MC74LCX574DWR2G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, octal D-type flip-flop with 3.6V tolerant inputs and outputs
• Package: SOIC-20
• Essence: Logic level translation and storage
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Speed Operation: tPD = 4.5ns (typ) at VCC = 3.3V
• Inputs and Outputs are 3.6V Tolerant
• Power-Off High-Impedance Inputs and Outputs
• Overvoltage Tolerant Inputs Facilitate 5V to 3V Translation
• Latch-Up Performance Exceeds 100mA Per JESD 78, Class II

Detailed Pin Configuration

The MC74LCX574DWR2G has a total of 20 pins 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. OE - Output Enable
11. CP - Clock Pulse
12. Q0 - Flip-Flop Output 0
13. Q1 - Flip-Flop Output 1
14. Q2 - Flip-Flop Output 2
15. Q3 - Flip-Flop Output 3
16. Q4 - Flip-Flop Output 4
17. Q5 - Flip-Flop Output 5
18. Q6 - Flip-Flop Output 6
19. Q7 - Flip-Flop Output 7
20. VCC - Power Supply

Functional Features

• High-speed operation allows for quick data transfer and processing.
• Low-voltage capability enables compatibility with modern electronic systems.
• 3.6V tolerant inputs and outputs ensure seamless integration with different voltage levels.
• Power-off high-impedance inputs and outputs prevent interference when the IC is not powered.
• Overvoltage tolerant inputs facilitate translation between 5V and 3V systems.
• Latch-up performance exceeds industry standards, ensuring reliable operation.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - Low-voltage capability ensures compatibility with a wide range of systems. - Overvoltage tolerance simplifies voltage level translation. - Power-off high-impedance inputs and outputs prevent interference.

Disadvantages: - Limited to octal D-type flip-flop functionality. - May not be suitable for applications requiring more complex logic operations.

Working Principles

The MC74LCX574DWR2G operates as an octal D-type flip-flop. It stores and transfers data based on clock pulses received at the CP pin. The data inputs (D0-D7) are latched and stored in the flip-flops when a rising edge is detected at the CP pin. The stored data can then be accessed from the corresponding flip-flop outputs (Q0-Q7). The output enable (OE) pin controls the state of the outputs, allowing them to be enabled or disabled as needed.

Detailed Application Field Plans

The MC74LCX574DWR2G is commonly used in various digital systems that require logic level translation and storage. Some specific application fields include:

1. Microcontrollers: The IC can be used to interface microcontrollers operating at different voltage levels, ensuring seamless communication between them.
2. Communication Systems: It facilitates voltage level translation in communication systems, allowing for compatibility between different devices and protocols.
3. Data Acquisition Systems: The IC can be utilized in data acquisition systems to store and process incoming data from various sensors and sources.
4. Industrial Automation: It finds applications in industrial automation systems where logic level translation is required between different control units.

Detailed and Complete Alternative Models

1. SN74LVC574A: Octal D-type flip-flop with 3.6V tolerant inputs and outputs, available in various package options.
2. CD74HC574: High-speed CMOS octal D-type flip-flop with 5V tolerant inputs and outputs, suitable for 5V systems.
3. 74HCT574: Octal D-type flip-flop with 5V tolerant inputs and outputs, compatible with TTL logic levels.

These alternative models offer similar functionality and can be considered based on specific requirements and system constraints.

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