CD74HC574E

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: High-Speed, Octal D-Type Flip-Flop with 3-State Outputs
• Package: 20-pin PDIP (Plastic Dual In-Line Package)
• Essence: The CD74HC574E is a versatile integrated circuit that provides eight D-type flip-flops with 3-state outputs. It is designed for high-speed digital logic applications.
• Packaging/Quantity: The CD74HC574E is typically sold in reels or tubes containing multiple units.

Specifications

The CD74HC574E has the following specifications:

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 14 ns (typical)
• Output Current: ±25 mA

Pin Configuration

The CD74HC574E has a 20-pin PDIP package with the following pin configuration:

1. GND (Ground)
2. Q0 (Output 0)
3. D0 (Data Input 0)
4. D1 (Data Input 1)
5. D2 (Data Input 2)
6. D3 (Data Input 3)
7. D4 (Data Input 4)
8. D5 (Data Input 5)
9. D6 (Data Input 6)
10. D7 (Data Input 7)
11. OE (Output Enable)
12. CP (Clock Pulse)
13. DS (Data Set)
14. MR (Master Reset)
15. Q7 (Output 7)
16. Q6 (Output 6)
17. Q5 (Output 5)
18. Q4 (Output 4)
19. Q3 (Output 3)
20. VCC (Supply Voltage)

Functional Features

The CD74HC574E offers the following functional features:

• Eight D-type flip-flops with 3-state outputs
• High-speed operation
• Output enable and master reset functions
• Wide supply voltage range
• Low power consumption
• Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages of the CD74HC574E include:

• Versatile and widely used in digital logic applications
• High-speed operation allows for efficient data processing
• 3-state outputs provide flexibility in connecting multiple devices

Disadvantages of the CD74HC574E include:

• Limited number of flip-flops (8) compared to other ICs
• Requires external clock pulse and control signals for proper operation

Working Principles

The CD74HC574E operates based on the principles of digital logic. It uses D-type flip-flops to store and manipulate binary data. The clock pulse signal controls the timing of data input and output operations. The output enable and master reset signals allow for control over the state of the outputs.

Detailed Application Field Plans

The CD74HC574E is commonly used in various digital systems and applications, including:

1. Microcontrollers and microprocessors
2. Data storage and retrieval systems
3. Communication systems
4. Industrial automation
5. Instrumentation and measurement equipment
6. Automotive electronics
7. Consumer electronics

Alternative Models

There are several alternative models available that offer similar functionality to the CD74HC574E. Some popular alternatives include:

1. SN74HC574N by Texas Instruments
2. MC74HC574AN by ON Semiconductor
3. 74HCT574 by NXP Semiconductors
4. CD4013BE by Texas Instruments

These alternative models may have slight differences in specifications and pin configurations, so it is important to consult the respective datasheets for detailed information.

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