SN74LVC8T245PWE4

Product Overview

Category

The SN74LVC8T245PWE4 belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus transceivers.

Use

This IC is primarily used for bidirectional level shifting and voltage translation between different logic levels in digital systems. It enables seamless communication between devices operating at different voltage levels.

Characteristics

• Bidirectional voltage translation
• Supports multiple logic families
• Low power consumption
• High-speed operation
• Wide operating voltage range
• ESD protection
• RoHS compliant

Package

The SN74LVC8T245PWE4 is available in a TSSOP-20 package, which stands for Thin Shrink Small Outline Package. This package offers a compact size and facilitates easy integration into circuit boards.

Essence

The essence of the SN74LVC8T245PWE4 lies in its ability to provide efficient and reliable voltage translation, ensuring seamless data transfer between devices operating at different logic levels.

Packaging/Quantity

The SN74LVC8T245PWE4 is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications and customer requirements.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Logic Voltage Levels: 1.2V to 3.6V
• Maximum Data Rate: 100 Mbps
• Number of Channels: 8
• Input/Output Type: Tri-State
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVC8T245PWE4 has a total of 20 pins, which are assigned specific functions as follows:

1. OE (Output Enable) 1
2. A1 (Data Input/Output) 1
3. B1 (Data Input/Output) 1
4. GND (Ground)
5. B2 (Data Input/Output) 2
6. A2 (Data Input/Output) 2
7. VCC (Supply Voltage)
8. DIR (Direction Control)
9. OE (Output Enable) 2
10. B3 (Data Input/Output) 3
11. A3 (Data Input/Output) 3
12. B4 (Data Input/Output) 4
13. A4 (Data Input/Output) 4
14. VREF (Voltage Reference)
15. B5 (Data Input/Output) 5
16. A5 (Data Input/Output) 5
17. B6 (Data Input/Output) 6
18. A6 (Data Input/Output) 6
19. B7 (Data Input/Output) 7
20. A7 (Data Input/Output) 7

Functional Features

• Bidirectional voltage translation between different logic levels
• Automatic direction control based on the DIR pin
• Tri-state outputs for easy bus sharing
• Low power consumption, making it suitable for battery-powered devices
• High-speed operation for efficient data transfer
• ESD protection to safeguard against electrostatic discharge

Advantages and Disadvantages

Advantages

• Enables seamless communication between devices operating at different voltage levels
• Supports multiple logic families, enhancing compatibility
• Wide operating voltage range allows for versatile applications
• RoHS compliant, ensuring environmental friendliness

Disadvantages

• Limited number of channels (8), may not be suitable for applications requiring a higher channel count
• Relatively small package size may pose challenges during manual soldering or rework

Working Principles

The SN74LVC8T245PWE4 operates by receiving data from one side (A) and transmitting it to the other side (B), or vice versa, depending on the direction control signal provided through the DIR pin. The bidirectional voltage translation is achieved using a combination of level shifters and transistors, ensuring accurate and reliable data transfer.

Detailed Application Field Plans

The SN74LVC8T245PWE4 finds applications in various fields, including but not limited to:

1. Microcontroller interfacing
2. Communication systems
3. Industrial automation
4. Automotive electronics
5. Consumer electronics
6. Medical devices
7. Internet of Things (IoT) devices

Detailed and Complete Alternative Models

1. TXS0108EPWR: 8-Bit Bidirectional Voltage-Level Translator with Automatic Direction Control
2. PCA9306DCTR: Dual Bidirectional I2C Bus and SMBus Voltage-Level Translator
3. SN74AVC4T245PW: 4-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation