SN74LV541ATNSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Low-voltage, Octal Buffer/Driver with 3-State Outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC is designed to shift logic levels between different voltage domains, allowing communication between devices operating at different voltage levels.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.4V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 100MHz
• Number of Channels: 8
• Output Drive Capability: ±24mA
• Propagation Delay: 6ns (typical)

Detailed Pin Configuration

The SN74LV541ATNSR has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Logic Level Shifting: The SN74LV541ATNSR allows for bidirectional voltage level shifting between two different voltage domains.
• 3-State Outputs: The outputs of this IC can be put into a high-impedance state, allowing multiple devices to share the same bus without interference.
• High-Speed Operation: With a maximum operating frequency of 100MHz, this IC is suitable for high-speed data transmission applications.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - 3-state outputs enable efficient bus sharing. - High-speed operation supports fast data transmission.

Disadvantages: - Limited number of channels (8) may not be sufficient for complex systems requiring more connections. - Propagation delay of 6ns may introduce timing issues in certain applications.

Working Principles

The SN74LV541ATNSR operates by receiving input signals from one voltage domain and shifting them to the desired output voltage level of another domain. It utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional level shifting. The output enable pin (OE) controls the state of the outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

The SN74LV541ATNSR is commonly used in various applications, including:

1. Microcontroller Interfacing: It enables communication between microcontrollers operating at different voltage levels.
2. Sensor Networks: It facilitates level shifting between sensors and microcontrollers in IoT (Internet of Things) applications.
3. Data Communication: It is used in data transmission systems to interface between devices with different voltage requirements.
4. Industrial Automation: It enables communication between different components of industrial automation systems, such as PLCs (Programmable Logic Controllers) and sensors.

Detailed and Complete Alternative Models

1. SN74LV244ATNSR: Octal Buffer/Driver with 3-State Outputs, similar functionality but different pin configuration.
2. SN74LVC541ATNSR: Low-Voltage CMOS Octal Buffer/Driver with 3-State Outputs, compatible with a wider supply voltage range.
3. SN74HCT541N: Octal Buffer/Driver with 3-State Outputs, operates at higher voltage levels (4.5V to 5.5V).

(Note: The above alternative models are provided for reference and may have slight differences in specifications and pin configuration. It is recommended to consult the respective datasheets for detailed information.)

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