MM74HC541WM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-Speed, Octal Buffer/Line Driver with 3-State Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The MM74HC541WM is a versatile logic level shifter that can be used to interface between different voltage levels in digital circuits.
• Packaging/Quantity: The MM74HC541WM is available in a surface mount package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage: 2V - 6V
• Input Voltage: 0V - Vcc
• Output Voltage: 0V - Vcc
• Operating Temperature: -40°C to +85°C
• Propagation Delay: 9 ns (typical)
• Output Current: ±25 mA

Pin Configuration

The MM74HC541WM has a total of 20 pins. The pin configuration is as follows:

1. GND (Ground)
2. A1 (Input A1)
3. Y1 (Output Y1)
4. A2 (Input A2)
5. Y2 (Output Y2)
6. A3 (Input A3)
7. Y3 (Output Y3)
8. A4 (Input A4)
9. Y4 (Output Y4)
10. A5 (Input A5)
11. Y5 (Output Y5)
12. A6 (Input A6)
13. Y6 (Output Y6)
14. A7 (Input A7)
15. Y7 (Output Y7)
16. A8 (Input A8)
17. Y8 (Output Y8)
18. OE (Output Enable)
19. Vcc (Supply Voltage)
20. GND (Ground)

Functional Features

• The MM74HC541WM is designed to provide high-speed logic level shifting capabilities.
• It can be used as a buffer or line driver to amplify and shift digital signals between different voltage levels.
• The 3-state outputs allow for easy control of the output state, enabling bus sharing and reducing power consumption.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient signal transmission.
• Versatile usage in various digital circuits due to its logic level shifting capabilities.
• 3-state outputs enable bus sharing and reduce power consumption.

Disadvantages

• Limited supply voltage range (2V - 6V).
• May require additional components for proper voltage level shifting in complex circuits.

Working Principles

The MM74HC541WM operates by receiving input signals on the A1-A8 pins and amplifying and shifting them to the corresponding Y1-Y8 output pins. The OE (Output Enable) pin controls the output state, allowing for three possible states: high impedance, logic high, or logic low. This enables the MM74HC541WM to interface with other devices and share a common bus.

Detailed Application Field Plans

The MM74HC541WM finds applications in various fields where logic level shifting is required. Some examples include:

1. Microcontroller interfacing with different voltage peripherals.
2. Communication systems involving multiple voltage domains.
3. Data acquisition systems with mixed voltage sensors.
4. Industrial automation and control systems.

Detailed and Complete Alternative Models

1. SN74HC541N: Similar octal buffer/line driver IC from Texas Instruments.
2. CD74HC541E: Octal buffer/line driver IC from Texas Instruments.
3. 74HCT541: Octal buffer/line driver IC with TTL compatibility.

These alternative models offer similar functionality and can be used as substitutes for the MM74HC541WM in various applications.

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