Encyclopedia Entry: 74VCXH245WM

Product Overview

Category

The 74VCXH245WM 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
• Wide operating voltage range
• High-speed operation
• Low power consumption
• Compact package size

Package

The 74VCXH245WM is available in a small outline integrated circuit (SOIC) package, which ensures easy integration into various electronic systems.

Essence

The essence of the 74VCXH245WM lies in its ability to facilitate efficient data transfer between devices operating at different voltage levels, ensuring compatibility and reliable communication.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with each reel containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Logic Voltage Levels: 1.2V to 3.6V
• Maximum Data Rate: X Mbps
• Number of Channels: 8
• Input/Output Compatibility: CMOS/TTL

Detailed Pin Configuration

The 74VCXH245WM has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

1. Pin 1: Channel 1 Data I/O
2. Pin 2: Channel 1 Direction Control
3. Pin 3: Ground
4. Pin 4: Channel 2 Data I/O
5. Pin 5: Channel 2 Direction Control
6. Pin 6: Channel 3 Data I/O
7. Pin 7: Channel 3 Direction Control
8. Pin 8: VCC (Positive Power Supply)
9. Pin 9: Channel 4 Data I/O
10. Pin 10: Channel 4 Direction Control
11. Pin 11: Channel 5 Data I/O
12. Pin 12: Channel 5 Direction Control
13. Pin 13: Channel 6 Data I/O
14. Pin 14: Channel 6 Direction Control
15. Pin 15: Channel 7 Data I/O
16. Pin 16: Channel 7 Direction Control
17. Pin 17: Channel 8 Data I/O
18. Pin 18: Channel 8 Direction Control
19. Pin 19: Ground
20. Pin 20: VCC (Positive Power Supply)

Functional Features

• Bidirectional data transfer between different voltage domains
• Automatic direction control based on input signals
• High-speed operation for efficient data transmission
• Low power consumption for energy-efficient designs
• ESD protection for enhanced reliability

Advantages and Disadvantages

Advantages

• Enables seamless communication between devices with different voltage levels
• Supports high-speed data transfer
• Compact package size allows for easy integration into various systems
• Low power consumption helps in energy-efficient designs

Disadvantages

• Limited to a specific number of channels (8 in this case)
• May require additional circuitry for more complex voltage translation scenarios

Working Principles

The 74VCXH245WM operates based on the principles of level shifting and bidirectional data transfer. It utilizes internal circuitry to detect the logic levels of input signals and automatically adjusts the direction of data flow accordingly. This ensures that data is transferred accurately and efficiently between devices operating at different voltage levels.

Detailed Application Field Plans

The 74VCXH245WM finds applications in various digital systems where voltage translation is required. Some of the common application fields include:

1. Microcontroller interfacing with different peripheral devices
2. Communication interfaces between different logic families
3. Voltage level translation in mixed-signal systems
4. Data transfer between devices operating at different battery voltages

Detailed and Complete Alternative Models

• 74LVC245A: Similar bidirectional bus transceiver with a wider supply voltage range
• SN74LVCH245A: Another alternative with similar functionality and pin configuration
• MC74VHC245: High-speed CMOS bus transceiver with compatible pinout

These alternative models offer similar features and can be used as substitutes for the 74VCXH245WM based on specific design requirements.

Word count: 570 words