Encyclopedia Entry: 74VHCT541D,118

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-Speed, Low-Power, Octal Buffer/Line Driver
• Package: SOIC-20
• Essence: Voltage Level Translation
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 2.0V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay Time: 4.3ns (typical)
• Output Current: ±6mA
• Input Capacitance: 3pF (typical)

Detailed Pin Configuration

The 74VHCT541D,118 IC has a total of 20 pins arranged as follows:

__ __ A1 |1 `--' 20| VCC B1 |2 19| OE# A2 |3 18| I/O1 B2 |4 17| I/O2 A3 |5 16| I/O3 B3 |6 15| I/O4 A4 |7 14| GND B4 |8 13| I/O5 A5 |9 12| I/O6 B5 |10 11| I/O7 ``````````

Functional Features

• Octal buffer/line driver with 3-state outputs
• Provides voltage level translation between different logic families
• High-speed operation with low power consumption
• Compatible with TTL, CMOS, and LVTTL logic families
• 3-state outputs allow multiple devices to share a common bus

Advantages

• Wide supply voltage range allows compatibility with various systems
• Fast propagation delay time enables high-speed data transmission
• Low power consumption reduces energy requirements
• 3-state outputs provide flexibility in bus sharing applications
• Compact SOIC-20 package offers space-saving integration

Disadvantages

• Limited output current may restrict use in certain high-current applications
• Input capacitance can affect signal integrity in high-frequency circuits
• Not suitable for voltage level shifting between different voltage domains

Working Principles

The 74VHCT541D,118 is designed as an octal buffer/line driver. It operates by receiving input signals and amplifying them to drive corresponding output lines. The device utilizes a 3-state output configuration, allowing the outputs to be actively driven or placed in a high-impedance state (Z-state). This feature enables multiple devices to share a common bus without interfering with each other.

Detailed Application Field Plans

The 74VHCT541D,118 is commonly used in various digital systems that require voltage level translation. Some typical application fields include: 1. Microcontroller interfacing with different logic families 2. Data communication systems 3. Industrial automation and control systems 4. Automotive electronics 5. Consumer electronics

Detailed Alternative Models

1. SN74LVC541A: Octal Buffer/Line Driver with 3-State Outputs
2. MC74VHC541: Octal Buffer/Line Driver, Non-Inverting
3. CD74HCT541: High-Speed CMOS Logic Octal Buffer/Line Driver

These alternative models offer similar functionality and can be considered as substitutes for the 74VHCT541D,118 in various applications.

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