Encyclopedia Entry: 74ACQ574SJ

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop / Latch
• Characteristics: High-speed, low-power consumption
• Package: Surface Mount Technology (SMT)
• Essence: Sequential logic element
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: 74ACQ
• Number of Bits: 8
• Input Voltage Range: 2V to 6V
• Output Voltage Range: 0V to Vcc
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 4.5 ns (typical)
• Output Current: ±24 mA

Detailed Pin Configuration

The 74ACQ574SJ IC has a total of 20 pins, which are arranged as follows:

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

Functional Features

• The 74ACQ574SJ is an octal D-type flip-flop with a transparent latch.
• It can store and transfer data in eight separate registers.
• The IC operates at high speed and consumes low power, making it suitable for various applications.
• The transparent latch allows the input data to be latched and stored when the clock signal is active.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - Low-power consumption reduces energy requirements. - Octal configuration provides flexibility in handling multiple data inputs.

Disadvantages: - Limited output current may restrict certain applications requiring higher current capabilities. - Operating temperature range may not be suitable for extreme environments.

Working Principles

The 74ACQ574SJ works based on the principles of sequential logic. When the clock signal is active, the input data is transferred to the corresponding output registers. The transparent latch ensures that the data remains stored even after the clock signal becomes inactive. This allows for the synchronized transfer of data between different stages of a digital system.

Detailed Application Field Plans

The 74ACQ574SJ is commonly used in various digital systems and applications, including but not limited to: 1. Microprocessors and microcontrollers 2. Data storage devices 3. Communication systems 4. Industrial automation 5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ACQ574SJ include: 1. 74HC574: High-speed CMOS logic family 2. SN74LS574: Low-power Schottky TTL logic family 3. CD4013: CMOS dual D-type flip-flop

These alternative models can be considered based on specific requirements and compatibility with the existing system.

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