SN74HCT245PW

Product Overview

Category

The SN74HCT245PW belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a bidirectional octal bus transceiver, facilitating the exchange of data between different buses in electronic systems.

Characteristics

• High-speed operation
• Wide voltage range compatibility
• Low power consumption
• Schmitt-trigger inputs for noise immunity
• ESD protection for robustness

Package

The SN74HCT245PW is available in a standard 20-pin TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of SN74HCT245PW lies in its ability to provide seamless and efficient bidirectional communication between buses, ensuring smooth data transfer within electronic systems.

Packaging/Quantity

The SN74HCT245PW is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 10 ns (max)
• Output Current: ±6 mA

Detailed Pin Configuration

The SN74HCT245PW has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Output Enable Control
2. A1 - Data Input/Output
3. B1 - Data Input/Output
4. A2 - Data Input/Output
5. B2 - Data Input/Output
6. A3 - Data Input/Output
7. B3 - Data Input/Output
8. A4 - Data Input/Output
9. B4 - Data Input/Output
10. GND (Ground) - Ground Reference
11. B5 - Data Input/Output
12. A5 - Data Input/Output
13. B6 - Data Input/Output
14. A6 - Data Input/Output
15. B7 - Data Input/Output
16. A7 - Data Input/Output
17. B8 - Data Input/Output
18. A8 - Data Input/Output
19. VCC - Supply Voltage
20. DIR (Direction Control) - Direction Control

Functional Features

• Bidirectional data transfer between two buses
• Output enable control for tri-state operation
• Direction control for selecting the direction of data flow
• Schmitt-trigger inputs for noise immunity
• ESD protection for enhanced reliability

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer
• Wide voltage range compatibility enables use in various systems
• Low power consumption helps conserve energy
• Schmitt-trigger inputs provide noise immunity, ensuring reliable operation
• ESD protection enhances the IC's robustness

Disadvantages

• Limited number of bidirectional channels (8 channels)
• May require additional components for specific applications

Working Principles

The SN74HCT245PW operates by receiving data from one bus and transmitting it to another bidirectionally. The direction of data flow is controlled by the DIR pin. When the DIR pin is set to a specific logic level, the data is either transmitted from bus A to bus B or vice versa. The OE pin enables or disables the output, allowing for tri-state operation.

Detailed Application Field Plans

The SN74HCT245PW finds application in various fields, including: 1. Microcontroller interfacing 2. Data communication systems 3. Industrial automation 4. Automotive electronics 5. Consumer electronics

Detailed and Complete Alternative Models

1. SN74HCT245N: DIP (Dual In-line Package) version of SN74HCT245PW
2. 74HCT245: Similar functionality from other manufacturers, such as NXP, Texas Instruments, and ON Semiconductor

These alternative models provide similar bidirectional bus transceiver functionality and can be used as substitutes for the SN74HCT245PW.

In conclusion, the SN74HCT245PW is a versatile integrated circuit that enables efficient bidirectional data transfer between buses in electronic systems. Its high-speed operation, wide voltage range compatibility, and low power consumption make it suitable for various applications. However, it has a limited number of bidirectional channels and may require additional components for specific use cases.