MC74LCX574MELG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-voltage, octal D-type flip-flop with 3.6V tolerant inputs and outputs
• Package: SOIC-20
• Essence: This IC is designed to shift logic levels between different voltage domains, allowing seamless communication between devices operating at different voltage levels.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 2.3V to 3.6V
• Input Voltage: -0.5V to VCC + 0.5V
• Output Voltage: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4.5ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The MC74LCX574MELG 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. MR (Master Reset)
13. Q0 (Flip-Flop Output 0)
14. Q1 (Flip-Flop Output 1)
15. Q2 (Flip-Flop Output 2)
16. Q3 (Flip-Flop Output 3)
17. Q4 (Flip-Flop Output 4)
18. Q5 (Flip-Flop Output 5)
19. Q6 (Flip-Flop Output 6)
20. VCC (Supply Voltage)

Functional Features

• High-speed operation: The MC74LCX574MELG is designed to operate at high speeds, making it suitable for applications requiring fast data transfer.
• Low-voltage compatibility: It can interface between different voltage domains, allowing seamless communication between devices operating at different voltage levels.
• Octal D-type flip-flop: The IC consists of eight individual D-type flip-flops, providing a convenient solution for storing and transferring digital data.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - Low-voltage compatibility allows for easy integration with devices operating at different voltage levels. - Octal configuration provides flexibility in handling multiple data inputs and outputs.

Disadvantages: - Limited output drive capability may not be suitable for applications requiring higher current sourcing/sinking capabilities. - The SOIC-20 package may not be ideal for space-constrained designs.

Working Principles

The MC74LCX574MELG operates based on the principles of digital logic. It uses D-type flip-flops to store and transfer digital data. The input data is latched into the flip-flops on the rising edge of the clock pulse. The stored data can then be accessed from the flip-flop outputs. The output enable pin allows for enabling or disabling the outputs as needed.

Detailed Application Field Plans

The MC74LCX574MELG finds applications in various fields, including:

1. Microcontroller interfacing: It can be used to interface microcontrollers operating at different voltage levels.
2. Communication systems: It facilitates level shifting between different components in communication systems, ensuring compatibility.
3. Data storage and transfer: The IC can be utilized in applications requiring data storage and transfer between different voltage domains.

Detailed and Complete Alternative Models

1. SN74LVC574A: Similar octal D-type flip-flop with 3.6V tolerant inputs and outputs, available in TSSOP-20 package.
2. CD74HC574: Octal D-type flip-flop with high-speed operation, available in PDIP-20 package.
3. 74HCT574: Octal D-type flip-flop with 5V tolerant inputs and outputs, available in SOIC-20 package.

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

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