SN74LVC543APW

Product Overview

Category

SN74LVC543APW belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a bus transceiver or buffer in digital systems.

Characteristics

• Low-voltage CMOS technology
• High-speed operation
• Wide operating voltage range
• Bidirectional data flow capability
• Schmitt-trigger inputs for noise immunity

Package

SN74LVC543APW is available in a TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of SN74LVC543APW lies in its ability to facilitate bidirectional data transfer between two buses with different voltage levels.

Packaging/Quantity

SN74LVC543APW is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 3.8ns (max)
• Output Current: ±24mA

Detailed Pin Configuration

SN74LVC543APW has a total of 20 pins, which are assigned specific functions. The pin configuration is as follows:

1. OE (Output Enable) A
2. I/O A7
3. I/O A6
4. I/O A5
5. I/O A4
6. GND (Ground)
7. I/O A3
8. I/O A2
9. I/O A1
10. I/O A0
11. VCC (Supply Voltage)
12. I/O B0
13. I/O B1
14. I/O B2
15. I/O B3
16. GND (Ground)
17. I/O B4
18. I/O B5
19. I/O B6
20. I/O B7

Functional Features

• Bidirectional data transfer between two buses with different voltage levels
• Output enable control for disabling the outputs
• Schmitt-trigger inputs for improved noise immunity
• High-speed operation for efficient data transmission

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems
• Low-voltage CMOS technology reduces power consumption
• Schmitt-trigger inputs provide noise immunity, ensuring reliable data transfer
• High-speed operation enables fast data transmission

Disadvantages

• Limited output current may restrict usage in certain applications requiring higher current capabilities
• TSSOP package may be challenging to solder for inexperienced users

Working Principles

SN74LVC543APW works by receiving input data from one bus and transmitting it to another bus bidirectionally. The direction of data flow is controlled by the OE pin. When OE is low, the outputs are enabled, allowing data to pass through. Conversely, when OE is high, the outputs are disabled, preventing data transfer.

The device operates using low-voltage CMOS technology, which ensures efficient performance while consuming minimal power. The Schmitt-trigger inputs enhance noise immunity, enabling reliable data transfer even in noisy environments.

Detailed Application Field Plans

SN74LVC543APW finds applications in various digital systems where bidirectional data transfer between buses with different voltage levels is required. Some specific application fields include:

1. Microcontrollers and microprocessors
2. Communication systems
3. Data acquisition systems
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to SN74LVC543APW. Some notable alternatives include:

1. SN74LVC541A
2. SN74LVC244A
3. 74LVC245

These alternative models can be considered based on specific requirements and compatibility with the target system.

In conclusion, SN74LVC543APW is a versatile integrated circuit used for bidirectional data transfer between buses with different voltage levels. Its low-voltage CMOS technology, high-speed operation, and noise immunity features make it suitable for various digital systems. While it has certain limitations, such as limited output current and package complexity, it offers advantages in terms of wide operating voltage range and power efficiency.