Encyclopedia Entry: 74ACTQ574SCX

Product Overview

Category

The 74ACTQ574SCX belongs to the category of integrated circuits (ICs), specifically flip-flops and latches.

Use

This product is commonly used in digital electronics for storing and transferring data. It serves as an octal D-type flip-flop with a transparent latch.

Characteristics

• High-speed operation: The 74ACTQ574SCX offers fast switching times, making it suitable for applications requiring quick data transfer.
• Low power consumption: This IC is designed to minimize power consumption, making it energy-efficient.
• Wide operating voltage range: It can operate within a wide voltage range, typically between 2V and 6V.
• Compatibility: The 74ACTQ574SCX is compatible with both TTL and CMOS logic levels.
• Robustness: It has built-in protection against electrostatic discharge (ESD) and excessive voltage spikes.

Package and Quantity

The 74ACTQ574SCX is available in a small outline integrated circuit (SOIC) package. It is commonly sold in reels or tubes containing multiple units, with quantities varying depending on the supplier.

Specifications

• Number of Flip-Flops: 8 (octal)
• Logic Family: ACTQ
• Supply Voltage Range: 2V to 6V
• Input/Output Compatibility: TTL and CMOS
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC
• Pin Count: 20

Detailed Pin Configuration

The 74ACTQ574SCX has a total of 20 pins, each serving a specific function. Here is a detailed pin configuration:

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. CLK (Clock Input)
11. OE (Output Enable)
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 (Supply Voltage)

Functional Features

The 74ACTQ574SCX offers the following functional features: - Transparent latch: The flip-flops have a transparent latch that allows data to be transferred when the clock signal is active. - Output enable control: The OE pin enables or disables the outputs, providing flexibility in controlling data flow. - Edge-triggered operation: The flip-flops are triggered by the rising edge of the clock signal, ensuring synchronized data transfer.

Advantages and Disadvantages

Advantages: - High-speed operation facilitates quick data transfer. - Low power consumption makes it energy-efficient. - Wide operating voltage range enhances compatibility with various systems. - Robustness against ESD and voltage spikes ensures reliability.

Disadvantages: - Limited number of flip-flops (8) may not suffice for applications requiring a higher count. - Availability and pricing may vary depending on the supplier.

Working Principles

The 74ACTQ574SCX operates based on the principles of flip-flops and latches. When the clock signal is active, the transparent latch allows data to pass through and be stored in the flip-flops. The output enable control determines whether the stored data is accessible at the outputs.

Detailed Application Field Plans

The 74ACTQ574SCX finds applications in various digital systems, including: - Data storage and transfer in microprocessors and microcontrollers. - Address decoding in memory systems. - State machine implementation in digital circuits. - Parallel-to-serial and serial-to-parallel data conversion.

Detailed Alternative Models

For those seeking alternatives to the 74ACTQ574SCX, the following ICs can be considered: - 74HC574: Similar octal D-type flip-flop with a transparent latch, compatible with CMOS logic levels. - 74LS574: Octal D-type flip-flop with a transparent latch, compatible with TTL logic levels. - CD4013: Dual D-type flip-flop with a transparent latch, compatible with both CMOS and TTL logic levels.

These alternative models offer similar functionality but may have different specifications and pin configurations.

In conclusion, the 74ACTQ574SCX is a versatile integrated circuit used for