SN74LV541ATPWT

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 from one voltage level to another, making it suitable for interfacing between different logic families.
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2.3V to VCC
• Low-Level Input Voltage: GND 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 Time: 6.7ns (max) at 3.3V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LV541ATPWT has a total of 20 pins, which are assigned as follows:

• Pin 1: Output Enable (OE)
• Pins 2-9: Data Inputs (D0-D7)
• Pins 10-17: Data Outputs (Q0-Q7)
• Pin 18: Ground (GND)
• Pin 19: Supply Voltage (VCC)
• Pin 20: Output Enable (OE)

Functional Features

• Logic Level Shifting: The SN74LV541ATPWT can shift logic levels from a lower voltage to a higher voltage or vice versa, allowing compatibility between different logic families.
• 3-State Outputs: The IC has 3-state outputs, which means that the outputs can be in a high-impedance state when not actively driving the bus.
• High-Speed Operation: With a maximum operating frequency of 100MHz, this IC is capable of handling high-speed data transmission.
• Output Drive Capability: The SN74LV541ATPWT can drive up to ±24mA of current, making it suitable for driving capacitive loads.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - 3-state outputs provide flexibility in bus sharing applications. - High-speed operation enables efficient data transfer. - Output drive capability supports driving capacitive loads.

Disadvantages: - Limited number of channels (8) may not be sufficient for certain applications requiring more inputs/outputs. - Propagation delay time may affect timing-sensitive applications.

Working Principles

The SN74LV541ATPWT operates by receiving input signals on the data inputs (D0-D7) and shifting their logic levels based on the supply voltage. The output enable (OE) pin controls the state of the outputs (Q0-Q7). When OE is low, the outputs are active and reflect the input data. When OE is high, the outputs enter a high-impedance state, effectively disconnecting them from the bus.

Detailed Application Field Plans

The SN74LV541ATPWT is commonly used in various applications, including:

1. Microcontroller Interfacing: It facilitates communication between microcontrollers operating at different voltage levels.
2. Level Translation: It enables interfacing between different logic families, such as TTL and CMOS.
3. Bus Sharing: It allows multiple devices to share a common bus while avoiding conflicts.
4. Data Transmission: It can be used in data transmission systems where logic level shifting is required.

Detailed and Complete Alternative Models

1. SN74LV245A: Octal Bus Transceiver with 3-State Outputs
2. SN74LVC4245A: Octal Bus Transceiver with 3-State Outputs
3. SN74LVC541A: Octal Buffer/Driver with 3-State Outputs
4. SN74LVC573A: Octal Transparent D-Type Latch with 3-State Outputs
5. SN74LVC652A: Octal Bus Transceiver and Register with 3-State Outputs

These alternative models offer similar functionality to the SN74LV541ATPWT and can be considered as alternatives based on specific requirements.

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