SN74LVC541APWG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Low Voltage, High-Speed, Octal Buffer/Driver with 3-State Outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC is designed to shift logic level signals from one voltage level to another, making it suitable for interfacing between different logic families or voltage domains.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 80 MHz
• Number of Channels: 8
• Output Drive Capability: ±24 mA
• Propagation Delay: 2.9 ns (typical)

Detailed Pin Configuration

The SN74LVC541APWG4 has a total of 20 pins, which are assigned 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. GND - Ground
7. A3 - Data input/output pin 3
8. Y3 - Data output pin 3
9. A4 - Data input/output pin 4
10. Y4 - Data output pin 4
11. VCC - Positive power supply
12. A5 - Data input/output pin 5
13. Y5 - Data output pin 5
14. A6 - Data input/output pin 6
15. Y6 - Data output pin 6
16. A7 - Data input/output pin 7
17. Y7 - Data output pin 7
18. A8 - Data input/output pin 8
19. Y8 - Data output pin 8
20. GND - Ground

Functional Features

• Octal buffer/driver with 3-state outputs
• Supports bidirectional data flow
• Provides voltage level shifting between different logic families or voltage domains
• Allows multiple devices to be connected together without bus contention issues
• Low power consumption
• High-speed operation

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation enables efficient data transfer - 3-state outputs provide flexibility in controlling the data flow - Low power consumption helps in reducing overall system energy requirements

Disadvantages: - Limited output drive capability may not be suitable for driving heavy loads - Propagation delay can affect timing-sensitive applications

Working Principles

The SN74LVC541APWG4 is a logic level shifter that operates by receiving input signals at one voltage level and translating them to another voltage level. It utilizes a combination of MOSFETs and CMOS technology to achieve this functionality. The device has 8 input/output channels, each capable of bidirectional data flow.

When the output enable (OE) pin is low, the device is enabled, and the input signals are passed through to the corresponding output pins. When OE is high, the outputs are in a high-impedance state, effectively disconnecting them from the rest of the circuit.

Detailed Application Field Plans

The SN74LVC541APWG4 can be used in various applications where logic level shifting is required. Some potential application fields include:

1. Microcontroller interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, allowing seamless communication between them.
2. Mixed logic systems: It can be employed in systems that combine different logic families, such as TTL and CMOS, ensuring proper signal translation between them.
3. Voltage domain translation: The device enables communication between circuits operating at different voltage domains, preventing damage to sensitive components.

Detailed and Complete Alternative Models

1. SN74LVC245APW - Octal Bus Transceiver with 3-State Outputs
2. SN74LVC573APW - Octal D-Type Flip-Flop with 3-State Outputs
3. SN74LVC541ADGVR - Low-Voltage Octal Buffer/Driver with 3-State Outputs

These alternative models offer similar functionality to the SN74LVC541APWG4 and can be considered as replacements based on specific requirements.

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