operation makes it suitable for time-critical applications. - Low power consumption helps conserve energy in battery-powered devices. - Wide operating voltage range allows compatibility with various systems. - Schmitt trigger inputs provide noise immunity, ensuring reliable data storage and transfer.

Disadvantages: - Limited number of output pins may restrict its use in complex systems requiring more outputs. - Propagation delay of 7 ns may be relatively high for certain high-frequency applications.

Working Principles

The MC74AC574N operates based on the principles of flip-flops and sequential logic. When a clock pulse is received, the input data is latched and stored within the flip-flops. The stored data is then transferred to the output pins, which can be enabled or disabled using the OE pin. This allows for controlled and synchronized data storage and transfer.

Detailed Application Field Plans

The MC74AC574N finds applications in various fields, including:

1. Digital Communication Systems: It is used in data transmission and reception circuits, ensuring accurate and synchronized data transfer.
2. Microcontrollers and Microprocessors: The IC facilitates data storage and transfer within these systems, enabling efficient processing of sequential instructions.
3. Memory Modules: It is employed in memory modules to store and retrieve data, ensuring reliable operation and high-speed access.

Detailed and Complete Alternative Models

1. SN74AC574: This is a functionally equivalent alternative from Texas Instruments, offering similar specifications and pin configuration.
2. CD74AC574: Manufactured by Texas Instruments, this alternative provides comparable performance and compatibility with the MC74AC574N.
3. 74HC574: This alternative from NXP Semiconductors offers similar functionality and pin compatibility, making it a suitable replacement.

These alternative models can be considered based on availability