74LCX574SJ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Low Voltage, High-Speed, Octal D-Type Flip-Flop
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: Sequential Logic Device
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: LCX
• Number of Flip-Flops: 8
• Input Voltage: 2.3V to 3.6V
• Output Voltage: 0V to Vcc
• Propagation Delay: 3.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LCX574SJ has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Octal D-Type Flip-Flop with 3-State Outputs
• Non-Inverting Outputs
• High-Speed Operation
• Low Voltage Operation
• Power-Off Protection
• Balanced Propagation Delays
• Overvoltage Tolerant Inputs and Outputs

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing.
• Low voltage operation reduces power consumption.
• Power-off protection ensures data integrity during power fluctuations.
• Overvoltage tolerant inputs and outputs provide robustness against electrical spikes.

Disadvantages

• Limited number of flip-flops (8) may not be sufficient for complex applications requiring more storage elements.
• The small outline package may pose challenges in terms of heat dissipation for high-power applications.

Working Principles

The 74LCX574SJ is a sequential logic device that stores and transfers data using flip-flops. It operates based on the clock input (CP) and can be reset using the master reset input (MR). The input data (D0-D7) is latched and stored in the flip-flops, which can then be read from the output pins (Q0-Q7). The output enable input (OE) controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The 74LCX574SJ is commonly used in various digital systems and applications, including:

1. Microprocessors and microcontrollers
2. Data storage systems
3. Communication equipment
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the 74LCX574SJ include:

1. SN74LV574A: Low-Voltage Octal D-Type Flip-Flop
2. MC74LCX574: Low-Voltage CMOS Octal D-Type Flip-Flop
3. CD74HC574: High-Speed CMOS Octal D-Type Flip-Flop

These alternative models offer similar functionality and can be used as replacements depending on specific requirements.

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