CD74HC564M

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: High-speed, CMOS technology
• Package: 20-pin SOIC (Small Outline Integrated Circuit)
• Essence: Flip-Flop Register
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Voltage: 4.5V
• Low-Level Output Voltage: 0.1V
• Maximum Operating Frequency: 80MHz
• Propagation Delay Time: 15ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HC564M has a total of 20 pins, which are arranged 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. CLK (Clock Input)
11. MR (Master Reset Input)
12. Q0 (Output 0)
13. Q1 (Output 1)
14. Q2 (Output 2)
15. Q3 (Output 3)
16. Q4 (Output 4)
17. Q5 (Output 5)
18. Q6 (Output 6)
19. Q7 (Output 7)
20. VCC (Supply Voltage)

Functional Features

The CD74HC564M is a high-speed CMOS flip-flop register. It features the following:

• Eight data inputs (D0-D7) for storing information.
• Clock input (CLK) for synchronizing the data transfer.
• Master reset input (MR) for clearing the register.
• Eight output pins (Q0-Q7) for retrieving stored data.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data processing. - CMOS technology provides low power consumption. - Compact 20-pin SOIC package saves board space. - Wide operating voltage range enhances versatility.

Disadvantages: - Limited number of data inputs and outputs. - Propagation delay may affect real-time applications. - Sensitivity to electrostatic discharge (ESD) requires proper handling.

Working Principles

The CD74HC564M operates based on the principles of flip-flops and registers. When the clock input receives a rising edge, the data from the eight input pins is transferred and stored in the corresponding flip-flops. The stored data can then be accessed through the output pins. The master reset input clears the register, setting all outputs to a predefined state.

Detailed Application Field Plans

The CD74HC564M finds applications in various fields, including:

1. Digital Communication Systems: Used for data storage and retrieval in communication protocols.
2. Microcontroller Interfacing: Enables interfacing between microcontrollers and external devices.
3. Data Processing Units: Utilized in arithmetic and logic units for temporary data storage.
4. Industrial Automation: Facilitates control and monitoring systems in industrial processes.
5. Automotive Electronics: Supports data handling in automotive control modules.

Detailed and Complete Alternative Models

1. SN74HC564N: Similar functionality, but available in a DIP (Dual Inline Package) format.
2. CD74HCT564M: Compatible with TTL (Transistor-Transistor Logic) inputs and outputs.
3. MC74HC564DW: Offers increased operating temperature range (-55°C to +125°C).

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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