SN74LVTH543DBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-voltage, 3-state outputs
• Package: SSOP-20
• Essence: Bi-directional voltage level translator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Logic Family: LVTH
• Number of Channels: 8
• Input/Output Compatibility: TTL/CMOS
• Output Drive Capability: ±12mA
• Propagation Delay: 4.1ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH543DBR has a total of 20 pins, arranged as follows:

___________ | | 1 | 20 | VCC 2 | 19 | OE# 3 | 18 | A1 4 | 17 | B1 5 | 16 | GND 6 | 15 | B2 7 | 14 | A2 8 | 13 | OE# 9 | 12 | C1 10 | 11 | C2 |___________|

Functional Features

• Bi-directional voltage translation between two independent buses
• 3-state outputs allow isolation of buses when not in use
• Supports bidirectional communication between different voltage domains
• Compatible with both TTL and CMOS logic levels
• High-speed operation for efficient data transfer

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation enables fast data transfer - 3-state outputs provide flexibility in bus management - Bi-directional translation simplifies interfacing between different voltage domains

Disadvantages: - Limited output drive capability may not be suitable for high-current applications - Propagation delay may impact timing-sensitive systems

Working Principles

The SN74LVTH543DBR is a level shifter and bus transceiver IC that facilitates bi-directional voltage translation between two independent buses. It operates by receiving input signals from one bus and translating them to the appropriate voltage levels for the other bus. The device also features 3-state outputs, which allow the buses to be isolated when not in use.

Detailed Application Field Plans

The SN74LVTH543DBR finds applications in various fields where voltage level translation and bus communication are required. Some specific application areas include:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling seamless communication between them.
2. Communication Systems: It can be employed in communication systems to facilitate data exchange between devices operating at different logic levels.
3. Industrial Automation: The IC can be utilized in industrial automation systems to enable communication between sensors, actuators, and control units operating at different voltage domains.
4. Automotive Electronics: It finds application in automotive electronics for voltage level translation between different subsystems, such as engine control units and dashboard displays.

Detailed and Complete Alternative Models

1. SN74LVC245A: This IC offers similar functionality but operates at a lower voltage range of 1.65V to 3.6V.
2. SN74HCT125: This IC provides level shifting capabilities with higher output drive capability, making it suitable for applications requiring higher current handling.
3. SN74AVC4T245: This IC is a smaller package option (TSSOP-16) with 4 channels, suitable for space-constrained applications.

These alternative models offer similar functionality to the SN74LVTH543DBR but may have different specifications and packaging options to suit specific application requirements.

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