74LCX541FT(AJ)

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Low Voltage, High-Speed CMOS Technology
• Package: TSSOP-20
• Essence: Bidirectional Octal Buffer/Line Driver with 5V Tolerant Inputs and Outputs
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.3V to 3.6V
• High-Level Input Voltage: 2.0V (Minimum), 3.6V (Maximum)
• Low-Level Input Voltage: -0.3V (Minimum), 0.8V (Maximum)
• High-Level Output Voltage: 2.4V (Minimum), VCC (Maximum)
• Low-Level Output Voltage: 0V (Minimum), 0.4V (Maximum)
• Maximum Input Current: ±10mA
• Maximum Output Current: ±24mA
• Propagation Delay Time: 3.7ns (Maximum)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LCX541FT(AJ) 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. GND (Ground)
5. Y2 (Output) 2
6. A2 (Input) 2
7. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. B1 (Input) 1
10. Y3 (Output) 3
11. A3 (Input) 3
12. B2 (Input) 2
13. Y4 (Output) 4
14. OE (Output Enable) 3
15. B3 (Input) 3
16. GND (Ground)
17. Y5 (Output) 5
18. A4 (Input) 4
19. OE (Output Enable) 4
20. Y6 (Output) 6

Functional Features

• Bidirectional buffer/line driver with 8 channels
• 5V tolerant inputs and outputs allow direct interfacing with both 3.3V and 5V systems
• Output enable (OE) pins for each channel to control the direction of data flow
• High-speed operation with low power consumption
• Compatible with TTL, LVTTL, and LVCMOS logic levels
• Provides voltage translation between different logic levels

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - 5V tolerance simplifies interfacing with different logic levels - Fast propagation delay time enables high-speed data transmission - Low power consumption reduces energy requirements - Compact TSSOP package saves board space

Disadvantages: - Limited number of channels (8) - Not suitable for applications requiring higher voltage levels

Working Principles

The 74LCX541FT(AJ) is designed using low voltage, high-speed CMOS technology. It acts as a bidirectional buffer/line driver, allowing data to be transmitted in both directions. The device features 5V tolerant inputs and outputs, enabling seamless integration with systems operating at different logic levels.

The output enable (OE) pins control the direction of data flow. When the OE pin is low, the device is enabled, and data can pass through from the input to the output. Conversely, when the OE pin is high, the device is disabled, and the output is in a high-impedance state.

The IC operates within a wide supply voltage range of 2.3V to 3.6V, making it compatible with various systems. It provides voltage translation between different logic levels, allowing seamless communication between devices operating at different voltages.

Detailed Application Field Plans

The 74LCX541FT(AJ) finds applications in various fields where logic level shifting is required. Some potential application areas include:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers operating at different logic levels, enabling communication between them.
2. Communication Systems: It can be employed in communication systems to convert logic levels between different components, ensuring compatibility and reliable data transmission.
3. Industrial Automation: The device can facilitate the exchange of signals between different industrial automation modules that operate at varying voltage levels.
4. Consumer Electronics: It can be utilized in consumer electronic devices to enable communication between components operating at different logic levels, such as sensors, displays, and microcontrollers.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LCX541FT(AJ) are:

1. SN74