Encyclopedia Entry: 74VHCT245AMTC

Product Overview

Category

The 74VHCT245AMTC belongs to the category of integrated circuits (ICs) and specifically falls under the group of bus transceivers.

Use

This IC is primarily used for bidirectional level shifting and voltage translation between different logic families, making it suitable for various digital communication applications.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Bidirectional data transfer capability
• ESD protection on all inputs and outputs

Package

The 74VHCT245AMTC is available in a small outline integrated circuit (SOIC) package. This package offers compactness and ease of integration into electronic systems.

Essence

The essence of the 74VHCT245AMTC lies in its ability to facilitate seamless data transfer between devices operating at different voltage levels, ensuring compatibility and reliable communication.

Packaging/Quantity

The IC is typically supplied in reels or tubes, with each reel/tube containing a specific quantity of 74VHCT245AMTC units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: XX MHz
• Number of Channels: 8
• Logic Family Compatibility: CMOS/TTL

Detailed Pin Configuration

The 74VHCT245AMTC features a dual-inline package (DIP) with a total of 20 pins. The pin configuration is as follows:

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

Functional Features

• Bidirectional data transfer: Allows data to be transmitted in both directions, enabling communication between devices.
• Output enable control: The OE pin enables or disables the outputs, providing flexibility in controlling data flow.
• Direction control: The DIR pin determines the direction of data transmission, allowing for versatile operation.

Advantages and Disadvantages

Advantages

• High-speed operation ensures efficient data transfer.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range allows compatibility with various logic families.
• ESD protection safeguards against electrostatic discharge, enhancing reliability.

Disadvantages

• Limited number of channels (8) may not be sufficient for certain applications requiring a higher channel count.
• Lack of built-in voltage level shifting may require additional components for certain voltage translation scenarios.

Working Principles

The 74VHCT245AMTC operates based on the principles of voltage level shifting and bidirectional data transfer. It utilizes internal circuitry to convert logic signals between different voltage levels, enabling seamless communication between devices operating at varying voltages.

Detailed Application Field Plans

The 74VHCT245AMTC finds applications in various digital communication systems, including but not limited to: - Microcontroller interfacing - Data acquisition systems - Industrial automation - Networking equipment - Consumer electronics

Detailed and Complete Alternative Models

1. 74HC245: Similar to the 74VHCT245AMTC, this IC provides bidirectional voltage translation but operates at a higher voltage range.
2. SN74LVC245A: This IC offers similar functionality with lower power consumption and improved ESD protection.
3. CD74HCT245E: An alternative IC that supports bidirectional data transfer with compatibility for both CMOS and TTL logic families.

Note: The above alternative models are just a few examples, and there are several other options available in the market.

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