MC74AC541DWR2G

Product Overview

• Category: Integrated Circuit
• Use: Logic Level Shifter
• Characteristics: High-speed, low-power, octal buffer/line driver with 3-state outputs
• Package: SOIC-20
• Essence: Logic level shifting and buffering
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• High-Level Input Voltage: 2.0V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Input Current: ±20mA
• Maximum Quiescent Supply Current: 80µA
• Maximum Output Current: ±24mA
• Propagation Delay: 7ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74AC541DWR2G has a total of 20 pins arranged as follows:

1. OE (Output Enable) - Active LOW output enable input
2. A1 - Data input/output pin 1
3. Y1 - Data output pin 1
4. A2 - Data input/output pin 2
5. Y2 - Data output pin 2
6. A3 - Data input/output pin 3
7. Y3 - Data output pin 3
8. GND - Ground
9. Y4 - Data output pin 4
10. A4 - Data input/output pin 4
11. Y5 - Data output pin 5
12. A5 - Data input/output pin 5
13. Y6 - Data output pin 6
14. A6 - Data input/output pin 6
15. Y7 - Data output pin 7
16. A7 - Data input/output pin 7
17. VCC - Positive power supply
18. A8 - Data input/output pin 8
19. Y8 - Data output pin 8
20. GND - Ground

Functional Features

• High-speed operation: The MC74AC541DWR2G is designed to operate at high speeds, making it suitable for applications that require fast data transfer.
• Low-power consumption: With a maximum quiescent supply current of only 80µA, this logic level shifter minimizes power consumption, making it ideal for battery-powered devices.
• 3-state outputs: The 3-state outputs allow the device to be effectively disconnected from the bus when not in use, preventing any interference with other devices on the same bus.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - Low-power consumption prolongs battery life in portable devices. - 3-state outputs prevent interference with other devices on the bus.

Disadvantages: - Limited voltage range (2.0V to 6.0V) may not be suitable for all applications. - Propagation delay of 7ns may introduce slight delays in time-critical applications.

Working Principles

The MC74AC541DWR2G is a logic level shifter that allows for bidirectional voltage translation between different logic levels. It operates by receiving data inputs at one voltage level and providing corresponding outputs at a different voltage level. The device utilizes internal circuitry to ensure proper voltage translation while maintaining signal integrity.

Detailed Application Field Plans

The MC74AC541DWR2G can be used in various applications, including but not limited to:

1. Microcontroller interfacing: The logic level shifter enables communication between microcontrollers operating at different voltage levels.
2. Data transmission systems: It can be used to interface between devices with different logic voltage requirements, such as UART, SPI, or I2C interfaces.
3. Industrial automation: The device is suitable for level shifting in control systems, allowing for seamless integration of components operating at different voltage levels.
4. Automotive electronics: It can be employed in automotive applications where voltage translation is required, such as in-vehicle communication networks.

Detailed and Complete Alternative Models

1. SN74AC541DW: Similar octal buffer/line driver with 3-state outputs, offered by Texas Instruments.
2. CD74AC541E: Octal buffer/line driver with 3-state outputs, provided by Texas Instruments.
3. 74ACT541SCX: Octal buffer/line driver with 3-state outputs, available from ON Semiconductor.

These alternative models offer similar functionality and can be considered as substitutes for the MC74AC541DWR2G depending on specific requirements and availability.

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