MC74LCX574DWR2

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-voltage, octal D-type flip-flop with 3-state outputs
• Package: SOIC-20
• Essence: The MC74LCX574DWR2 is a versatile logic level shifter that can be used to interface between devices operating at different voltage levels.
• Packaging/Quantity: The MC74LCX574DWR2 is typically sold in reels of 2500 units.

Specifications

• Supply Voltage: 1.65V to 5.5V
• Logic Family: LCX
• Number of Flip-Flops: 8
• Output Type: 3-state
• Propagation Delay: 4.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LCX574DWR2 has a total of 20 pins. Here is the detailed pin configuration:

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

• Logic level shifting: The MC74LCX574DWR2 allows for seamless interfacing between devices operating at different voltage levels.
• High-speed operation: With a propagation delay of only 4.5ns, this IC ensures fast data transfer.
• 3-state outputs: The 3-state outputs provide flexibility in controlling the flow of data.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High-speed operation enables quick data processing. - 3-state outputs offer flexibility in data transmission.

Disadvantages: - Limited number of flip-flops (8) may not be sufficient for complex applications. - The SOIC-20 package may require additional space on the PCB.

Working Principles

The MC74LCX574DWR2 operates by receiving input data through the D0 to D7 pins. The clock pulse (CP) triggers the flip-flops to latch the input data. The master reset (MR) pin can be used to clear all the flip-flops simultaneously. The output enable (OE) pin controls the 3-state outputs, allowing them to be either active or high impedance.

Detailed Application Field Plans

The MC74LCX574DWR2 is commonly used in various applications, including:

1. Microcontroller interfacing: It facilitates communication between microcontrollers operating at different voltage levels.
2. Data transmission systems: It ensures smooth data transfer between devices with varying voltage requirements.
3. Industrial automation: It plays a crucial role in connecting different components of automated systems that operate at different voltages.

Detailed and Complete Alternative Models

1. SN74LVC574ADWR: This IC offers similar functionality and pin configuration to the MC74LCX574DWR2.
2. 74HC574N: Another alternative with comparable features, suitable for logic level shifting applications.

These alternative models can be considered based on specific project requirements and availability.

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