Encyclopedia Entry: 74AHCT574D,112

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Component
• Characteristics: High-Speed Octal D-Type Flip-Flop with 3-State Outputs
• Package: SOIC-20
• Essence: The 74AHCT574D,112 is a versatile integrated circuit that provides eight D-type flip-flops with 3-state outputs. It is designed to store and transfer data in digital systems.

Specifications

• Supply Voltage: 2.0V to 5.5V
• Logic Family: AHCT
• Number of Flip-Flops: 8
• Output Type: 3-State
• Propagation Delay: 9 ns (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 74AHCT574D,112 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. MR (Master Reset)
13. Q0 (Flip-Flop Output 0)
14. Q1 (Flip-Flop Output 1)
15. Q2 (Flip-Flop Output 2)
16. Q3 (Flip-Flop Output 3)
17. Q4 (Flip-Flop Output 4)
18. Q5 (Flip-Flop Output 5)
19. Q6 (Flip-Flop Output 6)
20. VCC (Supply Voltage)

Functional Features

• The 74AHCT574D,112 operates as a positive-edge triggered D-type flip-flop.
• It has 3-state outputs that allow multiple devices to share a common bus without interference.
• The device features a master reset input (MR) for clearing all flip-flops simultaneously.
• An output enable input (OE) controls the state of the outputs.
• The chip is designed to operate at high speeds with low power consumption.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer in digital systems. - 3-state outputs enable bus sharing and reduce system complexity. - Wide operating voltage range provides flexibility in various applications. - Low power consumption enhances energy efficiency.

Disadvantages: - Limited number of flip-flops may restrict its use in larger-scale applications. - Propagation delay may affect timing-sensitive operations in certain scenarios.

Working Principles

The 74AHCT574D,112 functions by storing and transferring data using D-type flip-flops. When a clock pulse (CP) is received, the input data (D0-D7) is latched and stored in the corresponding flip-flops. The stored data can then be accessed through the output pins (Q0-Q6) when the output enable (OE) signal is active. The master reset (MR) input allows for simultaneous clearing of all flip-flops.

Detailed Application Field Plans

The 74AHCT574D,112 finds applications in various digital systems, including but not limited to: 1. Microcontrollers and microprocessors 2. Data storage and retrieval systems 3. Communication equipment 4. Industrial automation 5. Automotive electronics

Alternative Models

Other alternative models that offer similar functionality to the 74AHCT574D,112 include: - SN74HC574N - CD74HCT574E - MC74ACT574DW

These alternatives can be considered based on specific requirements and availability.

In conclusion, the 74AHCT574D,112 is a versatile integrated circuit that provides high-speed octal D-type flip-flops with 3-state outputs. Its compact package, wide operating voltage range, and various applications make it a valuable component in digital systems.