Encyclopedia Entry: 74ACQ574PC

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and transfer
• Characteristics: High-speed, octal D-type flip-flop with 3-state outputs
• Package: Plastic dual in-line package (PDIP)
• Essence: Reliable and efficient data storage and transfer solution
• Packaging/Quantity: Available in tubes or reels, quantity varies based on supplier

Specifications

• Technology: Advanced CMOS logic
• Operating Voltage: 2.0V to 6.0V
• Input/Output Compatibility: TTL, LVTTL, and LVCMOS
• Propagation Delay: 4.5 ns (typical)
• Output Drive Capability: ±24 mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ACQ574PC IC has a total of 20 pins, which are assigned as follows:

1. Pin 1: Output Enable (OE)
2. Pin 2: Data Input (D0)
3. Pin 3: Data Input (D1)
4. Pin 4: Data Input (D2)
5. Pin 5: Data Input (D3)
6. Pin 6: Data Input (D4)
7. Pin 7: Data Input (D5)
8. Pin 8: Data Input (D6)
9. Pin 9: Data Input (D7)
10. Pin 10: Ground (GND)
11. Pin 11: Clock Input (CLK)
12. Pin 12: Master Reset (MR)
13. Pin 13: Data Output (Q0)
14. Pin 14: Data Output (Q1)
15. Pin 15: Data Output (Q2)
16. Pin 16: Data Output (Q3)
17. Pin 17: Data Output (Q4)
18. Pin 18: Data Output (Q5)
19. Pin 19: Data Output (Q6)
20. Pin 20: Data Output (Q7)

Functional Features

• Octal D-type flip-flop with 3-state outputs for efficient data storage and transfer.
• High-speed operation allows for quick data processing.
• Output enable pin (OE) enables or disables the outputs, providing flexibility in controlling data flow.
• Master reset pin (MR) resets all flip-flops to a known state when activated.

Advantages and Disadvantages

Advantages: - High-speed operation enhances overall system performance. - 3-state outputs allow for easy bus sharing and interfacing with other devices. - Wide operating voltage range provides compatibility with various systems. - Reliable and durable design ensures long-term functionality.

Disadvantages: - Limited output drive capability may restrict usage in certain applications. - Propagation delay may introduce timing issues in highly time-sensitive systems.

Working Principles

The 74ACQ574PC operates based on the principles of D-type flip-flops. It stores and transfers data using positive-edge-triggered clock inputs. The master reset pin allows for resetting all flip-flops simultaneously. The output enable pin controls the output state, enabling or disabling the data flow.

Detailed Application Field Plans

The 74ACQ574PC is commonly used in various applications, including: 1. Microprocessor-based systems 2. Data communication systems 3. Industrial automation 4. Instrumentation and measurement equipment 5. Consumer electronics

Alternative Models

For similar functionality, the following alternative models can be considered: 1. 74HC574: High-speed CMOS logic octal D-type flip-flop with 3-state outputs. 2. 74LS574: Low-power Schottky TTL octal D-type flip-flop with 3-state outputs. 3. SN74LV574A: Low-voltage CMOS octal D-type flip-flop with 3-state outputs.

These alternative models offer similar features and can be used as substitutes based on specific requirements.

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