Encyclopedia Entry: 74ALVC245MTC

Product Overview

Category

The 74ALVC245MTC belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus transceivers.

Use

This IC is commonly 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 data transfer capability
• Wide operating voltage range
• High-speed operation
• Low power consumption
• ESD protection
• RoHS compliant

Package

The 74ALVC245MTC is available in a TSSOP (Thin Shrink Small Outline Package) package. This package offers a compact size, making it suitable for space-constrained applications.

Essence

The essence of the 74ALVC245MTC lies in its ability to facilitate reliable and efficient data transfer between devices operating at different voltage levels, ensuring compatibility and seamless communication.

Packaging/Quantity

The 74ALVC245MTC is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: GND to VCC
• Output Voltage Range: GND to VCC
• Maximum Operating Frequency: XX MHz
• Number of Channels: 8
• Logic Family: ALVC
• Logic Type: CMOS

Detailed Pin Configuration

The 74ALVC245MTC has a total of 20 pins, which are assigned specific functions as follows:

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

Functional Features

• Bidirectional data transfer: Allows data to be transmitted in both directions.
• Output enable control: Enables or disables the outputs, providing flexibility in controlling data flow.
• Direction control: Determines the direction of data transmission.
• Voltage level translation: Facilitates communication between devices operating at different voltage levels.

Advantages and Disadvantages

Advantages

• Efficient voltage level translation
• High-speed operation
• Low power consumption
• ESD protection for enhanced reliability
• Compact package size for space-constrained applications

Disadvantages

• Limited number of channels (8 in this case)
• May require additional components for specific applications

Working Principles

The 74ALVC245MTC operates based on CMOS technology, which allows for low power consumption and high-speed operation. It utilizes bidirectional buffers and level shifters to enable seamless data transfer between devices operating at different voltage levels. The direction control pin determines the direction of data flow, while the output enable pin enables or disables the outputs as needed.

Detailed Application Field Plans

The 74ALVC245MTC finds applications in various digital systems where voltage level translation is required. Some common application fields include:

1. Microcontroller interfacing: Facilitating communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Enabling data exchange between sensors and microcontrollers with varying voltage requirements.
3. Communication systems: Supporting voltage level translation in communication protocols such as UART, SPI, and I2C.
4. Industrial automation: Integrating devices with different logic levels in industrial control systems.

Detailed and Complete Alternative Models

1. SN74LVC245A: Similar bidirectional bus transceiver IC with 8 channels.
2. MC74LVX245: Another 8-channel bus transceiver IC with voltage level translation capabilities.
3. CD74HCT245: Octal bus transceiver IC with TTL logic levels and voltage translation functionality